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We live in a sea of radiation. In any city, an unsuspecting owner of a 0.1 acre backyard garden may not know that the top one metre of soil from his garden contains 11,200 kg of potassium, 1.28 kg which is of potassium- 40 (K-40, a radioactive isotope of potassium), 3.6 kg of thorium and one kg of uranium.
These values... | <urn:uuid:75847000-7313-45ff-a591-dd0bc62ae223> | 3.6875 | 991 | Nonfiction Writing | Science & Tech. | 60.19088 |
Natural freshwater surface streams of considerable volume and a permanent or seasonal flow, moving in a definite channel toward a sea, lake, or another river; any large streams, or ones larger than brooks or creeks, such as the trunk stream and larger branches of a drainage system. [Glossary of Geology, 4th ed.]
Report... | <urn:uuid:15216dbf-3d23-414b-b950-bd27c3306915> | 3.078125 | 201 | Structured Data | Science & Tech. | 28.295991 |
UW mathematician Branko Grunbaum has taken his inspiration from decorative patterns used in arts and crafts to advance basic theories of geometry. Since the early 1980s, Grunbaum and colleague G. C. Shephard of the University of East Anglia, Norwich, England, have pioneered new ways of analyzing the intricate patterns ... | <urn:uuid:411da270-1c9e-4e88-8527-cf5dc274358b> | 3.421875 | 716 | Academic Writing | Science & Tech. | 21.0366 |
More than most people who do not understand a little bit about algebra would ever guess; so I am going to answer the above question in this blog.
Introduction and background
My degree is in Engineering Physics and I have always been fascinated by space and astronomy and communications. I was a licensed amateur radio op... | <urn:uuid:3768a843-2692-4792-896a-41f82de3baf5> | 3.671875 | 657 | Personal Blog | Science & Tech. | 62.377414 |
View Article & Commentsview the latest news articles
Monday, December 3rd 2012, 2:23 PM EST
The atmosphere warms the Earth by 33C (some arrive at different numbers but that doesn’t matter here) simply because a quantity of kinetic energy is constantly being recycled up and down within the atmosphere so as to supply add... | <urn:uuid:be4ffb12-2c45-40e9-97a3-19bc143706da> | 3.359375 | 1,466 | Comment Section | Science & Tech. | 23.747182 |
The Small White (Pieris rapae) is a small- to medium-sized butterfly species of the Yellows-and-Whites family Pieridae. It is also known as the Small Cabbage White and in New Zealand, simply as White Butterfly. The names "Cabbage Butterfly" and "Cabbage White" can also refer to the Large White.
It is widespread and pop... | <urn:uuid:1ba5001c-b9ce-4ab5-90a1-a4a2e4dbf881> | 3.453125 | 1,071 | Knowledge Article | Science & Tech. | 47.3977 |
How to print Prime numbers in Java or how to check if a number is prime or not is classical Java programming questions, mostly taught in Java programming courses. A number is called prime number if its not divisible by any number other than 1 or itself and you can use this logic to check whether a number is prime or no... | <urn:uuid:68914e1e-9944-4061-9966-fc36188a170b> | 3.890625 | 451 | Tutorial | Software Dev. | 51.732282 |
Schenk Star pyranometer
The Schenk Star pyranometer is a black and white star type pyranometer that has six black and six white segments. The temperature difference between the black and white painted sectors is proportional to the incident solar radiation. Because the measurement is a temperature difference, the measu... | <urn:uuid:66701c55-85f4-4b00-97a4-d93cc71cf2b6> | 3.03125 | 337 | Knowledge Article | Science & Tech. | 40.811224 |
Second generation of biofuels could give forests a break
A Forests News article about renewable energy cited research by the Institute of the Environment and Sustainability analyzing the energy return on crops like soy that are used for biofuels.
Biofuels have been criticised for propelling deforestation, but a second ... | <urn:uuid:3f092398-0eec-46f2-aa42-fa0a36ca7412> | 3.265625 | 416 | Truncated | Science & Tech. | 21.745389 |
The term was coined by Benoit Mandelbrot in 1975, based on the fact that no matter how many times you “fracture” a fractal shape, you can always break it down to smaller, exact copies of itself. The pattern of the original shape repeats itself endlessly on an ever-smaller scale (somewhat like a family tree).
Because fr... | <urn:uuid:5497157f-a9d9-40b5-b7e3-9a18438d60dd> | 3.421875 | 282 | Personal Blog | Science & Tech. | 48.971875 |
Raining animals is a rare meteorological phenomenon, although occurrences have been reported from many countries throughout history. One hypothesis that has been offered to explain this phenomenon is that strong winds travelling over water sometimes pick up creatures such as fish or frogs, and carry them for up to seve... | <urn:uuid:65b41a58-5772-4c6f-8087-6a11cdc92022> | 3.40625 | 879 | Personal Blog | Science & Tech. | 33.906965 |
Whether or not our solar system is the only planetary system in the universe has intrigued scientists and philosophers for hundreds of years. It has only been in the last 15 years that planets orbiting distant stars have been detected. However, we still have not seen these 'extrasolar' planets. So, how do we know they ... | <urn:uuid:52ff32c3-53ec-4161-9ef8-821d79b0b4e4> | 4.1875 | 411 | Knowledge Article | Science & Tech. | 54.843844 |
The Mars rover Curiosity’s first roll was more than a cause for celebration — it will help pinpoint where the rover set down, and emblazon the name of its maker into the Martian soil. Curiosity’s wheels have holes arranged in the Morse code pattern for “JPL.”
Each of Curiosity’s six 20-inch-diameter wheels has a zigzag... | <urn:uuid:2bc7b9b6-bef3-46f5-b529-64e08957628d> | 3.546875 | 394 | Listicle | Science & Tech. | 60.406513 |
One could inject perhaps a dozen or so photons into a cavity and then launch through it, one by one, Rydberg atoms whose velocity is fixed at about a meter per second. The kinetic energy of these atoms would be greater than the atom-cavity potential energy, and they would pass through the cavity after experiencing a sl... | <urn:uuid:7e53bb77-6733-4bef-b475-df53838b7dde> | 3.6875 | 827 | Knowledge Article | Science & Tech. | 29.862201 |
More In This Article
Polynomials, the meat and potatoes of high-school algebra, are foundational to many aspects of quantitative science. But it would take a particularly enthusiastic math teacher to think of these trusty workhorses as beautiful.
As with so many phenomena, however, what is simple and straightforward in... | <urn:uuid:f98619bd-28ac-40b1-baf5-dafd2d9cfadc> | 3.96875 | 754 | Knowledge Article | Science & Tech. | 40.392174 |
Graphs of Exponential Functions Math Help Game Tips:
- The relations y=2x, y=3x, and y=4x are examples of exponential functions.
- A 'positive constant base raised to a variable exponent' = (constant)(variable) is an 'Exponential function'.
- In general, an 'Exponential function' is represented by the formula y=ax wher... | <urn:uuid:1503dcca-0ff4-4523-9092-c915d21d9213> | 4.0625 | 416 | Tutorial | Science & Tech. | 80.179438 |
The substitution method is a very valuable way to evaluate some indefinite integrals. The substitution method adds a new function into the one being integrated, and substitutes the new function and its derivative in order to make finding the wanted antiderivative easier.
Let's take a look at a differentiation problem. ... | <urn:uuid:d498f652-7a01-4387-a702-b102e9d5934e> | 3.703125 | 697 | Tutorial | Science & Tech. | 57.525553 |
Write the shortest possible program that demonstrates a programming language's entire syntax: statements, expressions, operators, reserved words, etc.
Take the language's grammar (usually in EBNF) and create a program that uses all of it.
The program doesn't have to do anything particularly useful, but if it does that'... | <urn:uuid:58139b69-6ba7-4df9-8bad-ca54732a1537> | 3.90625 | 157 | Q&A Forum | Software Dev. | 52.667725 |
As with many other fields of scientific study, the military has picked up on the use of Artificial Intelligence. The possibilities of military use of AI are boundless, exciting, intimidating, and frightening. While today's military robots are used mainly to find roadside bombs, search caves, and act as armed sentries, ... | <urn:uuid:0cd2a8a2-6562-4035-b5a5-d2d8543202bf> | 3.34375 | 1,040 | Nonfiction Writing | Science & Tech. | 39.161797 |
1.2. A brief history of cosmological constant
Originally, Einstein introduced the cosmological constant in the field equation for gravity (as in equation (5)) with the motivation that it allows for a finite, closed, static universe in which the energy density of matter determines the geometry. The spatial sections of s... | <urn:uuid:c0b04501-7ad7-40c2-9b79-764c47a872b7> | 3.5 | 1,745 | Academic Writing | Science & Tech. | 38.266987 |
Nanocrystals double up
Jun 26, 2003
Magnetic nanocrystals and semiconductor quantum dots can self-assemble into ‘metamaterials’ that could be useful in a range of applications, experiments in the US have shown. Franz Redl at the IBM TJ Watson Research Center in New York and colleagues at IBM, Columbia University and th... | <urn:uuid:f180b664-874f-4276-ada4-11e61c0ebb80> | 3.09375 | 447 | Truncated | Science & Tech. | 23.116623 |
he distinction between web design and web development is determined by two different roles in the construction of websites. Design revolves around the aesthetics of a website whilst development deals with the coding, to ensure functionality and accessibility. Sometimes there are individuals who are able to do both howe... | <urn:uuid:27b9dac9-e70b-4595-b292-916ecadbbab9> | 2.6875 | 241 | Listicle | Software Dev. | 27.885459 |
National Geographic magazine
Story by Mark Jenkins
Photography by Kevin Schafer
"The Amazon dolphin, Inia geoffrensis, parted company with its oceanic ancestors about 15 million years ago, during the Miocene epoch. Sea levels were higher then, says biologist Healy Hamilton of the California Academy of Sciences in San F... | <urn:uuid:5dffbcf8-71e1-43dd-98d0-93a7915cd26e> | 3.5625 | 470 | Truncated | Science & Tech. | 31.730846 |
Crashing into the Moon
A whole new space race has begun.
Over the next decade, the United States… Germany… England… Japan… India… China… Russia… and even a few private companies… have plans to send rockets to explore the moon.
They will map the lunar surface… search for clues to its origins… and find out what’s there t... | <urn:uuid:96ef5c2b-e667-48d7-8b5b-d530c5c00f71> | 3.203125 | 439 | Truncated | Science & Tech. | 49.750872 |
SEE:Ten things people want to know about Pythonfor more details.
- 'Faster' requires a bit of thought in practice. Language implementations, instead of language syntax, have a speed that can be measured on benchmarks. Python implementations can vary quite a bit, although dynamically typed languages usually perform slow... | <urn:uuid:2b541ddf-cfcf-442a-a646-b20c6d62d72f> | 3.34375 | 465 | Knowledge Article | Software Dev. | 26.452021 |
In one of the neutron-induced fission reactions of U-235(atomic
mass = 235.043922 ), the products are Ba -140 and Kr-93 (a
radioactive gas). What volume of Kr-93(at and 1.0 ) is produced
when 1.80 g of U-235 undergoes this fission reaction? Please
provide answer in L.
I got 24 for this, but it is wrong, so I appreciate... | <urn:uuid:efbcbb39-f7df-48e7-ad0b-0a69fb9d3c36> | 3.15625 | 100 | Q&A Forum | Science & Tech. | 97.367761 |
named-multiple-values.lisp might be considered to be a convenience library. It defines a single macro, called named-multiple-values:define-named-multiple-values. This macro generates two macros, whose names it returns. See the example.
Here is an example of what it can look like:
(define-named-multiple-values foo-value... | <urn:uuid:399c81dc-931f-48e5-89b9-6e422baca708> | 2.8125 | 824 | Documentation | Software Dev. | 48.589621 |
ERS-2 data used in
El Niño animation
A vivid animation based on data from ESA’s ERS-2 satellite shows the onset of the recent El Niño phenomena from July to December of last year.
Covering a large area of the Pacific Ocean from South America to Australia and southeast Asia, the animation demonstrates the three most imp... | <urn:uuid:5cfbe45b-8046-4ef1-9af7-f7f25f8bc993> | 3.6875 | 937 | Knowledge Article | Science & Tech. | 40.455311 |
The Cavity Model
The packing algorithm is based on a cavity model for the available space inside a frame. For example, when the main wish window is created, the main frame is empty and there is an obvious space, or cavity, in which to place widgets. The primary rule about the packing cavity is a widget occupies one who... | <urn:uuid:3f34f929-740b-4940-aa47-d5ff559c0ef2> | 3.125 | 484 | Tutorial | Software Dev. | 65.472353 |
Judy Turner's upward pointing icicle (Letters, 2 and 16 November) could be explained as follows.
Spider-web filaments are virtually invisible because our eyes hardly ever focus exactly on them.
Such a filament may have been anchored on a stone or something on the bottom of the birdbath, before it was refilled. Dewdrops... | <urn:uuid:5b60a919-1dd8-4e4e-a6b4-d8edbb8fb9ee> | 3.671875 | 171 | Truncated | Science & Tech. | 48.079165 |
The arrival of a new dwarf planet
in the solar system last week reminded me of the fierce argument over the definition of "planet"
that broke out in Prague in 2006, at a meeting of the International Astronomical Union
If things had gone differently in Prague, the newcomer Makemake would now be considered in the same br... | <urn:uuid:23b829c0-5909-4253-9ba2-b92036d2b1fc> | 3.421875 | 608 | Personal Blog | Science & Tech. | 45.519501 |
How To Compile Asm Code?
Posted 17 April 2007 - 03:22 PM
Posted 17 April 2007 - 03:58 PM
GCC can assemble (actually every compiler can)
from teh man page
DESCRIPTION When you invoke GCC, it normally does preprocessing, compilation, assembly and linking. The ‘‘overall options’’ allow you to stop this process at an inter... | <urn:uuid:72bb9974-3685-4df2-a4f7-d26064935d67> | 2.703125 | 399 | Comment Section | Software Dev. | 62.02221 |
Use DECLARE Statement in Procedure is used to define variable and its data type.
Understand with Example
The Tutorial illustrate an example from 'Use Declare Statement in Procedure'. To grasp this Example, we create a procedure 'abc'. The Query start with the BEGIN Section that include DECLARE statement which define a ... | <urn:uuid:b0a7baa0-8e22-446b-979a-1312d1bde0d9> | 3.453125 | 266 | Tutorial | Software Dev. | 57.561452 |
Lake Science (Home)
lesson plans at Westminster's
GSL Project site.
Paul Hooker: As a chemist,
I am interested in the chemical composition
of the lake and how it changes. At present
my research is focused on the element selenium
(Se). Though selenium is a nutritionally
essential element, it has also proven to
be toxic ... | <urn:uuid:8330d4cd-9b3f-4d82-b8f7-6b66976ffb5e> | 3.1875 | 547 | Knowledge Article | Science & Tech. | 46.573075 |
It’s been a while since I’ve posted a jaw-dropping high-res picture from Mars, so how about this one: a gorgeous shot of frost coating dunes on the surface of the Red Planet?
[Oh yes, you want to click that to enaresenate.]
This picture was taken by the HiRISE camera on board the Mars Reconnaissance Orbiter, which take... | <urn:uuid:45907a7e-0aaf-4136-85d4-9ec1c5fbb8a6> | 2.796875 | 1,834 | Personal Blog | Science & Tech. | 59.782584 |
Among the operating-system services that Core Foundation abstracts is memory allocation. It uses allocators for this purpose.
Allocators are opaque objects that allocate and deallocate memory for you. You never have to allocate, reallocate, or deallocate memory directly for Core Foundation objects—and rarely should you... | <urn:uuid:7d3c6c04-c4e9-4bbe-9b09-92ad5341abb7> | 2.71875 | 409 | Documentation | Software Dev. | 28.95874 |
Instead, these scientists were talking about chemistry — not just of the ocean water but of ocean animals themselves: their cells, tissues, and body fluids. They were noting the increased costs of living that come as a result of elevated carbon dioxide inside the body and how this added cost stresses marine life and ha... | <urn:uuid:44b3300b-1fca-4ceb-8aef-076fd213a413> | 3.6875 | 1,201 | Nonfiction Writing | Science & Tech. | 36.837603 |
Gravity Recovery and Climate Experiment
Artist's concept of the twin GRACE satellites
|Operator||NASA and German Aerospace Center (DLR)|
|Major contractors||Space Systems/Loral and Astrium GmbH|
|Mission type||Earth Orbiter|
|Launch date||March 17, 2002|
|Launch vehicle||Three-stage Rocket from Plesetsk Cosmodrome, Rus... | <urn:uuid:30d63474-9370-4a65-a8c9-72c92703ec5a> | 3.609375 | 1,576 | Knowledge Article | Science & Tech. | 30.806236 |
Estimates of Ground-Water Recharge Based on Streamflow-Hydrograph Methods: PennsylvaniaEntry ID: USGS_OFR_2005_1333
Abstract: This study, completed by the U.S. Geological Survey (USGS) in cooperation with
the Pennsylvania Department of Conservation and Natural Resources, Bureau of
Topographic and Geologic Survey (T&GS)... | <urn:uuid:c3cc6f90-c1a6-462f-add0-7759fd4c084d> | 3.234375 | 1,332 | Structured Data | Science & Tech. | 47.042604 |
You'll need a piece of paper suitable for folding (clean unlined paper or patty paper).
You should begin to see a curve appearing on your paper. The lines you have created are tangent to the curve. Compare your curve to that of the person next to you. In what ways are they the same? In what ways are they different?
Wha... | <urn:uuid:dfdfd78f-c0e0-4a60-9569-e3533f71e243> | 3.65625 | 1,347 | Tutorial | Science & Tech. | 82.508238 |
ABCD is a quadrilateral with AB horizontal and CD vertical. Angle BAD = angle BCD = 40 degrees and AB=BC=5. Show that angle CDB = angle ADB = 25 degrees.
Here is a diagram I made which I hope is correct:
By observing alternate angles, I can see that angle ADC = 50 degrees but how do I show that angle CDB = angle ADB? I... | <urn:uuid:d7c761b9-ed0f-4511-94ac-99838b141c83> | 3.03125 | 98 | Q&A Forum | Science & Tech. | 74.45862 |
Does the marine biosphere mix the ocean?
Dewar, W.K.; Bingham, R.J.; Iverson, R.L.; Nowacek, D. P.; St. Laurent, L.C.; Wiebe, P.H.. 2006 Does the marine biosphere mix the ocean? Journal of Marine Research, 64 (4). 541-561. 10.1357/002224006778715720Full text not available from this repository.
Ocean mixing is thought t... | <urn:uuid:ad68c9df-46c9-4bde-a152-17f6f1cdf6a9> | 2.703125 | 248 | Academic Writing | Science & Tech. | 56.893207 |
Research from the University of Southampton, which examines how dolphins might process their sonar signals, could provide a new system for man-made sonar to detect targets, such as sea mines, in bubbly water.
When hunting prey, dolphins have been observed to blow 'bubble nets' around schools of fish, which force the fi... | <urn:uuid:9627b261-2680-44f9-91a6-666f90f3eba3> | 3.4375 | 348 | Truncated | Science & Tech. | 37.395935 |
Git is a version control system, like "track changes" for code. It's fast, powerful, and easy-to-use version control system. But the thing that's really special about Git is the way it empowers people to collaborate.
All the projects on drupal.org are stored in Git, and there are millions of public projects hosted by G... | <urn:uuid:df561503-7283-423d-8885-68af221883ce> | 2.90625 | 336 | Personal Blog | Software Dev. | 61.477426 |
Tuesday 18 June
House spider (Tegenaria domestica)
House spider fact file
- Find out more
- Print factsheet
House spider description
The house spider (Tegenaria domestica) is probably the best known and perhaps the most hated of the British spiders, and is often encountered trapped in the bath (2). The house spider is ... | <urn:uuid:f6c91790-8b32-40d6-bb6c-a921117a0ffa> | 3.109375 | 1,349 | Knowledge Article | Science & Tech. | 39.178095 |
In the Wink of a Star
By Anna Edmonds
At about 2,400 light-years distance and located in a cluster of young stars called NGC 2264 in the winter constellation of Monoceros, the star KH 15D shines at full brightness for 48.36 days and then “winks” at astronomers (their whimsical term) 18 days. The star’s eclipse is remar... | <urn:uuid:45eb9233-5e58-433b-8841-9aec2b2b4823> | 3.484375 | 944 | Nonfiction Writing | Science & Tech. | 54.130811 |
New findings suggest that, contrary to current theory, life for young salmon is most treacherous in the sea.
Survival of young salmon has previously been thought to be most affected by disturbances and environmental quality in the freshwater lakes, streams, and rivers where they spend their early and late life stages. ... | <urn:uuid:62265713-b40b-43c4-8df1-0ce88a61739d> | 3.59375 | 518 | Knowledge Article | Science & Tech. | 41.64712 |
/NEW/ ENDANGERED SPECIES INFO – Here’s a website that’ll help you find and/or research endangered animal species. Individual species are listed alphabetically by name. Learn which are the world’s most endangered mammals and much more.
/NEW/ TEACHING CLIMATE CHANGE
· * From the US Environmental Protection Agency, “A Stu... | <urn:uuid:4281dc49-cb99-4f04-92c3-603b74daceab> | 3.609375 | 1,701 | Content Listing | Science & Tech. | 42.117639 |
I’ve been looking at the ASP.NET MVC framework for the past two weeks, and it has occurred to me that some of the simple things we may want to do when creating a web application may seem confusing to someone new to ASP.NET MVC – for example the task of creating a DropDownList control on a form. ASP.NET MVC provides a n... | <urn:uuid:1c75fbf5-6b07-425e-8a01-92fd2db561d0> | 2.796875 | 582 | Personal Blog | Software Dev. | 63.823408 |
Imagine how far you could kick a soccer ball if gravity didn't pull it toward the ground. On Earth we take gravity for granted -- especially when it comes to playing sports. When we shoot a basketball, we expect it to go down toward the ground after it goes through the hoop. If we turn a cartwheel, we know that we will... | <urn:uuid:1266216c-1f38-4c25-a274-57ec4650d9db> | 4.15625 | 710 | Knowledge Article | Science & Tech. | 58.564103 |
I think Stray covered most of what you asked, but I wanted to clear something up just a bit. Let's take humans as an example, our n (called a haploid number) equals 23. This means that there are a total of 23 unique chromosomes in a human gamete
. Normal, human, non-reproductive cells (anything but sperm and ovum) are ... | <urn:uuid:a58cd49b-6bb6-44c6-8f1b-1efa08459648> | 3.59375 | 751 | Q&A Forum | Science & Tech. | 45.319908 |
You may think that greenhouse effect is harmful to the environment because it is associated with global warming. The truth of the matter is that we need this phenomenon in order to live.
What Causes the Greenhouse Effect?
Some of the sun’s rays that hit the earth are deflected by a layer called ozone. The rest enters t... | <urn:uuid:dadf62e9-472a-45bc-bce6-f3af7184593b> | 3.875 | 615 | Knowledge Article | Science & Tech. | 42.260951 |
A parameter is declared with a name, followed by "as", followed by the type: paramname as type. If there is no "as type", then the type is assumed to be type object.
Callable Type + Event
Variable number of parameters
Boo allows you to call or declare methods that accept a variable (unknown) number of parameters.
You a... | <urn:uuid:e0abba01-cfed-446a-b665-68b6381e284d> | 3.265625 | 253 | Documentation | Software Dev. | 39.889474 |
There are four distinct numeric types: plain integers,
floating point numbers, and complex numbers.
In addition, Booleans are a subtype of plain integers.
Plain integers (also just called integers)
are implemented using long in C, which gives them at least 32
bits of precision (
sys.maxint is always set to the maximum
... | <urn:uuid:0cfea2fc-10ee-4195-b365-eae2ea739ddc> | 4.625 | 619 | Documentation | Software Dev. | 49.465094 |
I don’t think there’s any good evidence that things can actually travel faster than light. But in an expanding universe, the further apart two object are, the faster they are moving apart (you can test this by drawing pairs of dots on a balloon and blowing it up.
So if two galaxies are moving apart from one another, ea... | <urn:uuid:6729af24-0d71-4d56-b16f-a830feea15d1> | 3.671875 | 313 | Q&A Forum | Science & Tech. | 58.807433 |
Weirdest Object in the Solar System? July 16, 2009Posted by stcescience in Astronomy, planets.
Tags: Astronomy, dwarf planet, Haumea, Solar System
Matt Bulman has his blog at: http://stcescience.wordpress.com/
Taken From newscientist.com
Astronomers have recently discovered one of the strangest objects, to date, in our... | <urn:uuid:a6358914-ae6a-4cc0-830e-0469217a662c> | 3.53125 | 901 | Personal Blog | Science & Tech. | 51.275523 |
The Tower of Hanoi is an ancient mathematical challenge. Working on
the building blocks may help you to explain the patterns you
Take any prime number greater than 3 , square it and subtract one.
Working on the building blocks will help you to explain what is
special about your results.
What is the area of the quadrila... | <urn:uuid:a4b0d86a-d6ab-4b06-8d50-271d29874b44> | 3.25 | 298 | Content Listing | Science & Tech. | 57.244989 |
Deformation monitoring at Newberry
Ground deformation refers to any change in shape of the volcano, which can occur as a result of uplift or subsidence, stretching or contraction, or some combination of these types of movements. Levelling surveys measure vertical movements of the ground surface (uplift or subsidence). ... | <urn:uuid:0a27d4e2-4af8-4e1a-93fe-4980a16ad31d> | 3.53125 | 366 | Knowledge Article | Science & Tech. | 40.86014 |
Definite Clause Deduction
Tutorial Five (Supplementary): Syntax
For the most part, the syntax that the applet uses is the syntax used by CILog. However, it does not implement all of CILog's built-in features and functionality. There are three components in the language: terms, atoms, and clauses.
Terms: A term is a var... | <urn:uuid:ba2bb99a-45a6-4049-ace2-2f53a848c196> | 3.40625 | 462 | Documentation | Software Dev. | 58.144632 |
This bestiary briefly introduces some of
the species of extinct mammals discussed in various places in this site. Not
all the mammals described in the bestiary are Pleistocene extinctions; some
of the species described here died out as late as this century. Descriptions
include possible causes for why the creature went... | <urn:uuid:047fded3-8110-4a99-b8c0-1df2370270b7> | 3.09375 | 152 | Knowledge Article | Science & Tech. | 35.515115 |
Pointers and references are the different
1. pointers use the “*” and “->” operators and references use “.“
2. A pointer can be re-assigned any number of times while a reference can not be reassigned after
3.A pointer can point to NULL while reference can never point to NULL
4. You can't take the address of a reference... | <urn:uuid:106cc59e-e181-4f1e-b961-20ffd940334f> | 2.8125 | 132 | Q&A Forum | Software Dev. | 61.077609 |
Enzyme on Enzymes
Country: United States
Date: February 2006
How do enzymes break down enzymes?
Enzymes are simply proteins, so they can be broken down just like any other
of molecule. It doesn't matter if the molecule is a carbohydrate (lactose
lactase), fat (by lipases) or any other type of protein (like steak by
The... | <urn:uuid:77abda5b-6582-4018-9bb5-786a586d974c> | 3.828125 | 326 | Knowledge Article | Science & Tech. | 42.193571 |
Why Cannot Steel be See through?
Here is one that I have been trying to explain for some time but have
be unable to find a satisfactory answer: What makes something transparent?
I understand about the index of refraction, however, it seems
me that if a substance such as silicon can be made into transparent
glass, and a... | <urn:uuid:aaded5e0-6c6a-4eec-a927-10939a4bc343> | 3.59375 | 379 | Personal Blog | Science & Tech. | 40.876636 |
Here is the answer.
The java.util.Map interface represents a mapping between a key and a value. The Map interface is not a subtype of the Collection interface. Therefore it behaves a bit different from the rest of the collection types. the interface starts of it?s own interface hierarchy, for maintaining key-value asso... | <urn:uuid:4d6a0e1f-2c23-462e-9104-6ac060ef35b0> | 3.453125 | 347 | Q&A Forum | Software Dev. | 51.915575 |
Are There More Big Earthquakes Than There Used To Be?
How human activity affects the tectonic plates.
Read more about the Haiti earthquake in Slate.
A 7.0-magnitude earthquake struck Haiti on Tuesday, three days after a 6.5-magnitude quake rocked the extreme north of California. In total, there have been 270 earthquake... | <urn:uuid:0439312c-2b44-4cea-bcf2-72bf0f262ea6> | 3.984375 | 695 | Truncated | Science & Tech. | 47.705 |
Phenomena, Comment and Notes
When a drop of rain carries a particle of dirt off the land and into the sea, there are repercussions from deep within Earth to the nearer reaches of space
- By Stearns A. Morse
- Smithsonian magazine, April 1996, Subscribe
When drops of rain fall, some of them flow downhill, each carrying ... | <urn:uuid:27642190-2a60-4adc-afeb-e9b20d5db1a2> | 4.0625 | 776 | Truncated | Science & Tech. | 54.950714 |
The fires that are burning throughout the country offer a window into what we can expect in the future as the climate heats up. That grim assessment comes from Steve Running, a wildfire expert, ecologist and forestry professor at the University of Montana. Running was among the scores of scientists who, along with Al G... | <urn:uuid:82828003-5621-4f12-b629-f2aae871d52e> | 3.15625 | 626 | Audio Transcript | Science & Tech. | 58.147433 |
Last updated: October 12, 2011
|1. Gulf of Mexico|
This a chromatogram of oil that came from the Gulf of Mexico, but you can readily see that it is different from oil that came from Santa Barbara, Calif. (slide 2) or a different reservoir in the Gulf: the Macondo well (slide 3).
(Photos courtesy of Bob Nelson, Woods Ho... | <urn:uuid:4d608227-f743-4451-8878-5bece2595b70> | 3.390625 | 189 | Knowledge Article | Science & Tech. | 45.884412 |
Strict programming language
|This article does not cite any references or sources. (October 2006)|
A strict programming language is one in which only strict functions (functions whose parameters must be evaluated completely before they may be called) may be defined by the user. A non-strict programming language allows ... | <urn:uuid:c9aec2f6-2574-4400-bec4-497b5f4934b4> | 4 | 418 | Knowledge Article | Software Dev. | 26.961194 |
Sun dogs, or parhelia, are little back-up suns that appear on either side of the sun. They are the Pips to the sun's Gladys, the Lion and the Witch to the sun's Wardrobe, and they look way cooler than rainbows.
What is it that makes these parhelia possible? Only the most badass shape in the whole world: the hexagon. It... | <urn:uuid:f8ad7c9f-cdbe-4db1-8fe1-61c71f8f39c4> | 2.8125 | 580 | Personal Blog | Science & Tech. | 69.115681 |
post by NASA Science News , January 21, 2009
[Did you know a solar flare can make your toilet stop working?]
That’s the surprising conclusion of a NASA-funded study by the National Academy of Sciences entitled Severe Space Weather Events—Understanding Societal and Economic Impacts. In the 132-page report, experts detai... | <urn:uuid:59384748-ef2d-4959-bac1-bac50d401220> | 3.15625 | 1,171 | Personal Blog | Science & Tech. | 37.553736 |
Use this link for the String API (useful methods for this lab).
Methods you might need to use in this lab are: substring, contains, indexOf, replace, replaceAll
- Create two String variables. Assing "The best class ever,,," to the first String, and "and the best dxy ever" to the second string. Use different assignment ... | <urn:uuid:33009b8f-d873-41bc-b6c5-b4c3a1950fa6> | 3.734375 | 364 | Tutorial | Software Dev. | 69.14955 |
How do the "drift tubes" in linear particle accelerators
shield the charged particles from the electric charges that would
otherwise slow them down? Also, how is alternating current used to
generate these electrical fields?
Stray electric fields are kept out of the drift region by completely
surrounding it with a condu... | <urn:uuid:2ad0cd15-663c-4b80-873a-654b26729584> | 3.75 | 128 | Knowledge Article | Science & Tech. | 50.13 |
Sun and Wind
Name: Richard G.
What effect does the sun have on wind direction on hills,
mountain tops and passes.
The solar influence on wind direction applies only in situations such
as land-sea interfaces, where a sea-breeze or land-breeze
becomes established due to daytime heating, and nighttime cooling. Air
drainag... | <urn:uuid:ab1cd12f-eaa8-4bef-82e0-3fa0e4a87170> | 3.28125 | 169 | Knowledge Article | Science & Tech. | 42.427115 |
In a June communication to the Journal of Materials Chemistry, the NIU researchers report on a new method that converts carbon dioxide directly into few-layer graphene (less than 10 atoms in thickness) by burning pure magnesium metal in dry ice.
Journal of Materials Chemistry - Conversion of carbon dioxide to few-layer... | <urn:uuid:ecf3b190-2f9e-4bf3-ba59-a03bba04fe9b> | 3.328125 | 431 | Truncated | Science & Tech. | 25.849161 |
Chapter 17 - Coastal Processes and Tides
17.6 Important Concepts
- Waves propagating into shallow water are refracted by features of the seafloor,
and they eventually break on the beach. Breaking waves drive near-shore currents
including long-shore currents, rip currents, and edge waves.
- Storm surges are driven by st... | <urn:uuid:9b7e8a29-8eb5-4063-b99e-17a7869aac1b> | 4.28125 | 393 | Knowledge Article | Science & Tech. | 32.890249 |
The gravitational interactions of numerous massive objects are too complex to solve exactly. There are simplified solutions where the gravitational pull of one object is ignored. Such solutions are reasonable approximations to the situation where one body is much more massive than the other, such as a star being orbite... | <urn:uuid:541ad6c8-934b-4dca-9f18-f0a503bae455> | 3.453125 | 553 | Q&A Forum | Science & Tech. | 41.911475 |
Binary systems share stardust
Nov 19, 2009 2 comments
Telescopes now routinely yield detailed images of the cosmos, and in the process help unravel some of the mysteries surrounding our own existence. But one big unanswered question is how the Earth and our planetary neighbours were created from the primordial dust sur... | <urn:uuid:f7bb51e8-5942-45ca-9587-bbaf5dca1de5> | 3.515625 | 417 | Truncated | Science & Tech. | 34.070878 |
Krammer 2003 Category: Asymmetrical biraphid
TYPE SPECIES: Navicymbula pusilla Krammer
The valve outline is very slightly asymmetric to the apical axis, valves are nearly naviculoid in appearance. The raphe is positioned in a nearly central position on valve. The distal raphe ends are deflected dorsally. Striae are lin... | <urn:uuid:47dcb869-40dd-4b88-aac2-3d3a092303b8> | 2.796875 | 205 | Knowledge Article | Science & Tech. | 31.967273 |
Recent papers on astro-ph
The Origin of Jets
DISK ACCRETION TO MAGNETIZED STARS
3D SIMULATIONS OF DISK ACCRETION TO AN INCLINED DIPOLE. HOT SPOTS AND VARIABILITY
Disk accretion to a rotating star with a misaligned dipole magnetic
field has been studied further by three-dimensional MHD simulations.
This work focuses on t... | <urn:uuid:262553b3-1bd0-49b4-adfb-47d3f1a3243c> | 2.765625 | 628 | Academic Writing | Science & Tech. | 51.588068 |
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.
...some species can tolerate highly saline or alkaline waters—such as Ephydra riparia, a species that inhabits the Great Salt Lake in Utah. Anothe... | <urn:uuid:9e28905c-48ab-4940-b8d2-531113ae78a8> | 2.84375 | 136 | Truncated | Science & Tech. | 48.553929 |
Searching a Substring Within a String
Searching a substring within a string is another common task in text-oriented apps. The Standard Library defines several specialized overloaded versions of string::find(). These overloaded versions take const string&, const char *, or char as a sought-after value. For the sake of b... | <urn:uuid:c41b1d30-bed2-4eb0-b070-03d7a8782ab3> | 3.703125 | 611 | Documentation | Software Dev. | 47.980315 |
One would like to present a consistent view of mathematics. Often, however, the mathematics that one is involved with at the moment tends to colour the view. For example, I can currently teaching two courses: (a) Discrete mathematics and (b) The theory of computation. The enclosed view of the role of infinity in mathem... | <urn:uuid:120a4869-63dc-4367-a4ee-63b26227211c> | 3.375 | 779 | Personal Blog | Science & Tech. | 38.305566 |
Petrified Forest is a National Park where the largest concentration of petrified wood is found. Unlike Florissant where the stumps are found right where the trees were growing, these trees grew 225 million years ago in a vast forest on nearby mountains. They were washed away in a flood and buried in the bottom of a riv... | <urn:uuid:ab5eb44d-9128-465c-98eb-9bc6e57bad05> | 3.421875 | 134 | Knowledge Article | Science & Tech. | 45.584824 |
Earth versus Galactic Orbital Planes
Date: May 2, 2011
In relationship to the Milky Way would Earth actually be
on its side? The Milky Way band moves in the night sky which leads
me to believe Earth's rotation is 90 or 180 degrees different from
the Milky Way's rotation.
The difference between the celestrial and galact... | <urn:uuid:c982ad10-39d8-456e-8c72-7534266e1cf5> | 3.296875 | 154 | Q&A Forum | Science & Tech. | 60.989037 |
Physics has given us a great many simple principles that make it easier to understand what’s going on in the world, some better-known than others. To wit: Every action has an equal and opposite reaction; what goes up must come down—both classics, for good reason. And the blingiest of the axioms, E=mc², is particularly ... | <urn:uuid:33c7e530-0cc4-49f6-874c-ec0b0d4783a2> | 3.171875 | 493 | Truncated | Science & Tech. | 66.367244 |
The discovery that helium-3 at extremely low temperatures could become, like helium-4, a superfluid--having no viscosity whatsoever--earned David Lee and Robert Richardson of Cornell University and Douglas Osheroff of Stanford University a 1996 Nobel prize. But in fact, studying this wondrous substance since then has p... | <urn:uuid:f789a35d-c236-4fb2-a10b-d1ead3ee497a> | 3.25 | 272 | Knowledge Article | Science & Tech. | 26.807384 |
This section applies to Unix-based environments that have signals or multithreading. The Windows version is compiled for multithreading, and Windows lacks proper signals.
We can distinguish two classes of embedded executables. There are small C/C++ programs that act as an interfacing layer around Prolog. Most of these ... | <urn:uuid:5b50d616-e718-4823-b992-1c0b744acd0f> | 3.359375 | 410 | Documentation | Software Dev. | 44.648246 |
Human Fingerprint in Sea Temps?
In the ongoing battle to persuade the world that
global warming is real and is a problem, advocates are waging a
two-pronged attack. And each prong is heavily based on global climate
models that have accounted for the largest portion of the research
dollars "invested" in this issue.
Not ... | <urn:uuid:ad4d7b69-756c-4b5c-b14b-856e05ba3a44> | 2.953125 | 1,879 | Nonfiction Writing | Science & Tech. | 57.228903 |
© 2004 Renaud Boistel (1 of 1)
Country distribution from AmphibiaWeb's database: French Guiana
IUCN (Red List) status: Data Deficient (DD).
This species is reported to range through French Guiana and adjacent Suriname, south to the Manaus area of Brazil. However, there is serious uncertainty as to what species is cover... | <urn:uuid:c849d984-33b8-4bca-b704-fa544ea513c6> | 2.875 | 262 | Knowledge Article | Science & Tech. | 41.705909 |
Convention on Biological Diversity
Convention on Biodiversity
The convention on biological diversity is a treaty that was formed in 1992 at the Earth Summit. They have three main objectives, are
- To conserve biological diversity,
- To use biological diversity in a sustainable fashion,
- To share the benefits of biolog... | <urn:uuid:4d59dc81-4006-4d2f-8cc4-e37020a0b23a> | 3.59375 | 208 | Knowledge Article | Science & Tech. | 42.565169 |
Texas has nearly hit the drought crossover point. Drought severity right now statewide is similar to severity a year ago at this time. Specifically:
The last time 10% of the state was not abnormally dry: February 15, 2011.
The last time only 81% of the state was in drought: March 8, 2011.
The last time only 56% of the ... | <urn:uuid:1c0da2bd-21e9-4b33-8406-f4bc93629b82> | 2.734375 | 2,033 | Knowledge Article | Science & Tech. | 49.657384 |
“Scientists are exploring dripping passages by the light of headlamps, mapping out an ecosystem from 307 million years ago, just before the world’s first great forests were wiped out by global warming. This vast prehistoric landscape may shed new light on climate change today.
Dating from the Pennsylvanian period of th... | <urn:uuid:9dece1de-4e6f-48e1-9da6-222cfdb13227> | 3.3125 | 345 | Personal Blog | Science & Tech. | 53.012462 |
Brief SummaryRead full entry
Description"Blainville's beaked whale is found worldwide in warm temperate to tropical waters. Small pods of 3-7 whales have been seen off Hawaii in waters 700 to 1,000 m deep, near much deeper water. None have been seen near the British Isles, but one was recorded from Portugal and one fro... | <urn:uuid:ae205b46-a709-485c-a57a-d28bfbf03fde> | 3.34375 | 179 | Knowledge Article | Science & Tech. | 55.929 |
As the world fossil fuel reserves diminish, alternate energy sources will become increasingly important. One of the most commonly discussed forms of alternative energy is nuclear power. Although there are a number of pros and cons to nuclear power generation, one aspect that has received some attention in the news over... | <urn:uuid:cf6c67d3-240c-4e25-99fa-56ceb48c8168> | 3.84375 | 1,419 | Academic Writing | Science & Tech. | 43.40673 |
Oceans cover 70% of the Earth’s surface and support an extraordinarily diverse world. More than one million species live on coral reefs alone, and perhaps as many as 10 million in the deep seas. But only a fraction of these have been discovered so far and much of ocean life remains a mystery. IUCN experts are striving ... | <urn:uuid:1f3e56fc-b739-41a1-8f14-522a4e918c52> | 2.875 | 303 | Content Listing | Science & Tech. | 46.510014 |
A super conductor is an electrical conductor that allows current to flow without any resistance in low temperatures. This allows development of technologies such as high temperature magnetic levitation vehicles which accelerate to high speeds without any Resistance. The following video explains the three defining chara... | <urn:uuid:7f8f945a-d41d-457e-8a9b-b216d32b3a74> | 3.828125 | 148 | Truncated | Science & Tech. | 33.459983 |
So far in our 2012 blog series, we’ve dealt with the Mayan calendar and claims of a planetary alignment. Another claim making the rounds says that on December 21, 2012, Earth, our Sun, and the galactic center will align, and something about this alignment will cause Earth to be annihilated.
This claim is trickier than ... | <urn:uuid:e016991a-9534-4b19-80a1-08cf58a045ab> | 3.296875 | 378 | Personal Blog | Science & Tech. | 60.50538 |
Will Godzilla save the U.S. West Coast from Hedorah? Via ScienceDaily:
The first anniversary is approaching of the March, 2011, earthquake and tsunami that devastated Fukushima, Japan, and later this year debris from that event should begin to wash up on U. (Read more…)S. shores — and one question many have asked is wh... | <urn:uuid:168fb5be-2397-4435-8a66-288dd90347db> | 2.796875 | 232 | Truncated | Science & Tech. | 46.596144 |
Nov. 19 & 20, 2008 – The spacecraft passed the System Integration Review at Ball Aeropsace,
so we can proceed to assemble and test the flight system.
Nov. 17, 2008 – The WISE team completed an end-to-end test of the data system, sending data from the
instrument through the spacecraft, transmitting to the
geosynchronous... | <urn:uuid:1ddf1cf0-5549-42bc-8bdf-688f934b290c> | 2.828125 | 489 | Content Listing | Science & Tech. | 54.315754 |