text large_stringlengths 148 17k | id large_stringlengths 47 47 | score float64 2.69 5.31 | tokens int64 36 7.79k | format large_stringclasses 13
values | topic large_stringclasses 2
values | fr_ease float64 20 157 |
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Data reported by the weather station: 107630 (EDDN)
Latitude: 49.5 | Longitude: 11.08 | Altitude: 318
|Main||Year 1968 climate||Select a month|
To calculate annual averages, we analyzed data of 366 days (100% of year).
If in the average or annual total of some data is missing information of 10 or more days, this is not... | <urn:uuid:2ed29869-20aa-4d27-a744-c824a3b48e1b> | 2.8125 | 354 | Structured Data | Science & Tech. | 69.704762 |
Re-topology, or sometimes just retopology, is the process of adjusting the topology of an existing 3D model. Topology refers to mesh-based 3D models, and is the way the individual polygons are meshed together into a 3d grid, with each polygon sharing a dividing line with each of it?s neighbours, until the mesh encloses... | <urn:uuid:236148de-6181-482f-9d0f-b5fc706f88a3> | 2.96875 | 453 | Content Listing | Science & Tech. | 34.042636 |
Grass. Scientists have imitated natural photosynthesis and created a record-fast molecular catalyzer. (Credit: © Nejron Photo / Fotolia)
Artificial Photosynthesis Breakthrough: Fast Molecular Catalyzer -- Science Daily
ScienceDaily (Apr. 12, 2012) — Researchers from the Department of Chemistry at the Royal Institute of... | <urn:uuid:06198aa9-b3f7-43ec-bec2-b343f51124f4> | 3.03125 | 158 | Truncated | Science & Tech. | 28.452879 |
I recently blogged that you can now play Angry Birds in your web browser. This opens up all sorts of video analysis possibilities for physics lessons and assessment. Students can easily make their own videos or you can pre-record your own. Videos can be recorded using Jing, Screencast-O-Matic, or Camtasia Studio. Analy... | <urn:uuid:cbae3902-5532-4ea9-b7b7-919234ad0234> | 3.296875 | 422 | Personal Blog | Science & Tech. | 70.689083 |
NASA has moved into extra-solar planetary weather forecasting. Well, mapping, but one has to start somewhere. Researchers using the agency's Spitzer infrared space telescope have mapped the weather patterns of two extremely hot, distant planets. The May 9th edition of Nature carries a description of the winds on the su... | <urn:uuid:481c4c3d-0b46-48b3-b837-7a78f0423840> | 2.734375 | 384 | Comment Section | Science & Tech. | 62.984274 |
In 1985 Klaus von Klitzing won the Nobel Prize for discovery of the quantised Hall effect. The previous Nobel prize awarded in the area of semiconductor physics was to Bardeen, Shockley and Brattain for invention of the transistor. Everyone knows how important transistors are in all walks of life, but why is a quantise... | <urn:uuid:4d49f668-e836-42fe-946a-68e62fe1ff0a> | 3.5625 | 1,394 | Knowledge Article | Science & Tech. | 48.9762 |
Writes only the starting XML element to an XML document or stream.
This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.
|WriteStartObject(XmlDictionaryWriter, Object)||Writes the start of the object's data as an opening XML elem... | <urn:uuid:d700dfa3-4dde-4642-bdc1-08b5c9c0c2ec> | 3.140625 | 196 | Documentation | Software Dev. | 31.006046 |
2.3.3 A Penguin Foraging Simulation Game
Display materials for this Activity and tell students that they will be simulating the foraging behavior of penguins. Have them review the Adelie fact sheet, and discuss items which seem most of interest to your class, setting the foraging simulation in its real-world context. E... | <urn:uuid:49aab467-ec31-4b5f-954c-fbb23a424cb2> | 4.1875 | 629 | Tutorial | Science & Tech. | 44.535538 |
Mar 22, 2010
Guest Blog - Electricity used when pulling weight
We don't typically post items related to science fairs (I get a lot of them - they're always enjoyable but most aren't related to NXT but just use an NXT robot to facilitate something else), but I thought this was an interesting project worth sharing, espec... | <urn:uuid:5342e887-c066-476e-ab35-241727f892d9> | 3.25 | 441 | Personal Blog | Science & Tech. | 65.792164 |
It would seem that a beast covered in fur would be opposed to the planet staying warm but I have to tell you guys, our fur ain’t made of Gore-Tex and Thinsulate – so I’m pretty stoked that a report out of London indicates that, like the Medieval Warm Period, our current climate situation is likely to be preventing a mi... | <urn:uuid:19ab1842-449a-47dd-b9e7-40b539f8313a> | 3.203125 | 291 | Personal Blog | Science & Tech. | 26.087515 |
European astronomers have discovered a planet with about the mass of the Earth orbiting a star in the Alpha Centauri system — the nearest to Earth. It is also the lightest exoplanet ever discovered around a star like the Sun. The planet was detected using the HARPS instrument on the 3.6-metre telescope at ESO’s La Sill... | <urn:uuid:298a2fc1-af6f-4a36-9a41-284615b59f8b> | 3.703125 | 404 | Content Listing | Science & Tech. | 55.665917 |
Saturday 25 May
Honeycomb coral (Favites abdita)
What’s the World’s Favourite Species?Find out here.
Honeycomb coral fact file
- Find out more
- Print factsheet
Honeycomb coral description
Favites abdita is part of the Faviidae family, a common group of reef-building, ‘stony’ corals, characterised by a hard, calcareous... | <urn:uuid:422fa7e0-2562-4d35-8e0a-73305f8e7d82> | 3.859375 | 2,125 | Knowledge Article | Science & Tech. | 30.120427 |
What is a black hole?
It is not really a hole, but a region in space with extremely strong gravity, so strong that not even light can escape. It is called black, because it gives off no light. It is impossible to observe or detect a black hole directly. Nobody has ever done this. But most astronomers believe they exist... | <urn:uuid:54a21c68-ad48-4c50-bfe1-56869bc7acdd> | 3.796875 | 226 | Knowledge Article | Science & Tech. | 73.180036 |
|Bialowieza primeval forest, Poland
The Bialowieza Forest (150 000 ha) is the last remaining fragment of primary deciduous and mixed forest in the European lowlands. It is the place where giant trees, not found anywhere else in Europe, exist. Many species which disappeared from other regions or are endangered are still... | <urn:uuid:1c3fb4f3-73b9-4cdb-8171-0e0b4f5823c5> | 3.5625 | 557 | Knowledge Article | Science & Tech. | 24.116401 |
Solar timeSolar time is based on the idea that, when the sun reaches its highest point in the sky, it is noon. Apparent solar time is based on the apparent solar day, which is the interval between two successive returns of the sun to the local meridian. Solar time can be measured by a sundial.
The length of a solar day... | <urn:uuid:d988863f-31ba-466a-a988-82750186cf62> | 4.34375 | 250 | Knowledge Article | Science & Tech. | 61.171295 |
"Invasive Plants are non-indigenous species or strains that become established in natural communities and wild areas, replacing native vegetation" (Invasive Plant Association of Wisconsin Web Site).
Why Should We Care about Invasive Plants?
Students, researchers, and the public come to the Lakeshore Nature Preserve to ... | <urn:uuid:2484279f-b174-4ec4-966a-b93e84afb60a> | 3.734375 | 656 | Knowledge Article | Science & Tech. | 29.730937 |
Optical Projection Tomography (OPT)
Optical Projection Tomography (OPT) is an optical imaging tool that creates high resolution 3D images of samples that are over ten times larger than samples imaged with other optical microscopic techniques (1). OPT images also have excellent contrast between a fluorescent region of i... | <urn:uuid:ebb70018-f9d5-4b58-a58e-63702d693038> | 3.0625 | 523 | Knowledge Article | Science & Tech. | 38.59051 |
Code Listing 14: Query that demonstrates the LENGTH function
SQL> select first_name, LENGTH(first_name) length
2 from employee
3 order by length desc, first_name;
a query that uses the LENGTH function to
display the length of all FIRST_NAME values
from the EMPLOYEE table.
The online version of this article at bit.ly/
J... | <urn:uuid:8348f91f-5885-444b-96c5-03a146fbd09e> | 3.140625 | 1,047 | Tutorial | Software Dev. | 50.289344 |
Before we begin, you should understand the basic PostgreSQL system architecture. Understanding how the parts of PostgreSQL interact will make the next chapter somewhat clearer. In database jargon, PostgreSQL uses a simple "process per-user" client/server model. A PostgreSQL session consists of the following cooperating... | <urn:uuid:06489ac7-42d6-446a-ae22-14007cd3ac4a> | 3.09375 | 521 | Documentation | Software Dev. | 38.693788 |
A decomposition reaction is the opposite
of a synthesis reaction. In a decomposition reaction a reactant compound
is broken into two or more less complex substances. you are given a compound
as the reactant. In most cases, to find the product you split the compound
into the individual elements. The other types of decom... | <urn:uuid:fdcf8142-8dd9-466b-a482-89bc054593db> | 4.375 | 324 | Tutorial | Science & Tech. | 53.844643 |
Senior Thesis: Engineering a Greener Future
By Mike Cariello ‘10 & Dusty Rybovich ‘10
It is our responsibility as engineers to design a better world. Liquified Natural Gas (LNG)-carrying behemoths belch greenhouse gases across the planet, while consuming the world’s limited supply of prized and precious oil. Traditiona... | <urn:uuid:d47b2f09-bc63-4ac7-b9b1-4614a396a1c8> | 3.328125 | 354 | Academic Writing | Science & Tech. | 43.453 |
This pie chart shows the relative likelihood of observing particular other species commonly observed near Junco hyemalis
These species are those which most commonly occur in our observation database near Junco hyemalis. Observations favor some phyla over others. Typically Bacteria, Fungi, Protozoa, and Arthropods are m... | <urn:uuid:5d874685-44d2-4acd-bc47-d62e0e617ff7> | 3.328125 | 594 | Structured Data | Science & Tech. | 27.865716 |
Solar Cycles Cause Global Warming & Cooling June 5, 2011Posted by honestclimate in Discussions.
Tags: climate change, global warming, solar cycles
Solar Cycles Cause Global Warming & Cooling
By Nick Anthony Fiorenza
ICECAP, June 3, 2011
Planetary warming has also been observed on Mars, Jupiter, Pluto, and on Neptune’s ... | <urn:uuid:55649d15-692c-415a-98fb-d2904aea2886> | 2.9375 | 483 | Personal Blog | Science & Tech. | 38.828645 |
Yes, it's the secondary effects that require energy.
A ship launched vertically must not only get the kinetic energy of final velocity, it must also balance against the pull of gravity (i.e. energy required to hover) during vertical ascent. It must also overcome air resistance.
An aircraft launch, ie. taking off horizo... | <urn:uuid:cb8739e0-69bc-470f-8a3d-17c7e5e399da> | 2.796875 | 133 | Comment Section | Science & Tech. | 32.697821 |
[erlang-questions] Newbie question about line endings
Thu Dec 22 14:30:59 CET 2011
On Wed, Dec 21, 2011 at 8:21 PM, August Schwartzwald <
> I started to learn Erlang about a month ago. I really like it and think
> that with some more practice it will become a both unique and powerful tool
> in my growing box of program... | <urn:uuid:44b4da93-11bd-4bb7-a3e2-e7d6599d4e1f> | 2.765625 | 582 | Comment Section | Software Dev. | 56.130977 |
Well, did you read some books about progamming with C++ for Windows?
Did you try some simple sample applications like "Hello Worlds"?
Some others a little more complicated?
Note, that you cannot from the level "zero" jump to a level for programming serial port communications...
You really, really cannot pick this up as... | <urn:uuid:5231abde-62e3-4b69-813e-44f46b47e859> | 2.71875 | 645 | Comment Section | Software Dev. | 62.143739 |
NASA scientists captured some footage of Plasma Indirection, a plasma shift on the surface of the Sun that looks like huge tornadoes churning. Pretty amazing stuff.
As if it could not make up its mind . . . darker, cooler plasma slid and shifted back and forth above the Sun’s surface seen here for 30 hours (Feb. 7-8, 2... | <urn:uuid:859b72c9-5c36-4f90-b40b-9e16cde07631> | 2.75 | 171 | Personal Blog | Science & Tech. | 62.814615 |
cpphs is a liberalised re-implementation of cpp, the C pre-processor, in Haskell.
Why re-implement cpp? Rightly or wrongly, the C pre-processor is widely used in Haskell source code. It enables conditional compilation for different compilers, different versions of the same compiler, and different OS platforms.
It is al... | <urn:uuid:529d2ec8-9f62-4d26-930e-027e326b701f> | 2.828125 | 1,294 | Documentation | Software Dev. | 31.875616 |
Changing Ideas About The Origin Of Life
By Enrico Uva | August 6th 2012 02:00 AM
For life to begin, a combination of inorganic and organic substances need to evolve biochemistry. When 20th century scientists accepted and elaborated on J.B.S Haldane’s primordial soup hypothesis, their guesses and suggestive experiments ... | <urn:uuid:cba9b995-2e8f-4763-b024-81aace16e109> | 3.015625 | 2,026 | Personal Blog | Science & Tech. | 34.639729 |
If the Reynolds number is small enough (Re<<1), then two fluids can flow in parallel in direct contact, exchanging momentum and species only by diffusion. If the interface is
stable, then this system can be used as a filter. In this problem, the flow fields in both fluids are found.
2008 Carlos Martinez and Matthew Joh... | <urn:uuid:fbd18c75-6e77-4a88-926e-69a8f121a6c1> | 2.921875 | 122 | Academic Writing | Science & Tech. | 73.423286 |
Question: If the work required to stretch a spring 1 ft beyond its natural length is 9 ft-lb, how much work W is needed to stretch it 10 in. beyond its natural length?
So my teacher today gave us some physics equations and said to do this homework. Im a little stuck on this, usually they give us the force required to s... | <urn:uuid:04a804c3-a025-48b1-ad1e-93aa63f2ec07> | 2.71875 | 192 | Q&A Forum | Science & Tech. | 93.915541 |
The trivial ring, or zero ring, is the ring with a single element, which is both and . We usually denote the trivial ring as or , even though or would make as much sense. It is the only ring in which , by the proof
x = 1 x = 0 x = 0 .
The trivial ring is the terminal object in Ring. It is both terminal and initial (hen... | <urn:uuid:8bf3cc72-0d62-43cb-9094-dd700a025e2b> | 3.21875 | 153 | Knowledge Article | Science & Tech. | 64.258898 |
Four jewellers possessing respectively eight rubies, ten saphires,
a hundred pearls and five diamonds, presented, each from his own
stock, one apiece to the rest in token of regard; and they. . . .
A, B & C own a half, a third and a sixth of a coin collection.
Each grab some coins, return some, then share equally what ... | <urn:uuid:cecfc178-7e3d-44c4-97c5-0ea96f190d58> | 2.828125 | 1,998 | Content Listing | Science & Tech. | 75.944028 |
Series and parallel
|This is a series circuit, showing the location of an ammeter and voltmeter.
The current is the same at all points along the circuit
The sum of the voltage across the individual components is equal to that at the power supply.
|At the junctions, the current splits, but then rejoins at the final junc... | <urn:uuid:641d1f77-2f8f-4eaa-ae24-6786f88ef182> | 3.71875 | 144 | Knowledge Article | Science & Tech. | 45.533176 |
Exercise Template Haskell
In this exercise, we will have a closer look at Template Haskell. The hierarchical libraries
that are distributed with GHC include functions for writing Template Haskell code. Have a look
at the modules Language.Haskell.TH
You may want to consult the notes on Template Haskell
and Section 7.6
f... | <urn:uuid:7a7d3605-cf73-43fb-8116-8c8e8341ec29> | 2.78125 | 1,273 | Tutorial | Software Dev. | 53.184547 |
February 9, 2000
Java Programming, Lecture Notes # 302
by Richard G. Baldwin
This lesson is primarily concerned with the use of the java.awt.geom.Point2D class. It also illustrates the use of nested top-level classes in the Java 2D Graphics API. This is a concept that was explained in an earlier tutorial lesson. If you... | <urn:uuid:db027679-2a28-4a09-bf01-fb86ea8daeba> | 4.21875 | 2,134 | Truncated | Software Dev. | 46.206797 |
This is simple java programming tutorial . In this section you will learn how to calculate the sum of three numbers by using three static variables.
Description of this program:
In this section we will see how to calculate three integer number . First of all define class name "StaticSum". For this we have defined three... | <urn:uuid:397d6c3f-0bb4-4203-b5ef-0cd1b457eb19> | 4.3125 | 225 | Tutorial | Software Dev. | 59.506731 |
The script can be reduced in code for general usage and without comments it is only a few lines.
The advantages of using a script:
- The output format can be customized.
- It can be written to output the statistic either to a message box, a new file, to output window, or even into the file itself.
- The statistic outpu... | <urn:uuid:53ffa54e-32aa-4afe-aacc-10f55492a3f7> | 2.8125 | 187 | Comment Section | Software Dev. | 42.351529 |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2000 March 8
Explanation: As the robot spacecraft NEAR lowers itself toward asteroid 433 Eros, more surface details are becoming visible. Last week'... | <urn:uuid:853c31be-8914-4b9e-ac6e-b0bd88dc5861> | 3.109375 | 226 | Knowledge Article | Science & Tech. | 48.566456 |
The Fine Art of Waddling
Natural History, March 2001
When Tim Griffin and Rodger Kram set out to study how penguins walk, they didn’t expect to be impressed. Compared with long-legged ostriches striding across a plain, waddling penguins come up short. Underwater they may be able to race like torpedoes in tuxedos, but o... | <urn:uuid:f7b03d25-d0e8-4e42-aac6-3ea3b96c51ba> | 3.671875 | 955 | Knowledge Article | Science & Tech. | 49.515705 |
James Cameron’s descent to the Challenger Deep – we have adventure, intrigue, and a great story for the media. But we also have an amazing opportunity for SCIENCE!
Despite a faulty hydraulics hampering sample collections, the Deepsea Challenger managed to grab half a sediment core – a cupful of muddy, watery ooze from ... | <urn:uuid:c27ab378-b23c-42df-9c5a-4aedecc4a586> | 3.546875 | 1,872 | Personal Blog | Science & Tech. | 36.186005 |
Broaden your selection:
- 4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% o... | <urn:uuid:b1556d22-776f-404a-9eaf-b9ca17840615> | 2.734375 | 1,241 | Content Listing | Software Dev. | 39.178174 |
The World Climate Research Programme (WCRP) International Programme for Antarctic Buoys (IPAB), through participating research organizations in various countries, maintains a network of drifting buoys in the Antarctic sea ice zone to support a better understanding of sea ice motion, meteorology, and oceanography. The I... | <urn:uuid:ad2024c4-3391-4c5f-925e-b747b0e7e4ba> | 2.96875 | 185 | Content Listing | Science & Tech. | 23.036667 |
Asteroids provide unique insights into the origin and early history of the solar system. Since asteroids are considered to be fairly pristine, studying them provides opportunities to learn more about the primordial solar system, its materials, processes and history. Since the discovery in 1801 of the first asteroid, Ce... | <urn:uuid:005e2ddf-7192-4800-8e1e-eb44684810f9> | 3.90625 | 663 | Academic Writing | Science & Tech. | 28.387542 |
Ever wonder what it's like on other planets? On this Moment of Science, find out what it's like on Mercury.
Do other animals besides humans cry? Find out on this Moment of Science.
What do 6 month olds do better than 9 month olds? Find out on this Moment of Science.
Recent studies suggest a correlation between progeste... | <urn:uuid:d075681d-fdc7-4d9f-9c7c-1e15dabd4c43> | 2.9375 | 187 | Content Listing | Science & Tech. | 57.529423 |
Inheritance diagram for IPython.history:
History related magics and functionality
Alternate name for %history.
Print input history (_i<n> variables), with most recent last.
%history -> print at most 40 inputs (some may be multi-line)%history n -> print at most n inputs%history n1 n2 -> print inputs between n1 and n2 (n... | <urn:uuid:e0e5584a-601c-4151-adac-02b20a241bc8> | 3.28125 | 607 | Documentation | Software Dev. | 61.576071 |
The Theory of Relativity is quite possibly the greatest modern scientific discovery of all time and yet I would venture to guess that most of us have no concept of it or at the very least fail to see how everyday life is absorbed in the major concepts of the theory. We all know it:
But what does that equation really sa... | <urn:uuid:edc2b192-c1b9-4948-8df8-0fb735bc11e5> | 3.015625 | 2,153 | Personal Blog | Science & Tech. | 54.001435 |
Five months ago or so, Honeywell organized a series of lectures by the Nobel laureate Sheldon Glashow at the Czech Technical University (ČVUT) in Prague.
The lecture you can watch now asked the question whether science evolves by chance or by design.
It's a sort of a fun, light, philosophically and historically loaded ... | <urn:uuid:a311115f-012d-4f7f-a951-b597bfb31851> | 2.9375 | 410 | Personal Blog | Science & Tech. | 47.052871 |
Expression.Power Method (Expression, Expression, MethodInfo)
Creates a BinaryExpression that represents raising a number to a power.
Assembly: System.Core (in System.Core.dll)
public static BinaryExpression Power( Expression left, Expression right, MethodInfo method )
left or right is null.
method is not null and the m... | <urn:uuid:86e56b94-27ab-47e0-a54e-943364d476f9> | 2.9375 | 475 | Documentation | Software Dev. | 41.277691 |
Jan 19, 2001, 2:38 PM
Post #1 of 1
(From the Perl FAQ)
How do I find the week-of-the-year/day-of-the-year
How do I find the week-of-the-year/day-of-the-year?
The day of the year is in the array returned by localtime() (see localtime):
or more legibly (in 5.004 or higher):
$day_of_year = (localtime(time()));
You can fin... | <urn:uuid:af9f3503-6cea-48e0-8658-c9f6bc9a8961> | 2.9375 | 265 | Comment Section | Software Dev. | 60.978311 |
What is the height of the electron orbits an atom? (How far are the energy levels of the electron relative to the center of the atomic nucleus?)
How fast do electrons move in their orbits?
Sign up using Google
Sign up using Facebook
Sign up using Stack Exchange
By posting your answer, you agree to the
terms of service.... | <urn:uuid:5536d8e1-37ac-451a-8f68-3b5d9fa0db2d> | 2.765625 | 75 | Q&A Forum | Science & Tech. | 60.108952 |
Major Section: PROGRAMMING
(String>= str1 str2) is non-
nil if and only if the string
str2 precedes the string
str1 lexicographically or the strings
are equal. When non-
(string>= str1 str2) is the first
position (zero-based) at which the strings differ, if they differ,
and otherwise is their common length. See string>... | <urn:uuid:f21634d9-a686-41dd-996c-a1120e1fab7e> | 2.921875 | 127 | Documentation | Software Dev. | 69.65592 |
I'll not make modifications to the text except for differences between C and Python.
You can find the first part of this article here: Writing a Widget Using Cairo and PyGTK 2.8
Making the clock run is as simple as starting a timer that calls a callback. However, we might also want to be able to set a different time on... | <urn:uuid:991c61ab-a7c8-4839-b688-fd580365f019> | 2.859375 | 2,503 | Documentation | Software Dev. | 64.84767 |
Parthenogenesis in New Zealand Stick Insects
[Read before the 8th N.Z. Science Congress, in Auckland, May 20, 1954; reccived by the Editor, May 24, 1954.]
The phenomenon of parthenogenesis is known to occur in many species of phasmids, but it has not hitherto been recorded among the phasmids of New Zealand. Most specie... | <urn:uuid:18c1a278-17d8-4b3c-b590-ba12f1601f0b> | 2.921875 | 2,542 | Academic Writing | Science & Tech. | 31.636829 |
Thunderstorms occur frequently during the months of June to November. This is because this is the period referred to as the Hurricane Season, where major flooding and disasters occur to homes, businesses, buildings, infrastructure and livestock.
A thunderstorm is defined by the Merriam Webster Dictionary as “a storm ac... | <urn:uuid:646a6177-e489-47b6-8c19-a073051af62c> | 4.09375 | 388 | Knowledge Article | Science & Tech. | 48.020226 |
Let’s go back and consider a linear map . Remember that we defined its rank to be the dimension of its image. Let’s consider this a little more closely.
Any vector in the image of can be written as for some vector . If we pick a basis of , then we can write . Thus the vectors span the image of . And thus they contain a... | <urn:uuid:a1848edc-3360-42a4-b7b5-4eeaece7ad9d> | 3.53125 | 271 | Personal Blog | Science & Tech. | 58.287841 |
Lichens in Australia
The first published report of an Australian lichen appeared in 1806 and since then numerous species have been reported for Australia. Currently over 3000 species are said to occur in Australia and a little over a third are not known elsewhere. Amongst those 3000 plus there are still undoubtedly som... | <urn:uuid:e61a6bb8-832b-481b-8575-316402770cee> | 3.515625 | 1,955 | Knowledge Article | Science & Tech. | 27.81345 |
Magny et al. utilizing advanced scientific techniques, reconstructed 1,000 years of past summer (July) temperatures for the Swiss Jura Mountains region. Unequivocally, they found that July temperatures during the Medieval Period were significantly warmer than modern summer temps.
"Working at Lake Joux in the Swiss Jura... | <urn:uuid:bbce9d43-37d2-4487-9315-9f58b9d709c0> | 3.453125 | 250 | Truncated | Science & Tech. | 62.636842 |
in another class i used:
CoffeeCup original = new CoffeeCup();
original.add(75); // Original now contains 75 ml of coffee
CoffeeCup copy = (CoffeeCup) original.clone();
Now i got exact copy of CoffeeCup.
my question is: how the application is creating an subclass object(CoffeeCup) when I call super.clone().
As per my u... | <urn:uuid:0dada657-197b-47c7-9020-2e8653ef6c14> | 3.484375 | 272 | Q&A Forum | Software Dev. | 60.264375 |
September 23 marked first day of autumn north of the Equator and the first day of spring to the south.
Day and night were approximately of equal length worldwide at that time, and will be again next March 20.
The animation of Earth’s seasons to the right takes us, one day at a time, from September 19, 2010 to September... | <urn:uuid:0d6036f1-ae48-44dd-bea0-e411f4f607c7> | 3.8125 | 351 | Knowledge Article | Science & Tech. | 62.802878 |
Helping Streams Help Themselves, Naturally
The sights and sounds of a stream running through your backyard or your favorite neighborhood park can be a soothing antidote to the busy pace of modern life. But when U.S. Environmental Protection Agency scientists Paul Mayer and Elise Striz look at a creek bed, they notice s... | <urn:uuid:216863e1-5d0e-48c7-b592-9334ce3ad29e> | 3.734375 | 818 | Knowledge Article | Science & Tech. | 38.667686 |
The Basic Linear Algebra Subprograms (blas) define a set of fundamental operations on vectors and matrices which can be used to create optimized higher-level linear algebra functionality.
The library provides a low-level layer which corresponds directly to the C-language blas standard, referred to here as “cblas”, and ... | <urn:uuid:e363db3a-776d-4a6f-9d52-27799dc33e1f> | 2.84375 | 583 | Documentation | Software Dev. | 37.18211 |
The Global Climate at a Glance (GCAG) web application can be used to retrieve monthly and annual global temperature anomaly maps that date back to 1880. Users can also create timeseries for locations around the globe by selecting a point on the map. The interactive interface allows users to adjust the vertical and hori... | <urn:uuid:8a4ea970-b54c-4f1a-86d1-7849cda21dd1> | 3.125 | 243 | Knowledge Article | Science & Tech. | 24.251802 |
Update: On 16 October, NASA released an image of a faint ejecta plume observed by the LCROSS shepherding spacecraft. See Elusive lunar plume caught on camera after all
In the final minutes of its plunge toward the moon, NASA's LCROSS spacecraft spotted the brief infrared flash of a rocket booster hitting the lunar surf... | <urn:uuid:3d55acfc-9c00-4b24-af9a-7713e180542f> | 3.546875 | 2,307 | Comment Section | Science & Tech. | 62.924365 |
Huntington is the science director for Pew's Arctic Program.
For the oil and gas industry, the Arctic Ocean is the final frontier. Beneath the ocean floor lies an estimated 90 billion barrels of recoverable oil - about 13 per cent of the global total. As the sea ice retreats and traditional sources of hydrocarbons dwin... | <urn:uuid:8a5094ac-8385-4274-8624-963dc433cfa1> | 3.53125 | 218 | Truncated | Science & Tech. | 50.771927 |
It might be a completely new species--a very tricky new species.
Learning skills that will be invaluable in later foxhood
In the future, the great Pixel Wolves Of The Sky will look down below on the mutated fish. The wolves will be hungry but also weirded out.
Cliff the beagle can sniff out a dangerous bacterium just b... | <urn:uuid:c9089bd5-0d7f-494b-8f49-de75bd415051> | 2.6875 | 506 | Content Listing | Science & Tech. | 51.831468 |
Anyone who has ever seen a streaky line of vapor, known as a contrail, behind a high-flying aircraft knows that airplanes can produce their own clouds. But in rarer cases, aircraft can also punch round holes, such as the one over Antarctica pictured here, or carve long channels through existing, natural clouds. Those f... | <urn:uuid:f059d02f-96af-45bf-b069-b425bc15721c> | 3.859375 | 147 | Knowledge Article | Science & Tech. | 34.675756 |
Workbook for BaBar Offline Users - Writing Code
Using an Object Oriented design approach to make proper use of C++.
Object Oriented programming offers a powerful model for writing
computer software. Objects are "black boxes" which send and receive
messages. This approach speeds the development of new programs, and,
if ... | <urn:uuid:7219644c-1d7e-486c-9561-60d1fb985e48> | 3.296875 | 1,508 | Tutorial | Software Dev. | 59.950687 |
|Oracle® OLAP DML Reference
10g Release 1 (10.1)
Part Number B10339-02
The RTRIM function removes characters from the right of a text expression, with all the rightmost characters that appear in another text expression removed. The function begins scanning the base text expression from its last character and removes al... | <urn:uuid:cd520809-c4ad-45d4-9fa2-72200ab700b1> | 3.40625 | 191 | Documentation | Software Dev. | 66.864123 |
I'm Dave Thurlow for the Mount Washington Observatory and this is The Weather Notebook. Around the beginning of this century, there were few scientists who had much of an idea about how rain, hail, sleet, and snow form. It was, and still is, easy to get the general process of water vapor turning to liquid water or ice,... | <urn:uuid:c68ca766-d280-4f15-9e5e-e03d41a035f6> | 3.3125 | 347 | Audio Transcript | Science & Tech. | 50.238824 |
This chart is a comprehensive view of global, anthropogenic greenhouse gas (GHG) emissions. The chart is an updated version of the original chart, which appeared in Navigating the Numbers: Greenhouse Gas Data and International Climate Policy.
One of the greatest challenges relating to global warming is that greenhouse ... | <urn:uuid:950ac813-d5e0-46c8-a195-4f8acf42bc02> | 3.53125 | 364 | Knowledge Article | Science & Tech. | 40.826894 |
This pie chart shows the relative likelihood of observing particular other species commonly observed near Allophylus edulis
These species are those which most commonly occur in our observation database near Allophylus edulis. Observations favor some phyla over others. Typically Bacteria, Fungi, Protozoa, and Arthropods... | <urn:uuid:b7d5eee8-3ff2-43e3-b9ea-e55a5250661d> | 3.140625 | 240 | Structured Data | Science & Tech. | 21.488161 |
States are the basic units of the state machines. In UML 2.0 states can have substates.
Execution of the diagram begins with the Initial node and finishes with Final or Terminate node or nodes. Please refer to UML 2.0 Specification for more information about these elements.
State Machine diagrams describe the logic beh... | <urn:uuid:ea692ff2-4976-4580-b298-dbf1d0cd0664> | 3.046875 | 162 | Documentation | Software Dev. | 60.666143 |
New in version 2.1.
The inspect module provides several useful functions to help get information about live objects such as modules, classes, methods, functions, tracebacks, frame objects, and code objects. For example, it can help you examine the contents of a class, retrieve the source code of a method, extract and f... | <urn:uuid:1243e50d-ecd7-4ea6-b13f-efb27d1010a4> | 2.734375 | 2,249 | Documentation | Software Dev. | 41.128717 |
A lightning storm started this cluster of wildfires in the Cascade Mountains of Oregon on August 24, 2011. Burning through forest, grass, and brush, the fires had covered 90,436 acres as of September 1. They are 25 percent contained.
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acq... | <urn:uuid:f1a7838b-bc2f-4c4b-8683-60e5ebe8cfb3> | 3.171875 | 319 | Knowledge Article | Science & Tech. | 56.705348 |
Two Types of Photovoltaic Solar Cells
Photovoltaics, which directly convert sunlight into electricity, include both traditional, polysilicon-based solar cell technologies and new thin-film technologies. Thin-film manufacturing involves depositing extremely thin layers of photosensitive materials on glass, metal, or pla... | <urn:uuid:d1dbd0cf-3b53-4aaf-ac59-a0fd0e5e3b4f> | 3.46875 | 715 | Knowledge Article | Science & Tech. | 38.196721 |
The right hand side of the above line dynamically allocates a single integer on the heap returns a pointer of type int*. The left hand side of the above line implicitly copy constructs a pointer on the stack using the pointer returned from the new expression. It is the equivalent of writing:
int *myPtr(new int);
The re... | <urn:uuid:91c813a8-5ade-4a3c-93a7-7f630c62b67a> | 2.921875 | 665 | Comment Section | Software Dev. | 58.503189 |
One of the most basic questions in mathematics is finding solutions to equations. In this post I want to make a short overview of the ways to solve some of the common forms of equations, and I also want to discus the history of how this solutions were found. This is only the first post about this subject, so it is most... | <urn:uuid:56fb8810-c673-46a7-95ce-8944ae2686d6> | 3.328125 | 1,248 | Personal Blog | Science & Tech. | 58.763916 |
Installs your own termination routine to be called by terminate.
The set_terminate function installs termFunction as the function called by terminate. set_terminate is used with C++ exception handling and may be called at any point in your program before the exception is thrown. terminate calls abort by default. You ca... | <urn:uuid:484bc00f-85f1-4321-aed6-32ff47102ee4> | 3.21875 | 374 | Documentation | Software Dev. | 39.437421 |
Design your own scoring system and play Trumps with these Olympic Sport cards.
There is a long tradition of creating mazes throughout history and across the world. This article gives details of mazes you can visit and those that you can tackle on paper.
This activity challenges you to decide on the 'best' number to use... | <urn:uuid:6609c9c8-0830-44df-827f-97cb81e123c4> | 3.34375 | 490 | Content Listing | Science & Tech. | 60.717795 |
The Solar Polar Orbiter (SPO) Technology Reference Study (TRS) examines the feasibility of a mission to obtain true solar polar orbit at an altitude of less than 0.5 AU to perform remote sensing of the Sun and in situ measurements of the surrounding environment.
The Solar Polar Orbiter
The Solar Polar Orbiter has the f... | <urn:uuid:310c42cb-21fa-4e88-a253-713ce71f63a9> | 3.28125 | 467 | Knowledge Article | Science & Tech. | 41.244828 |
Amongst all the excitement over the first results from Herschel, it’s easy to forget about its comparatively tiny American cousin Spitzer. Launched in 2003 with its 3 instruments IRAC, IRS and MIPS, Spitzer covers the infrared wavelengths from around 3 to 150 microns – a region that from Earth is either totally inacces... | <urn:uuid:23f28de9-ac0f-4d53-b670-96ba643bc7ab> | 3.25 | 1,575 | Personal Blog | Science & Tech. | 51.490963 |
Phylogeny of the Invertebrates
The tree below was redrawn from the information and cladograms of the Phylogeny Wing of the University of California Museum of Paleontology. The animal phyla represented have been selected for familiarity and to provide context for phyla often exhibited in aquaria and that might be seen a... | <urn:uuid:0f15a9b0-1a04-4b08-9255-f9f7b26d89ac> | 2.890625 | 1,166 | Structured Data | Science & Tech. | 28.209193 |
The redshift (Z) and Early Universe Spectrometer (ZEUS) is a direct detection, submillimeter echelle grating spectrometer designed to study star formation in the Universe from about 2 billion years after the Big Bang to the present through spectroscopy of distant star forming galaxies. The sensitivity of ZEUS enables s... | <urn:uuid:a58549cc-9565-4bbb-a305-a5b4cf240eae> | 2.6875 | 2,954 | Knowledge Article | Science & Tech. | 51.9464 |
|Galaxies, Stars, and Dust|
Spiky stars and spooky shapes abound in
deep cosmic skyscape.
Its well-composed field of view covers
about 2 Full Moons on the
sky toward the constellation Pegasus.
Of course the brighter stars show diffraction spikes, the commonly
seen effect of internal
in reflecting telescopes, and lie
we... | <urn:uuid:553c8415-342d-4a60-930a-2156b4472a48> | 3.140625 | 237 | Content Listing | Science & Tech. | 46.169053 |
Air-conditioned ants: The secret behind their vast underground cities... ventilation
They are known for their industrious nature. But the humble ant's sophisticated home-making skills has left some of the brightest scientific minds in awe of the tiny creatures.
Researchers have discovered the vast underground colonies ... | <urn:uuid:0c1694c8-6d04-4dae-bc56-f75f8f08481d> | 2.71875 | 484 | Truncated | Science & Tech. | 50.846248 |
Andromeda Galaxy, cataloged as M31 and NGC 224, the closest large galaxy to the Milky Way and the only one visible to the naked eye in the Northern Hemisphere. It is also known as the Great Nebula in Andromeda. It is 2.2 million light-years away and is part of the Local Group of several galaxies that includes the Milky... | <urn:uuid:8a5c0509-b46a-4cad-a8c5-3f71fe47017a> | 3.609375 | 203 | Knowledge Article | Science & Tech. | 49.286571 |
New Mexico's Gila National Forest is a good natural laboratory for studying the effects of wildfire.
by Neil LaRubbio,
Nov 14, 2012
Controversial new studies question the conventional wisdom on Western ponderosa forests and the severity of their historic wildfires.
by Emily Guerin,
Sep 26, 2012
The backstory to Emily G... | <urn:uuid:aedd7621-9cad-4728-a9b6-827020b11f21> | 2.71875 | 409 | Content Listing | Science & Tech. | 31.0575 |
1. What is ASP.NET AJAX?
ASP.NET AJAX, mostly called AJAX, is a set of extensions of ASP.NET. It is developed by Microsoft to implement AJAX functionalities in Web applications. ASP.NET AJAX provides a set of components that enable the developers to develop applications that can update only a specified portion of data ... | <urn:uuid:e5aa2be3-f5c5-43c6-87a4-a92df97818de> | 2.953125 | 279 | Q&A Forum | Software Dev. | 48.747624 |
The Gather Procedure takes an input vector that is distributed across all the processors and gathers it into another distributed vector or array according to an indirect index vector or array. No collisions are possible, since this call is effectively pulling values out of a distributed variable, and there is a differe... | <urn:uuid:34b94f2c-3aee-4c6c-8ddf-632c954bbfdb> | 3.09375 | 283 | Documentation | Software Dev. | 34.478718 |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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hypotenuse is 20 inches one of the legs are 16 inches what is the measure of the other leg. i got 12 but i dont think its right
is there anyone ... | <urn:uuid:54a5acf3-13c3-4238-a873-d55ffaea6881> | 3.015625 | 252 | Comment Section | Science & Tech. | 76.086938 |
I was thinking about the 90° angle between the x, y, and z-axis.
It is all so perfect. So I said you need two independent real
numbers (cooridinates) to describe a point in a plane. Then I
thought about putting the x and y axis at a 10° angle instead of
90°, and noticed you could still get to all the points on the plan... | <urn:uuid:d15ae821-475c-4685-ae49-06475635037e> | 3.046875 | 451 | Comment Section | Science & Tech. | 75.749203 |
Introns in promoterhow is it possible?
Posted 15 May 2012 - 09:38 PM
Posted 09 June 2012 - 08:21 AM
Posted 09 August 2012 - 01:53 AM
Eukaryotes promoters are quite complex and some binding sites for proteins that activate the transcription may actually be downstream of the mRNA start position, or it may be that the pre... | <urn:uuid:36db8c5a-6e12-44c5-98fa-990808870102> | 2.78125 | 174 | Q&A Forum | Science & Tech. | 42.440511 |
Feb. 23, 2010 Regulatory proteins common to all eukaryotic cells can have additional, unique functions in embryonic stem (ES) cells, according to a study in the February 22 issue of the Journal of Cell Biology. If cancer progenitor cells -- which function similarly to stem cells -- are shown to rely on these regulatory... | <urn:uuid:69378649-eec1-4c2d-baff-7f0e547e8514> | 2.703125 | 437 | Truncated | Science & Tech. | 42.799632 |
Web edition: August 27, 2012
Though ancient Egyptians are famous for their mummies, Americans — South Americans — practiced the preservation method first. In a desert coastal region of what is now northern Chile and southern Peru, the Chinchorro people began mummifying their dead about 7,000 years ago. Now scientists h... | <urn:uuid:9c4a68b9-8d79-4ead-b464-5115745c1929> | 3.21875 | 115 | Truncated | Science & Tech. | 56.69622 |
Discovered: A camera that can see around corners, why we don't eat smelly foods, the super-Earth is not so super, noise pollution is also bad for plants and abnormal brain development might determine personality.
- This camera takes pictures of things it never saw. Remember that camera that could capture the speed of l... | <urn:uuid:fc1ab892-d078-42ea-a18f-51e101ad2a45> | 2.875 | 699 | Listicle | Science & Tech. | 50.459687 |
2010 is the International Year of Biodiversity. Why should you care?
Biodiversity is the number of different species that exist in a given area. The healthier an area is, the more biodiversity it has. Different forms of wildlife and plants inhabit areas, and these plants and animals learn to coexist and form ecological... | <urn:uuid:5a91c161-3285-41c8-8469-edeb3b85a206> | 3.4375 | 325 | Listicle | Science & Tech. | 44.127564 |
Tag Archives: biology
New USGS research shows that rice could become adapted to climate change and some catastrophic events by colonizing its seeds or plants with the spores of tiny naturally occurring fungi. The DNA of the rice plant itself is not changed; instead, researchers are re-creating what normally happens in ... | <urn:uuid:7b99ffe4-a450-4492-84cc-d927dcfb00b0> | 3 | 416 | Content Listing | Science & Tech. | 24.563085 |
I am all for creative thinking, but this may be the oddest concept I've yet seen to treat one of the symptoms of global warming.
Going far beyond just tracking melting patterns, German researchers want to actually stop, or at least slow down the melting of glaciers in the Swiss Alps, and they plan to do so by setting u... | <urn:uuid:8653e540-3c42-48ea-8ce9-167f33b5dd79> | 2.828125 | 222 | Comment Section | Science & Tech. | 67.14249 |
Science Fair Project Encyclopedia
Alforsite is a mineral, Ba5Cl(PO4)3, composed of barium, phosphorus, chlorine, and oxygen. It was discovered in 1981, and named to honor geologist John T. Alfors of the California Division of Mines and Geology for his work in the area where it was discovered.
Alforsite is a hexagonal c... | <urn:uuid:87625e32-2f02-4652-9a3a-dec87e67ccf6> | 3.71875 | 162 | Knowledge Article | Science & Tech. | 37.907295 |