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
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The StreamReader class is a subclass of Codec and defines the following methods which every stream reader must define in order to be compatible with the Python codec registry.
All stream readers must provide this constructor interface. They are free to add additional keyword arguments, but only the ones defined here ar... | <urn:uuid:62b4d00e-eb80-465e-bbe2-72619ecdf69e> | 2.859375 | 608 | Documentation | Software Dev. | 44.868324 |
The module pdb defines an interactive source code debugger for Python programs. It supports setting (conditional) breakpoints and single stepping at the source line level, inspection of stack frames, source code listing, and evaluation of arbitrary Python code in the context of any stack frame. It also supports post-mo... | <urn:uuid:a63c50f5-4c11-4e36-a721-82a0229f4a22> | 3.453125 | 1,825 | Documentation | Software Dev. | 57.084643 |
i am having trouble understanding how java's input output system works, as the sun's tutorial is helpful with swing stuff its is extramly vague with I/O.
and yes i have many books on java yet all fail to describe java's I/O effectively for the noob :P
has any one a clue on a any good books or resoures's on the internt ... | <urn:uuid:582c8b3e-37d7-400a-b700-3d25ca8d7d30> | 3.125 | 1,000 | Comment Section | Software Dev. | 66.012022 |
Vanilla is a product of Lussumo:Documentation and Support.
1 to 14 of 14
A Swiss marine biologist and an Australian quantum physicist have found that a species of shrimp from the Great Barrier Reef, Australia, can see a world invisible to all other animals.Dr Sonja Kleinlogel and Professor Andrew White have shown that ... | <urn:uuid:fd7886f8-4b1b-4b4f-a141-1c140a215df4> | 2.796875 | 247 | Comment Section | Science & Tech. | 43.138 |
Parallel programming isn’t always just a simple matter of writing loops that run at the same time. While that might work for certain individual algorithms, bigger software systems are certainly more complex and require a type of parallel programming that goes beyond simple loops and spawning C++ threads.
Instead, most ... | <urn:uuid:bcf9cadf-1770-495a-903c-f1c23d2e1209> | 3.703125 | 831 | Documentation | Software Dev. | 53.698994 |
This is not how you actually hold a corer – I was too busy posing to keep my hands in the proper position! You’re supposed to have one facing up, one facing down.
My hydrology class went out coring trees to study dendrochronology! Dendrochronology is the study of trees through time . To take a core sample, you gently s... | <urn:uuid:ba50dd69-570b-4b33-8c01-a2ef5dfa9c55> | 3.5625 | 507 | Personal Blog | Science & Tech. | 55.929889 |
INDEX FOR THIS PAGE
Nomenclature of Alkyl Halides
Nature of the C-X Bond
Halogenation of Alkanes
Mechanism of Halogenation
Energetics of Halogenation
Regioselectivity of Bromination
Regioselectivity of Chlorination Compared to Bromination
Resonance Stabilization of the Allyl Radical
NOMENCLATURE OF ALKYL HALIDES
- Esse... | <urn:uuid:79eb465c-0df0-49fd-85d2-e2f70abaf9cf> | 2.890625 | 4,022 | Tutorial | Science & Tech. | 27.69974 |
Citizen science occurs when data for scientific research is collected by members of the public in a voluntary capacity. Public participation in environmental projects, in particular, has been described as a global phenomenon.But there is a stigma associated with these types of projects. The data collected are often lab... | <urn:uuid:87b4d662-aabf-4bad-b138-399473a36b72> | 3.109375 | 526 | Content Listing | Science & Tech. | 37.289823 |
Whales communicate using melodic sounds or "songs" that can travel more than 100 meters. Oceangoing ships produce noise, mainly from their propellers, that interfere with the ability of whales to communicate. Other types of ships create additional layers of noise. Oil-exploration ships, for example, use reflection seis... | <urn:uuid:fb6a4741-cec0-434d-8c93-48fcb6b3fd22> | 3.546875 | 108 | Truncated | Science & Tech. | 31.636444 |
Then supposing that the earth does weigh relatively the same, how does it effect the rotation of the earth, orbit of the earth when we do remove weight from our sphere by sending things into space?
Also, the rotation of the Earth has been slowing throughout its history. The first days were only 6.5 hours!
"The Geophysi... | <urn:uuid:9fbb58a7-07aa-4102-b3ef-b2aee710d81f> | 3.53125 | 446 | Comment Section | Science & Tech. | 66.803423 |
Computing (FOLDOC) dictionary
Jump to user comments
The standard function in the C
language library for printing formatted output.
The first argument is a format string which may contain
ordinary characters which are just printed and "conversion
specifications" - sequences beginning with '%' such as %6d
which describe ... | <urn:uuid:67b941f0-7a8a-4a01-9959-c9292e338b9f> | 3.984375 | 207 | Documentation | Software Dev. | 62.862783 |
Richard Gerber has worked on numerous multimedia projects, 3D libraries, and computer games for Intel. Andrew Binstock is the principal analyst at Pacific Data Works and author of "Practical Algorithms for Programmers". They are the authors of Programming with Hyper-Threading Technology.
Parallel programming makes use ... | <urn:uuid:8b7bc43b-6426-4a0e-ab3c-be45d4a71560> | 3.84375 | 1,354 | Knowledge Article | Software Dev. | 34.606902 |
Actinopterygii (ray-finned fishes) > Beloniformes
(Needle fishes) > Exocoetidae
Etymology: Parexocoetus: Greek, para in the side of + Greek, exos = outside + Greek, koite = hole (Ref. 45335).
Environment / Climate / Range
Marine; pelagic-neritic; oceanodromous (Ref. 51243); depth range 0 - 20 m. Tropical; 30°N - 23°S, ... | <urn:uuid:62799c87-e163-4617-8341-d7fed4c81a53> | 2.984375 | 568 | Knowledge Article | Science & Tech. | 63.045 |
This problem was posted by our own Agnishom in another thread.
A triangle has sides of length at most 2, 3 & 4. What is the maximum area the triangle can have?
Let's see if geogebra 4.27 can lend some insight into the problem.
1) Hide the xy axes.
2) Place point A anywhere on the screen.
3) Use the circle with center a... | <urn:uuid:886100d0-07c2-4ae9-9ff6-96243dc71bb4> | 3.109375 | 483 | Q&A Forum | Science & Tech. | 85.620122 |
Perl Style: Program Perl, Not C/BASIC/Java/Pascal/etc
- `Just because you can do something a particular way doesn't mean
you should do it that way.' --Programming Perl
- If you find yourself writing code that looks like C code, or BASIC, or
Java, or Pascal, you are probably short-changing yourself. You need to
learn to... | <urn:uuid:4491b615-13ce-4801-bfab-6a3bef7f3674> | 2.6875 | 226 | Knowledge Article | Software Dev. | 61.955298 |
A butterfly is a flying insect of the order Lepidoptera belonging to one of the superfamilies Hesperioidea (the skippers) and Papilionoidea (all other butterflies). Many butterflies have remarkable colors and patterns on their wings. People who study or collect butterflies (or the closely related moths) are called lepi... | <urn:uuid:015bdd0e-6401-4a84-90b7-77def68529b5> | 3.796875 | 1,336 | Knowledge Article | Science & Tech. | 26.871379 |
Water Thermometer - Sick Science!
Watch the temperature rise with this homemade thermometer
Is it possible to make a thermometer out of water? Absolutely! The best part about our Water Thermometer experiment is that you have all the materials you need in your own home. That's right, you'll be measuring temperature with... | <urn:uuid:bacfe451-46be-4a30-a5a6-534e929c16e1> | 3.375 | 320 | Tutorial | Science & Tech. | 59.769417 |
Did Earth encounter pieces of an alien visitor Wednesday night? Apparently so! It appears tiny pieces of Comet Hartley 2 may have presented a spectacular and startling sky show across the country. NASA meteor experts had predicted it was a long shot, but the evenings of November 2nd and 3rd might display a meteor showe... | <urn:uuid:4de75d94-748a-4e4f-86a5-204df0d66dda> | 3.046875 | 603 | Personal Blog | Science & Tech. | 49.898435 |
A trend line should always pass through ate least two actual data points on a scatter plot. True or false?.?
I don't even know whether it is multiplication, addition etc. This is something to do with Integers. I am taking Basic College Mathematics.
how to solve algebraic equation using elimination method
I can find the... | <urn:uuid:a63bee1e-aa18-4f1d-83ef-31dd71fdfb99> | 2.828125 | 436 | Q&A Forum | Science & Tech. | 78.659155 |
Short Summaries of Articles about Mathematics
in the Popular Press
"Quadramagicology," by Dana Mackenzie. New Scientist, 20/27 December 2003,pages 50-53.
This article discusses magic squares, which are square arrays of numbers inwhich the rows, columns, and diagonals add up to the same number. Althoughmagic squares hav... | <urn:uuid:5c125b0f-370c-4d32-b026-cc166e339733> | 2.90625 | 160 | Content Listing | Science & Tech. | 35.177576 |
Say I have three unicellular organisms: a eukariote, a bacterium and an archaeon. If I cut off nutrition from them at the same time, how long will it take for them to die? What will their death look like, and do they actually need to die? If so, why?
This is very dependent on the organism within each of the groups you ... | <urn:uuid:f7122e74-1182-4ace-bb17-188983bafb04> | 3.09375 | 335 | Q&A Forum | Science & Tech. | 58.325588 |
Night 5 Reading:Acceleration
Acceleration can be defined as a change in velocity over a period of time. Usually, we think of this as a change in speed. Remember, velocity is a vector with both a magnitude and a direction. So there are two ways to change the velocity of an object. We can change either the speed or the d... | <urn:uuid:46bf0e03-c2c8-41eb-9bf6-899d25054903> | 4.375 | 930 | Personal Blog | Science & Tech. | 48.831461 |
|IDL Reference Guide: Procedures and Functions|
The ROUND function rounds the argument to its closest integer.
Result = ROUND(X [, /L64 ] )
Returns the integer closest to its argument. If the input value X is integer type, Result has the same value and type as X. Otherwise, Result is returned as a 32-bit longword integ... | <urn:uuid:05434eb8-7ee3-4399-9442-e65c40a6428e> | 3.390625 | 355 | Documentation | Software Dev. | 65.564537 |
LOHAFEX was an experiment initiated by the German Federal Ministry of Research and carried out by the German Alfred Wegener Institute (AWI) 2009 to study sea fertilization in the South Atlantic. It was also an Indo-German cooperation project. The word itself is also an acronym and portmanteau word composed from the Ind... | <urn:uuid:c4375fb6-9ba4-4cfa-a444-bc8763692629> | 3.375 | 622 | Knowledge Article | Science & Tech. | 53.021752 |
A variety of research activities on the organisms in the Ross Dependency was undertaken to determine the biological research potential of the organisms. Most work focused on photoreceptors of different invertebrates and fishes. The studies included work on:
a) Glyptonotus antarcticus: The dorsal and ventral eyes of thi... | <urn:uuid:4bebf6a6-c7dc-4dcf-9ab0-6a5a461e3182> | 2.921875 | 484 | Academic Writing | Science & Tech. | 46.927975 |
Scarp within Chasma BorealeHiRISE Image PSP_001412_2650
This image is of the north polar layered deposits (PLD) and underlying units exposed along the margins of Chasma Boreale. Chasma Boreale is the largest trough in the north PLD, thought to have formed due to outflow of water from underneath the polar cap, or due to... | <urn:uuid:f300dcf7-e36c-4a78-bca2-2f141be1d99a> | 3.28125 | 942 | Knowledge Article | Science & Tech. | 46.635651 |
When I saw the tape of Judy K's class I realized that I was part of the problem. I realized that I tended to react with a head nod or a verbal "good" or "what about this...?" to most student comments. What I observed Judy doing was eliciting all the possible student responses before she made any comment other than, "An... | <urn:uuid:e9d16233-8674-4076-94aa-ad4aea5dfa47> | 3.453125 | 1,539 | Knowledge Article | Science & Tech. | 39.383421 |
Definition We say that the sequence has finitely many non zero terms iff there exists such that for all .
This is just what all mathematicians interpret with the expression the sequence has finitely many non zero terms.
Question: Has the zero sequence finitely many non zero elements?. You are going to say yes.
I have a... | <urn:uuid:6e8aab4e-57f4-4b45-9f9d-efbd1d260c68> | 2.890625 | 168 | Q&A Forum | Science & Tech. | 64.885733 |
Use the information to describe these marbles. What colours must be
on marbles that sparkle when rolling but are dark inside?
This problem looks at how one example of your choice can show something about the general structure of multiplication.
This ladybird is taking a walk round a triangle. Can you see how much he ha... | <urn:uuid:9c7ce040-be65-46e8-bc06-e36264836775> | 3.515625 | 580 | Q&A Forum | Science & Tech. | 68.625776 |
How do wood decomposition relate to other traits in the tree? Answered by Benjamin G. Jackson and co-workers in the Early View paper “Are functional traits and litter decomposability coordinated across leaves, twigs, and wood? A test using temperate rainforest tree species”. Here’s Benjamin’s short summary and his peda... | <urn:uuid:5e66ec2b-44b2-40f2-8b06-9967324228fc> | 3.140625 | 259 | Academic Writing | Science & Tech. | 32.556839 |
There’s a little bit of buzz burbling around over Al Gore’s scientific goof during a Conan O’Brien interview. Discussing geothermal energy, he said the following:
It definitely is, and it’s a relatively new one. People think about geothermal energy — when they think about it at all — in terms of the hot water bubbling ... | <urn:uuid:b0db3486-b10f-4d46-a919-e2a1b4eece48> | 3.09375 | 855 | Personal Blog | Science & Tech. | 55.69625 |
Scientists say a modification to the design of lithium-ion batteries could allow batteries that can charge and discharge in a matter of seconds. Writing in the journal Nature, the team from MIT describe modifying the surface of a sample of lithium iron phosphate to improve the mobility of the lithium ions in the materi... | <urn:uuid:5a63e6fd-e612-4829-bef4-e49183e924ad> | 3.46875 | 157 | Truncated | Science & Tech. | 34.837269 |
Simply begin typing or use the editing tools above to add to this article.
Once you are finished and click submit, your modifications will be sent to our editors for review.
migration of marine organisms
In coastal waters many larger invertebrates (e.g., mysids, amphipods, and polychaete worms) leave the cover of algae... | <urn:uuid:616e5b90-d95a-4a67-ab75-47573cd10497> | 3.53125 | 237 | Truncated | Science & Tech. | 48.732016 |
These two images show atmospheric soundings taken on February 13, 2007 at Wilmington, Ohio, showing measurements of temperature, dewpoint and wind from the surface to several kilometers up in the atmosphere. We will focus on the red line, which shows the atmospheric temperature profile. Both graphs show the freezing li... | <urn:uuid:45f6d70e-3c4c-4e9a-adb3-f8229fbd1edf> | 3.625 | 275 | Knowledge Article | Science & Tech. | 47.423846 |
Uh, what do a and b represent here? Vectors, you say? Does that mean the same thing as "line segments?"
A Vector is a line segment where the first endpoint is in the origin (0, 0). This means that a Vector only represent the direction and length of a line. So a and b represents the direction and length of the two line ... | <urn:uuid:48ea43da-22ee-44f7-81bf-e3a24219f57f> | 4 | 828 | Comment Section | Software Dev. | 84.258873 |
There is a fertilizer that makes plants grow fast. When you apply this fertilizer, the plant will increase its height by one-half on the first day. On the second day its height increases by one-third of its height of the previous day. On the third day its height increases by one-fourth of its height of the previous day... | <urn:uuid:97e9c61e-7f13-49a5-b56e-4050311cdaa5> | 3.390625 | 176 | Tutorial | Science & Tech. | 73.26707 |
Fun Demo, But. . .
Thu Jan 22 09:53:13 GMT 2009 by Robin
If this is about charges on electrodes on the boat, then why is there a copper sheet at the bottom of the tank and why is there no visible connection from the electrodes to a external source - they just seem to be connected together?
The Experiment Is Flawed
Sat ... | <urn:uuid:967c5a22-6e67-4466-96ac-291096d68137> | 2.875 | 227 | Comment Section | Science & Tech. | 69.753064 |
Researchers at Wake Forest University's Center of Nanotechnology and Molecular Materials are working with some interesting stuff. They have developed a cloth-like material made from carbon nanotubes that has thermo-electric properties.
Thermoelectric devices (TEDs) have been around since the 19th century. A TED is crea... | <urn:uuid:f46d897d-8191-41bf-bec9-ab2fe0919f97> | 3.71875 | 504 | Knowledge Article | Science & Tech. | 39.340977 |
Revista Brasileira de Ensino de Física
Print version ISSN 1806-1117
MARTINS, Fernando Ramos; PEREIRA, Enio Bueno and ECHER, Mariza Pereira de Souza. Solar energy resources assesment using geostationary satellites in Brazil: Swera Project. Rev. Bras. Ensino Fís. [online]. 2004, vol.26, n.2, pp. 145-159. ISSN 1806-1117. ... | <urn:uuid:2295ac5e-526e-4360-bdfc-dbe7e6cdb6f6> | 2.953125 | 306 | Academic Writing | Science & Tech. | 41.318182 |
The emergence of nanotechnology is likely to have a significant impact on drug delivery sector, affecting just about every route of administration from oral to injectable. The illustration at left is created for USC's alumni magazine to describe researchers work on nanotechnology drug delivery systems.
The illustration... | <urn:uuid:e1739ebc-433d-4514-817a-5a23fd2d4a48> | 2.765625 | 320 | Knowledge Article | Science & Tech. | 33.331975 |
Chandra observations of merging galaxies
The two images shown above of the early merger Arp 270 (where the galaxy disks are still very distinct) are of approximately equal size. Cool (less than 1 million degree) diffuse gaseous emission is seen associated with the two galaxy disks and several point sources of varying h... | <urn:uuid:61e47748-6665-4728-b1d4-3aedbe5dc1b4> | 3.3125 | 323 | Knowledge Article | Science & Tech. | 49.30714 |
Want to stay on top of all the space news? Follow @universetoday on Twitter
The Whitewater-Baldy fire is the largest wildfire in New Mexico’s history and has charred more than 465 square miles of the Gila National Forest since it started back on May 16, 2012 after several lightning strikes in the area. This wildfire pr... | <urn:uuid:dfaeffa0-225e-4d39-a5e9-3667afd30a65> | 2.78125 | 147 | Truncated | Science & Tech. | 47.92947 |
Hide and seek in a warming climate
How are different animal species adapting to a warmer future?
Much of the world’s biodiversity faces an uncertain future as global warming continues across the Earth’s surface.
The scale and pace of the threat posed by a warming climate has alarmed many scientists, leading them to sea... | <urn:uuid:f605a7ba-bf66-47e0-aa6c-fbc1d534e41d> | 4.09375 | 1,179 | Academic Writing | Science & Tech. | 24.27234 |
That's a compound line - it's running two commands at once through use of the backticks "`".
Like order of operations - the script will execute what's in the backticks first, and then send its output to the containing statement.
So first it executes
echo $file | sed 's/DIR1/DIR2/'
which is a non-elegant way to substitu... | <urn:uuid:a4fde5bd-8775-456b-8171-acc0f2bea5d4> | 3.171875 | 638 | Comment Section | Software Dev. | 65.662321 |
The tornado damage inflicted on Tuscaloosa on April 27, 2011, was just one part of a tornado track roughly 80.3 miles (129.2 kilometers) long and up to 1.5 miles (2.4 kilometers) wide. On May 4, 2011, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite observed another s... | <urn:uuid:83f36da3-5380-47a6-a984-79dcbadc8f52> | 3.109375 | 457 | Knowledge Article | Science & Tech. | 57.657264 |
In chemistry, the addition of a formyl functional group is termed formylation. A formyl functional group consists of a carbonyl bonded to a hydrogen. When attached to an R group, a formyl group is called an aldehyde.
Formylation has been identified in several critical biological processes. Methionine was first discover... | <urn:uuid:e5a803b3-06b3-4fe9-bd2e-f7158e6154cf> | 3.28125 | 3,573 | Knowledge Article | Science & Tech. | 37.624077 |
The phase space dynamics of the discrete dynamical system is just what you describe--- x(n+1) as a function of x(n). The phase space itself is the range of values of the x(n), whatever space they might live on, while the dynamics is the function that specifies the evolution in one step in time.
The connection with mech... | <urn:uuid:2d1668da-50de-4764-8fa0-c4e0a0dc0832> | 2.703125 | 542 | Q&A Forum | Science & Tech. | 50.95482 |
Outlying dense plasma
Plots of plasmaspheric ion (right) and electron (below)
density show significant density structure in the plasma
trough region outside the plasmapause. In both panels, the y
axis gives the particle density, while the x axis indicates the
position in L. The top panel shows a well-defined
plasmapaus... | <urn:uuid:0f696c69-037f-487d-9f95-448cee88844a> | 2.734375 | 406 | Knowledge Article | Science & Tech. | 57.358926 |
How warming and steric sea level rise relate to cumulative carbon emissions
Surface warming and steric sea level rise over the global ocean nearly linearly increase with cumulative carbon emissions for an atmosphere-ocean equilibrium, reached many centuries after emissions cease. Surface warming increases with cumulati... | <urn:uuid:c962307c-3b06-4c0b-817a-ad5982b02881> | 2.78125 | 214 | Knowledge Article | Science & Tech. | 47.263248 |
Programming - WordFrequency modifications
The purpose of these exercises is to get practice with using some of the basic data structures..
Java: Map Iteration
No direct iteration over Maps -- Get Set of keys or key-value pairs from Mapt.
Key-value pairs are stored in maps..
Example - WordFrequency
This program reads fi... | <urn:uuid:bec3c6d8-c449-4ae1-9d87-692afd4d29c7> | 2.921875 | 80 | Tutorial | Software Dev. | 47.180526 |
By May 26, 2010, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this photo-like image, Iceland’s Eyjafjallajökull Volcano had slowed its eruption. A tiny, white puff of steam rises from the volcano in this image. Considerable steam had been coming from the crater, said ... | <urn:uuid:3a10d7c2-962a-49fd-9d8d-8dc326dcebb6> | 4 | 448 | Knowledge Article | Science & Tech. | 48.581078 |
La Niña, the counterpart to El Niño, alters rainfall patterns over the Pacific and Indian Ocean basins. La Niña develops when stronger-than-average trade winds push the warm surface waters of the equatorial Pacific west. Since cold water rises to replace the warm water, La Niña leaves the eastern and central Pacific Oc... | <urn:uuid:d51fe86b-593b-4872-aa77-0f92ef552d44> | 4.0625 | 570 | Knowledge Article | Science & Tech. | 29.651613 |
The Death Ray Debate
The content of this page is an excerpt from http://www.mlahanas.de/Greeks/Mirrors.htm. Checkout this site for additional, interesting historical context.
A Burning Question by J. L. Hunt
The Greek historian Lucian has recorded that during the siege of Syracuse, Archimedes constructed a burning glas... | <urn:uuid:f6d3c356-6898-4775-aa03-7b3a01da93e3> | 3.375 | 909 | Knowledge Article | Science & Tech. | 55.680365 |
Suriname was ahead of the curve when it cordoned off what is now some of the world’s largest tracts of unspoiled tropical forest.
In 1998, as proof of its commitment to environmentally-friendly development, the government set aside 10 percent of land — about the size of New Jersey — and created the Central Suriname Nat... | <urn:uuid:d56ddaf9-9094-47af-83a7-fc8a93de520c> | 3.75 | 487 | Knowledge Article | Science & Tech. | 28.159411 |
This chapter describes a number of modules that are used to parse different file formats.
Python comes with extensive support for the Extensible Markup Language XML and Hypertext Markup Language (HTML) file formats. Python also provides basic support for Standard Generalized Markup Language (SGML).
All these formats sh... | <urn:uuid:c145e89e-25f0-4b29-b28b-f0dcbb26f8ac> | 4.0625 | 827 | Documentation | Software Dev. | 55.541649 |
New Genomes Project Data Indicate a Young Human Race
by Brian Thomas, M.S. *
In 2008, an extensive international effort was begun to sequence in unprecedented detail over 1,000 representative human genomes from around the world. The results of three preliminary pilot projects were published in October 2010—one of which... | <urn:uuid:9fb90f79-99a1-4239-845c-da1437e27c93> | 3.609375 | 853 | Academic Writing | Science & Tech. | 42.585727 |
Shadow Length Change
Why does the length of a shadow change during the day?
Try this (you will need a ruler, pencil and two sheets of paper):
1) draw two upright lines of exactly the same height (about 3cm
in height should do), one line per piece of paper.
2) For one of the lines draw a point or dot at a distance of, m... | <urn:uuid:ffa234b5-c914-4155-bf0b-188d73db2f1d> | 3.65625 | 272 | Q&A Forum | Science & Tech. | 63.136776 |
Nanobioscientists like Mike Simpson aim to harness or imitate the complex abilities of bacteria and other single cells to make implantable sensors and actuating devices.
Put a biologist, a physical scientist, and an electrical engineer in the same room, and you have a recipe for an interesting collaboration in nanobios... | <urn:uuid:b0b75c20-fda0-4b44-90c1-ba8dbf23f0b3> | 3.421875 | 874 | Knowledge Article | Science & Tech. | 24.414168 |
In recent years, it has been shown that fine particle concentrations in the atmosphere are strongly correlated with increased mortality rates and respiratory disease. One of the major anthropogenic sources of fine particles is coal-fired power generation. This study has been initiated to determine the contribution of c... | <urn:uuid:98bdb88f-1c09-46f4-a1a0-654e7ddae9cb> | 3.03125 | 215 | Academic Writing | Science & Tech. | 27.802727 |
Vertebrates of the class Amphibia including frogs and toads (Anura), salamanders (Urodela), caecilians (Apoda) and extinct forms which are cold-blooded and have life stages in water as eggs and larval forms (tadpoles)until they metamorphose as adults.
Amphibian population declines and deformities due to various causes ... | <urn:uuid:21263de2-374b-44a8-8e48-a1b2d61b18ae> | 3.5625 | 548 | Content Listing | Science & Tech. | 27.130789 |
Introduction to RELAX NG (1/2) - exploring XML | 2
Introduction to RELAX NG
While we have seen how elements and attributes are defined, we also need to learn how to specify
cardinality. This is done through special elements, of which we have already seen the
|?||zero or one appearances, either appear all or nothing.|
|... | <urn:uuid:4429de7e-242d-48ab-8135-98d3c00ee669> | 2.984375 | 809 | Documentation | Software Dev. | 29.048846 |
In a previous post, I reported on the baffling new finding that neutrinos appear to travel faster than light. The stuff of science fiction…travel to the past…weird science…Einstein rolling in his grave. (Except that faster-than-light doesn’t necessarily imply the possibility of time travel, and superluminal neutrinos m... | <urn:uuid:b70f1b4b-8fd0-40c8-870b-c6fed2a6b5eb> | 3.34375 | 884 | Personal Blog | Science & Tech. | 34.122763 |
No, not that. These (photo by DanielCD):
Blastoids are small but reasonably common Palaeozoic (Silurian to Permian) fossils. The name means, roughly, 'bud-like' and refers to the common resemblance of the fossils to flower buds. However, blastoids were not plants but echinoderms, animals of the same phylum as modern cr... | <urn:uuid:2b01ca2c-ae9c-4d17-a5bb-7b1acdcfe4b6> | 3.171875 | 1,253 | Knowledge Article | Science & Tech. | 44.954806 |
1. A black hole is formed when a star is out of nuclear fuel which it needs to exist. It grows smaller and smaller until it collapses under its own weight.
2. While most stars end up as white dwarfs or neutron stars, black holes are the last evolutionary stage in the lifetimes of enormous stars that had been at least 1... | <urn:uuid:d2db4afc-a471-4ac7-8dc0-b345473807d2> | 4.09375 | 280 | Listicle | Science & Tech. | 75.345849 |
Now that we have dealt with the simplicity that Earth Quakes are caused by the interaction of tone of sound and the Earths Magnetic Field and that the Pyramids of Giza and the likes were not built by Egyptians or Aliens but evolved (grew) We can get into more interesting things.
To understand Crop Circle phenomenon you... | <urn:uuid:9cba5fe5-4382-4306-8c86-dd033efcefd1> | 2.953125 | 360 | Comment Section | Science & Tech. | 39.662559 |
Teaching python (programming) to children
David Andreas Alderud
aaldv97 at student.remove-this-part.vxu.se
Wed Nov 7 18:07:36 CET 2001
Java, C and C++ got there after a while, but they where not to begin with.
Ada was well documented and with lots of RFC before the actually
implementation of Ada83. Considering that it ... | <urn:uuid:24fde16a-f047-4a93-85a7-cf84e77002ad> | 2.96875 | 230 | Comment Section | Software Dev. | 62.471152 |
5.4.2. Abundance inhomogeneities
Many studies have suggested that structures seen in planetary nebulae (extended haloes, condensations) have different composition from the main nebular body, indicating that they are formed of material arising in distinct mass loss episodes characterized by different chemical compositio... | <urn:uuid:916fdb6e-6ac6-4d6a-8022-bd525f486e14> | 2.78125 | 2,215 | Academic Writing | Science & Tech. | 46.650795 |
Plants and Water on Other Planets
Name: jenny m timis
Date: 1993 - 1999
Do you think that there are plants, water,etc. on other planets?
There is certainly water on other planets (Mars for example),
but much more is needed for life. Most planetary scientists
believe that life probably existed on Mars sometime in the pa... | <urn:uuid:fecf6849-2fad-4b2d-bf92-281ec33fa120> | 2.6875 | 190 | Audio Transcript | Science & Tech. | 48.335395 |
|The graph on the right shows the amount of longwave radiation
that is emitted to space. An important atmospheric
window exists from 8 to 13 micrometers.
Energy emitted through this window accounts for almost half of longwave radiation emitted to space. CO2 and H2O absorbs radiation at wavelengths longer than the atmos... | <urn:uuid:b28dbd03-cbdc-4d52-a6d1-03a05c756ad7> | 3.84375 | 134 | Knowledge Article | Science & Tech. | 49.779765 |
|Home » Howtos » Syntax » Here document|
If you're tempted to write multi-line output with multiple
statements, because that's what you're used to in some other language,
consider using a HERE-document instead.
Inspired by the here-documents in the Unix command line shells, Perl HERE-documents provide a convenient way ... | <urn:uuid:addefc15-1e78-4be9-b4d3-68555c18f293> | 3.3125 | 869 | Tutorial | Software Dev. | 59.682599 |
Those who understand compound interest are destined to collect it. Those who don't are doomed to pay it - or so says a well-known source of financial advice. But what is compound interest, and why is it so important? John H. Webb explains.
In the late 1940s, American painter Jackson Pollock dripped paint from a can on ... | <urn:uuid:b5379cda-ff6b-42a7-9641-cfac65359e8a> | 3.1875 | 221 | Truncated | Science & Tech. | 51.821011 |
Submitted to: Florida Scientist
Publication Type: Abstract Only
Publication Acceptance Date: January 9, 2008
Publication Date: March 6, 2008
Citation: Sigua, G.C., Paz-Alberto, A.M. 2008. Phytoremediation Potential of Lead-Contaminated Soil Using Tropical Grasses [abstract]. Florida Scientist. 71(1): 1-6.
The global pr... | <urn:uuid:87a08665-bcb0-4272-b3cf-bf5856857ddd> | 2.796875 | 659 | Academic Writing | Science & Tech. | 47.383409 |
Arggghhhh! Nothing gets my goat more than reading a novel or a report that shows a scientific name with both the genus and species names with upper case letters or neither word in italics.
It's really simple! Organisms that have been scientifically described have two names*, a genus name and a species name. The first o... | <urn:uuid:b5bebda8-debb-42b8-bd72-536372906dfc> | 3.046875 | 295 | Personal Blog | Science & Tech. | 52.80055 |
And now to the questions.
Q. Can you give us a brief overview, Robert, of just what your book is about?
A. I'm saying that the next ice age could begin any day. And when it begins it will begin with a bang, practically overnight. People in the north will be buried beneath vast amounts of snow (two stories, three storie... | <urn:uuid:d60185de-e643-460f-81f9-17a513d690c4> | 2.71875 | 2,561 | Audio Transcript | Science & Tech. | 69.25014 |
Multiplication of polynomials
Multiplication of polynomials.
To multiply a polynomial by a polynomial, multiply each of the terms of one polynomial by each of the terms of the other polynomial and combine results.
- The laws of exponents
- The rules of signs
- The commutative and associative properties of multiplicatio... | <urn:uuid:e7fd15e1-fb43-48ff-baed-3d85e8e476b0> | 3.546875 | 149 | Tutorial | Science & Tech. | 57.203043 |
branch of zoology dealing with the scientific study of insects. The Greek word entomon, meaning `notched,` refers to the segmented body plan of the ... [8 related articles]
Found op http://www.britannica.com/eb/a-z/e/34
entomology 1. The branch of zoology that deals with the study of insects. 2. From French entomologie... | <urn:uuid:2e37bb85-b103-4038-b6ad-c252a00fcc42> | 3.21875 | 832 | Structured Data | Science & Tech. | 66.106834 |
The Proxy design pattern (GoF ) allows you to provide "a surrogate or placeholder for another object to control access to it". Proxies can be used in many ways. Some of which are:
Commons Proxy supports dynamic proxy generation using proxy factories, object providers, invokers, and interceptors.
Proxy factories encapsu... | <urn:uuid:d5929851-d37d-48cc-84df-1dd901a5afa2> | 2.984375 | 681 | Documentation | Software Dev. | 21.874251 |
In C or C++, it's apparently possible to restrict the number of bits a variable has, so for example:
unsigned char A:1; unsigned char B:3;
I am unfamiliar however with how it works specifically, so a number of questions:
If I have a class with the following variables:
unsigned char A:1; unsigned char B:3; unsigned char... | <urn:uuid:789045e0-0dda-4a72-8d9f-90f05bffab21> | 2.96875 | 270 | Q&A Forum | Software Dev. | 57.580529 |
C represented strings as null-terminated arrays of ASCII characters. This meant that you couldn't include '\0' in your strings, and if you forgot the null terminator, you were screwed. I hope you like buffer overflows. And the fact that strings can be changed in-place by any piece of code with a pointer to it should ma... | <urn:uuid:c111478e-123f-4793-b630-d5490da74131> | 3.59375 | 1,415 | Personal Blog | Software Dev. | 59.902293 |
ThinkProgress did a search of major national newspapers and found that Sandy was mentioned at least 94 times, but terms like climate change, global warming and extreme weather weren't mentioned at all. She suggests two possible reasons for the disconnect: The presidential candidates have been silent on climate change a... | <urn:uuid:ccdedbcc-08be-45ae-9d91-ab82fc26dafc> | 2.703125 | 247 | Personal Blog | Science & Tech. | 31.312716 |
Halloween Worksheets for Math
Halloween Candy Sort - Math for Young Children
Use the Halloween haul to demonstrate sorting and classification to young trick or treaters.
Halloween Math Ideas
Some mathematical suggestions for problem solving with math related to Halloween.
Halloween Related Math Worksheets
Scroll down f... | <urn:uuid:faeebdbc-1e9e-4c94-b603-1350cc1a082c> | 3.359375 | 259 | Content Listing | Science & Tech. | 27.848071 |
Search Loci: Convergence:
Suppose we loosely define a religion as any discipline whose foundations rest on an element of faith, irrespective of any element of reason which may be present. Quantum mechanics for example would be a religion under this definition. But mathematics would hold the unique position of being the... | <urn:uuid:e296596b-c7e6-40f6-9c41-e000dfabcb05> | 3.09375 | 419 | Knowledge Article | Science & Tech. | 44.30125 |
why 360 degrees?
See also the
Dr. Math FAQ:
segments of circles
Browse High School Conic Sections, Circles
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Find the center of a circle.
Is a circle a polygon?
Volume of a tank.
Why is a circle 360 deg... | <urn:uuid:1bbe4d57-390a-4955-aa9c-1f55796983e7> | 3.75 | 1,961 | Q&A Forum | Science & Tech. | 73.839218 |
Table of Contents [+/-]
MySQL 4.1 introduces spatial extensions to allow the generation,
storage, and analysis of geographic features. Currently, these
features are available for
MyISAM tables only.
This chapter covers the following topics:
The basis of these spatial extensions in the OpenGIS geometry model
Data format... | <urn:uuid:dbfe7330-64a4-4697-8945-8a6fece6afe1> | 3.203125 | 209 | Documentation | Software Dev. | 47.675495 |
3.3 m and from Type Ia Supernovae
The use of type Ia supernovae for measuring cosmological parameters is covered elsewhere in this volume by Filippenko (nearby supernovae and determinations of H0) and by Perlmutter (distant supernovae and m and ). Hence, these objects will not be discussed in much detail here, except t... | <urn:uuid:9e33147a-8c30-407a-8926-a9eb28a93681> | 3.03125 | 619 | Academic Writing | Science & Tech. | 24.256774 |
Polarization and Direction
Name: Jess V.
Why does the "axis" of a Polaroid lens appear to
shift by a quarter turn (90 degrees) for light traveling in opposite
directions? This behavior does not seem to fit the standard "picket
fence" model for polarized light.
This is not the behavior of a typical polarizing film. Plea... | <urn:uuid:6e1bee14-0bac-46d9-b6d0-de489ea8e009> | 3.015625 | 339 | Q&A Forum | Science & Tech. | 50.707564 |
Can't view YouTube? Download MP4
Challenge Question: Why does the amount of water on the speakers affect how often droplets are ejected?
Challenge Answer: The more water, the larger the surface area of the sphere of water. The speakers exert a force on the sphere of water, increasing the pressure inside the sphere. Pre... | <urn:uuid:9020d520-835a-4eb5-b954-78653d7fa9b6> | 4 | 145 | Q&A Forum | Science & Tech. | 48.146923 |
Out In Space
Have you ever looked up at the sky at night and wondered just exactly what is out there? Well, you can start finding the answers to your questions right here! A solar system is made up of planets revolving around a star. It can include moons for each planet, comets, asteroids, meteoroids, and interplanetar... | <urn:uuid:1a1e67fd-0da0-46ea-9f56-807ed1f8f188> | 2.921875 | 109 | Knowledge Article | Science & Tech. | 58.13 |
Solar power is definitely gaining momentum in the UK. In the past two years alone solar output in the UK has grown by a whopping 41 times! And we at 10:10 couldn’t be happier. In fact, our latest project, called Solar Schools, is all about getting schools across the UK to generate their own power.
Most of the times, pv... | <urn:uuid:e382aac1-71b2-40cc-b1ac-c3430bb0ec3c> | 2.703125 | 842 | Listicle | Science & Tech. | 66.217701 |
WERE NORTH SLOPE DINOSAURS
"WARM-BLOODED" or "COLD-BLOODED"?
In the past, paleontologists assumed that all dinosaurs were cold-blooded like today's reptiles. But beginning in the 1960s, some scientists began raising the possibility that some dinosaurs were warm-blooded.
In warm-blooded mammals, cross-sections of their ... | <urn:uuid:56f0abea-bc7f-4320-8ec0-220c465e73cf> | 3.953125 | 187 | Knowledge Article | Science & Tech. | 42.195815 |
Robert L. Mills
Simply begin typing or use the editing tools above to add to this article.
Once you are finished and click submit, your modifications will be sent to our editors for review.
...in the modern theory of electromagnetism called quantum electrodynamics (q.v.), or QED. Modern work on gauge theories began wit... | <urn:uuid:12b5a28a-8964-4eea-9c01-ed9f72580612> | 3.203125 | 364 | Knowledge Article | Science & Tech. | 58.001902 |
For those who have little or no programming experience at all, you can go to:http://www.krashcourse.com/C++
The software/ebook is entitle C++ Basics for Visual Learners and discusses the basic concepts to C++ like variables, functions, loops, and decision statements. The book doesn't go into advanced topics such as rea... | <urn:uuid:d844b652-500b-4471-b557-5a3007478b8b> | 2.75 | 143 | Comment Section | Software Dev. | 57.966905 |
Pumping water from High Plains aquifer reducing stream flows, threatening fish habitat
Suitable habitat for native fishes in many Great Plains streams has been significantly reduced by the pumping of groundwater from the High Plains aquifer -- and scientists analyzing the water loss say ecological futures for these fis... | <urn:uuid:fad50cef-08a2-4e24-9e4d-502348a3c849> | 3.09375 | 403 | Truncated | Science & Tech. | 32.877377 |
Find the initial concentration of NO2 if the concentration after 2.00 min is 0.113. k = 0.331 1/(M * s) 2 NO2 (g) + N2 (g) --> 2 N2O (g) + O2 (g)
Dr. Gillian explained that research has identified over 25,000 genes which are responsible for the genetic information which progresses from generation to generation. These g... | <urn:uuid:742a845f-e0b7-4ca2-aef3-824d5b56c28d> | 2.6875 | 465 | Comment Section | Science & Tech. | 81.489305 |
A dynamite blast at a quarry launches a chunk of rock straight upward, and 2.0s later it is rising at a speed of 15m/s. Assuming air resistance has no effect, calculate its speed A) at launch and B) 5.0s after lauch
In a historical movie, two knights on horseback start from rest 88.0m apart and ride directly toward eac... | <urn:uuid:a899a33d-bcde-403a-a881-aa8e2a1743e7> | 3.828125 | 574 | Content Listing | Science & Tech. | 89.265277 |
The World Meteorological Organization (WMO) requires the calculation of averages for consecutive periods of 30 years, with the latest covering the 1961–1990 period. However, many WMO members, including the UK, update their averages at the completion of each decade. Thirty years was chosen as a period long enough to eli... | <urn:uuid:7010fe19-4d6a-46c5-95eb-05def6c5f571> | 2.796875 | 136 | Knowledge Article | Science & Tech. | 39.481999 |
How Does the BP Oil Spill Impact Wildlife and Habitat?
Scientists are still assessing the effects of the estimated 170 million gallons of oil that flooded into the Gulf after the explosion of BP's Deepwater Horizon oil rig.
More than 8,000 birds, sea turtles, and marine mammals were found injured or dead in the six mon... | <urn:uuid:ff3438d3-d0ad-46b4-867a-4fdee3571334> | 3.734375 | 441 | Knowledge Article | Science & Tech. | 50.590676 |
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In this section, you will learn how to remove all white spaces from the given string by using the regular expressions. This section gives you a example for the best illustration about the way of removing all the duplicate white spaces from the given string.
This program takes string from which all duplicate white space... | <urn:uuid:88d0b0c0-b363-412f-a670-9761a65649d0> | 3.65625 | 341 | Documentation | Software Dev. | 55.759817 |
In the infrared, as in the optical, the means of reporting source
brightnesses and the units employed have varied considerably. In recent years, however,
magnitude systems have been used less frequently, and the most popular unit for expressing brightnesses, both for point source fluxes and surface brightnesses, is ste... | <urn:uuid:f6b156c6-0cd1-4c6d-899a-c4f6ba5941bb> | 3.1875 | 857 | Documentation | Science & Tech. | 42.120318 |