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Because of all the traffic on this post, I wanted to clarify that I am completely convinced that there is lots of plastic in the North Pacific Gyre, and that it is a serious environmental problem. My issue with the plastic:plankton ratio is that it doesn’t accurately measure the amount of plastic.
The Algalita Marine R... | <urn:uuid:9b6c263a-e508-4125-8f7e-cd19a7a54c5b> | 2.890625 | 1,636 | Personal Blog | Science & Tech. | 57.846669 |
It was all lined up even without the colorful aurora exploding overhead.
If you follow the apex line of the recently deployed monuments of
Arctic Henge in
Raufarhöfn in northern
Iceland from this vantage point, you will see that they point due north.
A good way to tell is to follow their apex line to the line connectin... | <urn:uuid:c6584ade-bb17-4334-8810-6c9e05324ca3> | 2.734375 | 221 | Personal Blog | Science & Tech. | 48.091987 |
CLICK ON THE GRAPHIC TO SEE AN ENHANCED IMAGE.
Is there an association between the tropospheric ΔT and the Intensity of the Intergalactic Cosmic Ray (IICR)? The superposition of the graph on the oscillations in the Tropospheric temperature to compare it with the graph on the Intensity of Cosmic Rays (IICR) that collide... | <urn:uuid:a12e0ad7-609f-4dde-8bcd-e237b0f3dc33> | 3.125 | 1,545 | Knowledge Article | Science & Tech. | 63.212217 |
Web Application Development
A web application is a programme that can only be accessed via an Internet browser and the data it provides is primarily stored online. You may not realise it but web applications are now widely spread across the Internet and you'll already be familiar with them if you're a regular web user.... | <urn:uuid:12eb5d24-7d07-46c5-b40a-37b966b94894> | 2.8125 | 338 | Knowledge Article | Software Dev. | 34.995821 |
Energetic Ring Marks Spot That Leads to Discovery of Neutron Star
The Chandra image of the distant supernova remnant SNR G54.1+0.3 reveals a bright ring of high-energy particles with a central point-like source. This observation enabled scientists to use the giant Arecibo Radio Telescope to search for and locate the pu... | <urn:uuid:3976f0ec-1672-4e89-821d-67bc65b2e918> | 3.359375 | 361 | Knowledge Article | Science & Tech. | 47.126791 |
Species at Risk
At the same time heroic efforts are being undertaken to restore wolves in the lower 48 states, wolves in Alaska are often the victims of controversial predator-control programs.
Millions of bison once thundered across the Great Plains. Today, wild bison are making a small comeback, but they need more ro... | <urn:uuid:02f14e96-9f2c-4389-adbf-87271a2de103> | 3.375 | 410 | Content Listing | Science & Tech. | 50.826913 |
Two types of derecho may be distinguished based largely on the organization and behavior of the associated derecho-producing convective system. The type of derecho most often encountered during the spring and fall is a serial derecho. The second type is a progressive derecho, associated with a relatively short line of ... | <urn:uuid:d7bda5b9-0024-46f4-bf38-5c4ccd10deb6> | 3.9375 | 424 | Knowledge Article | Science & Tech. | 42.015714 |
The script runs again when you release and press the scroll button again. This time the "if" argument can't be evaluated to a null, since we have a definite value (5000) stored in the up_last_click variable. Lets assume you pressed the button exactly one quarter (1/4) second after the first press, and lets step through... | <urn:uuid:629aef70-4501-43e7-baaa-aa93b863f944> | 2.8125 | 572 | Documentation | Software Dev. | 61.557856 |
equalp x y => generalized-boolean
Arguments and Values:
generalized-boolean---a generalized boolean.
Returns true if x and y are equal, or if they have components that are of the same type as each other and if those components are equalp; specifically, equalp returns true in the following cases:
equalp does not descend... | <urn:uuid:cb9c9f62-975c-4029-a45f-add83b7ec57e> | 3.25 | 621 | Documentation | Software Dev. | 56.555885 |
Theory of Spontaneous Generation
Name: Jessica B.
I am doing an experiment about the Theory of Spontaneous
Generation. I have done three tests with bread then placing them in petri
dishes. The first bread was dry, second got 40 water drops and third got
40 sucrose drops (5% sucrose solution). I wanted to know which one... | <urn:uuid:226351bb-cd3b-45e3-aa4b-b609b4254f02> | 2.875 | 1,308 | Q&A Forum | Science & Tech. | 57.099038 |
Lightning and Trees
Why when lightening strikes a tall pine tree it creates a clockwise
spiral around the outside of the tree. I think the the electrical
circuit between the cloud and the ground interacts with the earths
magnetic field causing the charge ions to spiral and this charge going
up and down the bark causing... | <urn:uuid:f092b49a-bc92-4261-854d-faf514ce3b2d> | 3.484375 | 307 | Q&A Forum | Science & Tech. | 42.136462 |
Genomes to Life: A DOE Systems Biology Program
Genomics and Its Impact on Science and Society: The Human Genome Project and Beyond
Genomes for Bioenergy
Cellulosic Biomass: An Abundant, Secure Energy Source to Reduce
The United States now produces 7 billion gallons
of corn-grain ethanol per year, a fraction of the 142 ... | <urn:uuid:d7e5ae5e-d121-4375-84ce-eabb569338bf> | 3.296875 | 385 | Knowledge Article | Science & Tech. | 25.045441 |
|Feb21-13, 06:20 PM||#1|
Cool examples of radiometric dating?
So, I know that C-14 dating is being used now to solve crimes/identify bodies. Any other examples of it being used for things besides dating really old rocks/fossils? I'm teaching an Earth Science class and I want to show them a few cool articles.
|Feb22-13,... | <urn:uuid:4d7b0f6b-39f2-40cd-9ddc-44aea3632785> | 3.34375 | 1,726 | Comment Section | Science & Tech. | 47.714148 |
A few years ago, there seemed to be a risk that the Large Hadron Collider (LHC) at CERN would destroy Earth. The risk was based on speculative, if serious, physics. The probability that Earth would be destroyed seemed low because the theories that allowed trouble were speculative. Nevertheless, even given a small proba... | <urn:uuid:eb31d4bf-0a5a-4922-b702-d2898be68370> | 3.390625 | 317 | Comment Section | Science & Tech. | 41.555581 |
Build your own spectrophotometer
- Take a 100 W light bulb, a light-dependent resistor, a prism or grating in front of a slit, and a curtain - and voilà , a DIY spectrophotometer
For many students the spectrophotometer has become a 'black box' into which a sample is placed, and from which the analytical data appear. By... | <urn:uuid:d7afb97c-1ec1-42b3-9d97-6f9c067d905b> | 3.3125 | 2,454 | Academic Writing | Science & Tech. | 38.742974 |
Can Captured Carbon Save Coal?; June 2009; Scientific American Earth 3.0; by David Biello; 8 Page(s)
Like all big coal-fired power plants, the 1,600-megawatt-capacity Schwarze Pumpe plant in Spremberg, Germany, is undeniably dirty. Yet a small addition to the facility—a tiny boiler that pipes 30 MW worth of steam to lo... | <urn:uuid:3a1b2c8c-ba31-4a02-a7b3-c4e7e098a265> | 3.84375 | 211 | Truncated | Science & Tech. | 45.093684 |
EXPERIMENT 3 INEXTINGUISHABLE FLAME Place a funnel against the flame of a candle and blow it through the thin end. The flame of candle won’t so much as stir, although the stream of air from the funnel would seem to be striking the flame directly. You might think that the funnel is far way from the flame and bring the f... | <urn:uuid:f87335d9-8105-4f2f-bf04-09a08d63d1b9> | 4 | 241 | Tutorial | Science & Tech. | 60.655695 |
Previous | Session 52 | Next | Author Index | Block Schedule
D.F. de Mello (GSFC/CUA), J.P. Gardner (GSFC)
We present the analysis of the morphology of star-forming galaxies using the Great Observatories Origins Deep Survey done with the Hubble Space Telescope. These objects are characterized by single, double or multi... | <urn:uuid:4a1f0d1d-2a57-4315-b84a-9b91b7757b11> | 2.859375 | 240 | Academic Writing | Science & Tech. | 45.760747 |
© 1994, Astronomical Society of the Pacific, 390 Ashton Avenue, San Francisco, CA 94112.
by George Musser, Astronomical Society of the Pacific
Convection in a pot. The flames under the pot heat the water on the bottom. As the water gets hotter, it expands and rises. The colder water above it sinks down to the bottom, w... | <urn:uuid:9e5306e8-4162-447c-b1a6-e666e64ccb0f> | 4.0625 | 1,494 | Knowledge Article | Science & Tech. | 64.21719 |
Looking down a microscope always reminds us how much we can’t see with the naked eye. The winners of the 2011 International Science and Engineering Visualization Challenge provide a tantalizing glimpse into the micro- and nanoscopic world.
This image of a thin slice of a mouse’s eye, above, was dyed so that different t... | <urn:uuid:4d0cecbb-d498-44a5-bc60-6b8a04b5dc13> | 3.4375 | 285 | Personal Blog | Science & Tech. | 41.277157 |
Numbers can be powerful things, but they don't necessarily help the average person grasp what's actually going on in science. Instead, personal stories tend to make a bigger impact. And that's understandable. Things you can see—or things that someone can show you—are going to stick in your head a bit more than a barrag... | <urn:uuid:6448fea8-eeb4-4015-8112-2414cf78682d> | 2.875 | 388 | Personal Blog | Science & Tech. | 57.842518 |
Texas Bats Having Tough Time Amid Drought
The drought affecting Texas this summer is giving resident bats a hard time. The lack of moisture has depleted the insect population so that bats are having to depart early from their daytime dwellings because they have to travel farther to find enough to eat.
At Bracken Bat Ca... | <urn:uuid:eaf1cab1-8dd6-42a4-a78a-df1369f551f1> | 3.125 | 255 | Truncated | Science & Tech. | 41.024 |
(1791 - 1867)
Born to a poor family in London, he was extremely curious, questioning everything. He felt an urgent need to know more. At age 13, he became an errand boy for a bookbinding shop in London. He read every book that he bound, and decided
that one day he would write a book of his own. He became interested in ... | <urn:uuid:ac78c6fa-9d91-41ab-8a9a-2566599c1853> | 3.515625 | 225 | Knowledge Article | Science & Tech. | 36.852345 |
(Submitted March 14, 1997)
Just curious about Black holes, and I wanted to know if the gravitational
field of a black hole would pull an object in faster than the speed of
light. If I understand correctly objects cannot go faster than the speed
of light our they would be going back in time. If the acceleration of a
bla... | <urn:uuid:068fe93d-4115-4c67-8aac-a3fe492035ca> | 3.53125 | 228 | Q&A Forum | Science & Tech. | 59.182778 |
Let's imagine that you and a friend could converse on the planet Venus — without having to worry about the lack of oxygen, crushing pressure, and beyond boiling temperatures. Your friend would sound so different that you'd actually see her differently.
That's one of the more intriguing conclusions from a team led by th... | <urn:uuid:5967a76f-a3d1-4d66-9f07-1f6c4542f4bd> | 3.78125 | 508 | Truncated | Science & Tech. | 50.458865 |
Science strides through revolutions, but people
often refuse to accept revolutionary concepts at first place. This
describes the emergence of the Planck's equation. In classical physics,
energy of electromagnetic (EM) radiation was thought to be absorbed
or emitted continuously. It wasn't until late 1900 the German sci... | <urn:uuid:2d926c2c-45ef-4986-84fc-1525a575cc1e> | 4.03125 | 540 | Knowledge Article | Science & Tech. | 43.039722 |
Helium is the second lightest gas and follows hydrogen. Helium is very valuable in the scientific world and has many applications in the non-scientific world, too. It is extremely useful and practical. Helium is inert which means it won’t combust when combined with air and energy and it is far lighter than air.
Liquid ... | <urn:uuid:35891d59-4106-4383-8492-49b07927f615> | 3.265625 | 322 | Personal Blog | Science & Tech. | 50.627634 |
Satyendra Nath Bose developed statistical methods, later utilized by Albert Einstein, to describe the behavior of massless photons and massive atoms, as well as other bosons. This "Bose-Einstein statistics" described the behavior of a "Bose gas" composed of uniform particles of integer spin (i.e. bosons). When cooled t... | <urn:uuid:1e9ed7e7-0087-4fa7-b3bd-264443c68bf6> | 3.328125 | 171 | Knowledge Article | Science & Tech. | 25.215276 |
I was thinking about Hydrogen balloons and that large ones which are used for weather balloons which sometimes go up to 100,000 ft (approx 30km). Then I was wondering, how much potential energy has the balloon gained with the balloon and the weight it carries to get up to 100,000 ft. It seems the object would have a lo... | <urn:uuid:05b7c7cc-95bb-4f4d-9b34-1ba12db0bcf6> | 3.609375 | 391 | Q&A Forum | Science & Tech. | 59.396176 |
1). Learning About Snake Facts And Behaviors By : Stephanie Davies
This article teaches you about why snakes behave the way they do, and how to handle a snake encounter. Also includes information on identifying venomous and non-venomous snakes.
2). Need To Cool Down? Use A Dehumidifier! By : James Monahan
A dehumidifie... | <urn:uuid:b0110f12-cd24-4674-9ac0-b66a62a5976c> | 2.75 | 1,874 | Content Listing | Science & Tech. | 56.296479 |
The Audubon Insectarium in New Orleans just bred these rare pink katydids and I find them captivating/delicious.
Pink Katydid Facts:
• The parental katydids, both pink, were brought to Audubon Insectarium during
the summer of 2008 as donations by visitors.
• The pink katydids were sent off to Cokie Bauder, Manager of A... | <urn:uuid:a2de6573-0dd4-4489-8dce-8771c02488b0> | 2.75 | 232 | Personal Blog | Science & Tech. | 30.654115 |
[Twisted-Python] Deferred usage clarification
andrew-twisted at puzzling.org
Sun Jun 1 20:31:39 EDT 2003
On Sun, Jun 01, 2003 at 08:05:02PM -0400, Gary Poster wrote:
> Hi. A newbie question: I'd like a bit of clarification in Deferred
> usage. More specifically, it would be nice if one of the examples on
> the Twisted ... | <urn:uuid:0f42daa2-4fa4-4ec8-adb7-0e32db2a8ca9> | 2.75 | 545 | Comment Section | Software Dev. | 64.260038 |
While the vast majority of scientists today assert that humans contribute to the earth’s increasing temperatures, there is still a debate going on among politicians and journalists over the facts for global warming.
Facts For Global Warming
- The 10 hottest years recorded were in the past 12 years. Since record-keeping... | <urn:uuid:fc896c8d-ce08-4071-825d-25e3b44b72ea> | 3.203125 | 476 | Personal Blog | Science & Tech. | 58.937422 |
The Uses of Set Theory
The Mathematical Intelligencer, Vol. 14, No. 1 (1992), 63-69.
In this article Roitman gives six examples from analysis, algebra, and algebraic topology whose results make use of modern set-theoretic techniques. These examples are
The ideal of compact operators
The purely analytic question "Is the... | <urn:uuid:35976f1a-24c4-461f-b931-5da9a6a0e4ce> | 3.203125 | 404 | Academic Writing | Science & Tech. | 26.240772 |
Science Fair Project Encyclopedia
Four color theorem
The four color theorem states that every possible geographical map can be colored using no more than four colors in such a way that no two adjacent regions receive the same color. Two regions are called adjacent if they share a border segment, not just a point.
It is... | <urn:uuid:c00df222-69aa-48ee-bcef-a4474694b16d> | 4.125 | 1,839 | Knowledge Article | Science & Tech. | 50.776676 |
The North America nebula
on the sky can do what the
North America continent
on Earth cannot -- form stars.
Specifically, in analogy to the Earth-confined continent, the bright part that appears as Central America and
is actually a hot bed of gas, dust, and newly formed stars known as the
The above image
shows the star ... | <urn:uuid:7a6f6f06-a253-49f3-8004-76b9beaf1685> | 3.65625 | 137 | Knowledge Article | Science & Tech. | 29.332453 |
The pattern of seasonal maximum temperature odds across Australia
is a result of the combined effects of above average temperatures
in the Indian Ocean immediately to the west of Australia and cooler than average
waters in the central to western equatorial Pacific in association with the decaying
La Niña pattern.
Avera... | <urn:uuid:5bc7d822-53a7-41ae-af62-5eb94868a1ba> | 3.234375 | 380 | Knowledge Article | Science & Tech. | 25.841475 |
GLUT stands for OpenGL Utility Toolkit. Mark J. Kilgard implemented it to enable the construction of OpenGL applications that are truly window system independent. Thanks to GLUT, we can write applications without having to learn about X windows or Microsoft’s own window system. Kilgard implemented the version for X win... | <urn:uuid:6ce634d6-b017-4175-8fa4-6aa84177fe69> | 2.984375 | 389 | Tutorial | Software Dev. | 61.013341 |
Yahaya, Muhammad and Yap, Chi Chin and Salleh, Muhamad Mat (2009) Energy Conversion: Nano Solar Cell. INTERNATIONAL WORKSHOP ON ADVANCED MATERIAL FOR NEW AND RENEWABLE ENERGY . ISSN 0094-243X
Full text is not hosted in this archive but may be available via the Official URL, or by requesting a copy from the correspondin... | <urn:uuid:c89e688e-93e3-48a9-bdcd-4d2a24dac9ab> | 2.703125 | 543 | Academic Writing | Science & Tech. | 42.162867 |
Rocky extrasolar planets thought to be half frozen and half scorched might instead rock back and forth, creating large swaths of twilight with temperatures suitable for life.
Because of gravitational tugs with the objects they orbit, rocky bodies often settle into trajectories in which they always show the same face to... | <urn:uuid:5be04ec5-01af-4dcc-a682-d95cdf79e172> | 3.28125 | 953 | Comment Section | Science & Tech. | 51.960326 |
This thread is in response to this site suggestion
The basic difference between a coding language and a scripting language is that the coded languages are compiled and the scripted languages are interpreted. Naturally other differences exist, but I'm not trying to be comprehensive or complete here.
C++ is probably the ... | <urn:uuid:554d8347-5a04-49c0-afef-630a1d470820> | 3.234375 | 260 | Comment Section | Software Dev. | 47.78086 |
There are several
kinds of fuel cells, but in principle, every fuel cell operates
something like a battery. It will produce energy in the form
of electricity and heat as long as fuel is supplied.
cell consists of two electrodes sandwiched around an electrolyte.
Oxygen passes over one electrode and hydrogen over the oth... | <urn:uuid:5d35826b-9cdb-4001-8223-652e54d46fe6> | 4.34375 | 284 | Knowledge Article | Science & Tech. | 42.235612 |
The Environment of the Earth in the Past
Calculations show that the Earth had large oceans very early in its history. During this time the Earth should have been frozen because of the weak luminosity of the sun at that time, nevertheless the fact that there was a large and vigorous ocean suggests that the Earth must ha... | <urn:uuid:47df22dd-f71c-4cbd-8dc0-d2150760c669> | 4 | 300 | Knowledge Article | Science & Tech. | 45.222692 |
The nearby or "local" universe, an area that extends about 380 million light-years away from Earth, contains many galaxy clusters, i.e., gravitationally bound groups of about 100 to more than 1000 galaxies. These clusters are connected with each other and make up a huge network of galaxies called the "large-scale struc... | <urn:uuid:afec4632-967a-4bce-86b1-5c70de1683d3> | 3.9375 | 1,057 | Academic Writing | Science & Tech. | 26.581806 |
HW: p 623, #13.1. Modify the
third homework from last week to use exception handling to catch and
record non-integer inputs. Find the total of all the valid inputs
and produce a list of the non-valid inputs after reporting the sum.
You will need a String Array to keep track of the invalid inputs.
HW: p 624, #13.3 Inste... | <urn:uuid:0f9997ea-7756-40f8-8a88-c290322223f9> | 2.6875 | 176 | Content Listing | Software Dev. | 75.612154 |
Out to sea
From the Amazon to Antarctica, oceanographer Patricia Yager tracks climate change
Patricia Yager studies how the climate is changing the ocean, how the ocean is responding, and how that relates back to the climate.
That’s pretty big-picture stuff. Luckily, Yager, associate professor in the Department of Mari... | <urn:uuid:a17bebd1-9ba4-4c27-aecd-77ba076ddae4> | 2.734375 | 3,033 | Nonfiction Writing | Science & Tech. | 60.237239 |
Perhaps one of the most useful yet taken-for-granted accomplishments of the recent centuries is the development of electric circuits. The flow of charge through wires allows us to cook our food, light our homes, air-condition our work and living space, entertain us with movies and music and even allows us to drive to w... | <urn:uuid:63d86883-187a-48e1-a98f-7e4f4e0104e2> | 3.859375 | 481 | Truncated | Science & Tech. | 39.863333 |
A crater doublet formed by the simultaneous impact of the two fragments of a split projectile, or of two mutually orbiting impactors, is seen in this DAWN FC frame. The area outside the larger crater in which the crater doublet formed features a high density of smaller craters, locally in clusters or chains. The area s... | <urn:uuid:8b556341-2898-4725-85ff-bda218afa770> | 3.359375 | 347 | Knowledge Article | Science & Tech. | 47.799882 |
The top three pictures show a microburst in action. Dust and dirt caught in the air make the path of the wind visible. The bottom picture shows tree damage from the 70-90 mph (112-145kph) straight line winds of a microburst. This microburst was part of a severe thunderstorm that went through Lawrence, KS on March 12, 2... | <urn:uuid:20442c71-36ca-41e8-b254-39ca815d1dac> | 4.0625 | 869 | Knowledge Article | Science & Tech. | 62.892414 |
From Science Daily:
I first realized the magnitude of the Himalayas' melting glacier problem from Al Gore's "An Inconvenient Truth." In the documentary, Gore explained that Himalayan glaciers are the source of the the most important rivers in Asia, and thus billions of people.
ScienceDaily (Feb. 22, 2009) — Glaciers th... | <urn:uuid:c233278a-00a2-44ab-bfd2-5ea8bcb7b052> | 3.015625 | 531 | Personal Blog | Science & Tech. | 45.128005 |
The "goto" statement comes straight out of ASM or any other assembler language.
Here's a link: http://be2.php.net/manual/en/control-structures.goto.php
I'm wondering: what can this do to make my code more well-organized? How can I implement this in larger projects, without screwing it up. Since the goto will allow you ... | <urn:uuid:d4e5ebf1-c562-4da3-a232-5ca005a2accc> | 3.0625 | 526 | Q&A Forum | Software Dev. | 69.623749 |
Life is biology is species: But how many species live on Earth? About six million arthropods (insects, spiders and crustaceans), says a new study.
We love accurate weather forecasts, but the weather satellites they rely on are nearing the boneyard. Some replacements have crashed into the ocean, others are in financial ... | <urn:uuid:c5201519-96fe-4ef8-976d-570c2cbcde27> | 3.109375 | 746 | Content Listing | Science & Tech. | 47.522895 |
|The Development of Galois Theory||MacTutor Index|
The first mathematician who published a commentary on Galois' two main papers was Enrico Betti (1823-1892). In his 1852 publication Sulla risoluzione delle equazioni algebriche, he presented Galois' ideas in a more accessible manner, making a few additions of his own. ... | <urn:uuid:0f96a95c-0f5b-455c-944e-f4208f650150> | 2.921875 | 2,731 | Knowledge Article | Science & Tech. | 36.756867 |
In this cool science experiment, you’ll show how to make raisins "swim" up and down in a jar, using nothing more than a few things that you commonly find in a kitchen.
What makes phosphorescence last longer?
An ultraviolet light source (as opposed to other forms of light sources) will be able to make the glow of phosph... | <urn:uuid:7e81ddea-37e6-447d-b1a7-10322d10aa3a> | 3.328125 | 502 | Content Listing | Science & Tech. | 41.988158 |
Why is this moon shaped like a smooth egg?
The robotic Cassini spacecraft completed the first flyby ever of Saturn's small moon
in May and discovered that the moon has no obvious craters.
Craters, usually caused by impacts, have been seen on every
asteroid, and comet nucleus
ever imaged in detail -- until now.
Even the... | <urn:uuid:f3c4e90a-1e65-414c-9721-032b2c7a5541> | 3.75 | 217 | Knowledge Article | Science & Tech. | 40.001651 |
If a constant current has to be driven through a resistor it needs a certain voltage or potential difference across the outlets of the resistor.
If the voltage is changed it is plausible to expect a corresponding change of the current. What is not evident is the question if this relation is linear, if the current chang... | <urn:uuid:e4c15dd7-f023-4134-92f8-34e015ef2870> | 4.125 | 271 | Knowledge Article | Science & Tech. | 41.722365 |
The combined effects of climate change and fishing are complicated by complex trophic interactions (see e.g. Hjermann et al. 2007). However, based on the present situation, known trophic interactions and ecosystem effects of fishing and climate change, some possible scenarios can be outlined; these are discussed below.... | <urn:uuid:d33bb48e-cfc0-49a4-bd77-bfe3b74c76cc> | 2.796875 | 1,547 | Academic Writing | Science & Tech. | 41.597271 |
matthew_avison at email.msn.com
Thu Aug 6 06:34:07 EST 1998
Some tissues that constantly proliferate (like skin for example) do so
because the tissues contain stem cells. These cells are constantly dividing
and producing daughters who the differentiate into the main cells of the
tissue (e.g. skin cells). Such tissues u... | <urn:uuid:a2f33351-4bbb-4be4-8e44-eac74c48dbc3> | 3.109375 | 445 | Comment Section | Science & Tech. | 57.433668 |
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.
The right answer—accretion by gravity onto supermassive black holes—was proposed shortly after Schmidt’s discovery independently by Russian astron... | <urn:uuid:dc32d8e1-22c9-414d-bf5b-9ad9af3d0f71> | 2.90625 | 132 | Knowledge Article | Science & Tech. | 27.5865 |
The following article is an example of a .NET implementation of Kruskal’s algorithm for finding the minimum spanning tree of a connected, undirected graph.
The minimum spanning tree for a graph is the set of edges that connects all nodes and has the lowest cost.
In order to be able to run this solution, you will need .... | <urn:uuid:2b9dbc7d-ad74-46ef-8d41-b21ae0ffd2c5> | 3.5625 | 1,333 | Documentation | Software Dev. | 60.619599 |
A small town in Canada called Churchill, with a population of 800, has been under attack from polar bears. These large carnivores have even been caught breaking into homes to find food. Villagers have been terrified of these massive, 90st animals for years; therefore, have decided to stand their ground and fight back!
... | <urn:uuid:5a8f5d91-575b-4373-a1c6-734e7d8fcf32> | 3.0625 | 844 | Personal Blog | Science & Tech. | 61.545344 |
February 28, 2007
GCRIO Program Overview
Our extensive collection of documents.
Archives of the
Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 6, NUMBER 11, NOVEMBER 1993
PALEOCLIMATOLOGY: BOREHOLE TEMPERATURE ANALYSES
Specia... | <urn:uuid:26337fb0-f130-4e27-b4cc-bf011813dee3> | 2.734375 | 395 | Content Listing | Science & Tech. | 48.656377 |
I really don’t understand the “CO2 causing stratospheric cooling” thing.
I mean I get the basic idea that CO2 mostly heats up the troposphere, and as a result there is less IR to go into the stratosphere and above, causing those layers to cool. But some of the details don’t make sense. From this website (the only sourc... | <urn:uuid:379b619e-a014-4ed3-a098-89b77eb1db35> | 3.140625 | 328 | Comment Section | Science & Tech. | 62.929026 |
Optimize with a SATA RAID Storage Solution
Range of capacities as low as $1250 per TB. Ideal if you currently rely on servers/disks/JBODs
Every Java object inherits a set of base methods from
java.lang.Object that every client can use:
Each of these methods has a sensible default behavior that can be overridden in the ... | <urn:uuid:4ed970fe-727c-4072-8b78-d1c315cf0b11> | 2.796875 | 660 | Truncated | Software Dev. | 39.833774 |
Need Help!! Describe how to make 2.5L of 0.1M HCL solution from 12M HCL concentrated solution and water. I got help earlier but still could not figure out the calculations. Please help, it has been a while since i took chemistry. Thank you soo much
Describe how to make 2.5L of 0.1M HCL solution from 12M HCL concentrate... | <urn:uuid:e3167016-2968-497d-aeca-009af56c43a6> | 3.25 | 404 | Q&A Forum | Science & Tech. | 84.926951 |
Summary: Physics 182: Sample exam questions for Exam 1
Multiple Choice. Choose the one alternative that BEST completes the statement or answers the question, and mark your
scan sheet. Only the scan sheet will be graded.
The correct answers are: C, C, A, C, B, D
1) The diagrams shows a PV diagram for 4.3 g of oxygen gas... | <urn:uuid:5e68f73e-0a16-44ad-bc31-57dc3b852658> | 2.859375 | 494 | Tutorial | Science & Tech. | 108.255768 |
|Nov9-12, 07:24 AM||#1|
Thermodynamic - water/ice piston help !
An inventor proposes to make a heat engine using water/ice as the working substance inside a cylindrical piston and taking advantage of the fact that water expands as it freezes and can therefore lift a piston supporting some mass m. The engine process con... | <urn:uuid:e494460c-b0b8-483f-947f-f4c1f639cabb> | 4 | 560 | Comment Section | Science & Tech. | 56.45371 |
Three new analyses on climate extremes together explain how extremes may change in the future, what’s driving them, their impacts on people and ecosystems, and how we can adapt. The most extensive report is from the Intergovernmental Panel on Climate Change (IPCC) and it details the current state of knowledge on climat... | <urn:uuid:ead9b92d-569c-4e4a-8c09-125137a5a69e> | 3.1875 | 385 | Content Listing | Science & Tech. | 31.252808 |
So what is everyone's thoughts on the origin of Mars' moons Phobos and Deimos? They are a bit of a mystery.
Here are the different theories:
1. They formed along with Mars when it accreted out of the plantary nebula.
Pros: explains how both are in the same circular, equatorial orbit around Mars.
Cons: Seems a strange c... | <urn:uuid:7a05cb27-1c8e-4461-9eda-a43b5fc2a449> | 3.53125 | 514 | Comment Section | Science & Tech. | 59.917897 |
TeX is a powerful text formatter written by Donald Knuth; it is also free, like GNU Emacs. LaTeX is a simplified input format for TeX, implemented by TeX macros; it comes with TeX. SliTeX is a special form of LaTeX.
Emacs has a special TeX mode for editing TeX input files. It provides facilities for checking the balanc... | <urn:uuid:27af4da2-9233-473b-8745-f3f3037123a9> | 3.09375 | 303 | Documentation | Software Dev. | 58.003173 |
According to Inuit myth, a urine-soaked cloth was once whipped from an old lady’s hand and carried out to sea, where it turned into a sea monster called “skalugsuak.” Of its legendary peculiarities, skalugsuak lives for 200 years, has thousands of teeth, weighs over a ton, eats caribou whole, has skin that can destroy ... | <urn:uuid:11d3e525-f252-4a69-b05f-822def98d909> | 3.546875 | 344 | Personal Blog | Science & Tech. | 41.176094 |
Last week we saw, in "Climate Change and the Pacific Decadal Oscillation" that the Pacific Decadal Oscillation had flipped into its cold phase.
The Atlantic Multidecadal Oscillation went into its warm phase in 1995.
If I'm reading the literature correctly (always ask that question!), the drought in the southwestern U.S... | <urn:uuid:44b326a6-e241-4ce7-b7be-f4b18bad1a0e> | 2.75 | 655 | Personal Blog | Science & Tech. | 45.924118 |
The upside in the unknown realms of the desalination equation is rapidly gaining more potential as technology jumps forward in unexpected leaps. Are we at a point now, or will we be there soon, of wondering what effect large (mega) scale desalination and irrigation would have on global warming?
Even in a lower-tech wor... | <urn:uuid:9516c8a3-4f1c-47ce-971c-4a0ff897ce2b> | 3.875 | 609 | Personal Blog | Science & Tech. | 28.731957 |
-> Click here to learn how to get live help <-
NAMEcrypt - password and data encryption
DESCRIPTIONcrypt is the password encryption function. It is based on the Data Encryption Standard algorithm with variations intended (among other things) to discourage use of hardware implementations of a key search.
key is a user's... | <urn:uuid:027d22f8-dd15-4d4f-b9a5-64cb74444f49> | 3.59375 | 613 | Documentation | Software Dev. | 59.478101 |
Return to Mathematics Index
Williams, Gwendolyn D. Paul Robeson High School
To show the ratio of pi by revolving a circle one complete time.
The students will learn why the ratio is true.
To allow the students to do the same independent of the teacher's
You need: Two random size pieces of plexiglass.
One screw (long en... | <urn:uuid:617fc726-92f1-444a-8ff6-c7e8ca919642> | 4.03125 | 637 | Tutorial | Science & Tech. | 71.934749 |
The world's 8,240 species of reptiles inhabit every continent except Antarctica. Reptiles include turtles, snakes, crocodiles, and lizards. They can be as small as the dwarf gecko (less than an inch long) or as big as the saltwater crocodile, which can weigh more than a ton. All reptiles have scales, but some are too s... | <urn:uuid:abcc5a64-b3e0-4ab4-8967-b7eedee9fd07> | 3.671875 | 544 | Content Listing | Science & Tech. | 38.332822 |
In 1883, German physiologist Max Rubner proposed that an animal's metabolic rate is proportional to its mass raised to the 2/3 power. This idea was rooted in simple geometry. If one animal is, say, twice as big as another animal in each linear dimension, then its total volume, or mass, is 23 times as large, but its ski... | <urn:uuid:9eff0812-daa2-4143-b0c0-c8e23807d343> | 3.9375 | 1,087 | Personal Blog | Science & Tech. | 33.741555 |
Class: Insecta (Insect)
Species: about 14,000
Body length: 0.08 to 1.5 inches (2 to 40 millimeters)
Life span: highly variable; queens of some species can live up to 15 years
Incubation: varies by species
Number of eggs laid: hundreds to millions over the life of a queen, depending on species
Age at maturity: 1 or more... | <urn:uuid:527a606f-87e4-4ebf-9343-d0783f88794a> | 3.671875 | 2,057 | Knowledge Article | Science & Tech. | 54.753075 |
Q&A: General Astronomy and Space Science
As the planet Earth is accumulating meteoric dusts in tons
every day, will not the mass of the Earth increase?
If so, does it affect its spin? Does the gravity get affected?
You are right, as dust from the cosmos
falls on the Earth, the Earth does gain mass. Even the tiniest
par... | <urn:uuid:646089bd-4e2b-4514-9491-a9a72e02775e> | 3.625 | 232 | Q&A Forum | Science & Tech. | 62.782778 |
Behind these devastating individual events there is a common physical cause, propose scientists of the Potsdam Institute for Climate Impact Research (PIK). The study will be published this week in the US Proceedings of the National Academy of Sciences and suggests that man-made climate change repeatedly disturbs the pa... | <urn:uuid:84932e44-1389-4ffa-af9c-ad13f201153e> | 3.8125 | 1,503 | Knowledge Article | Science & Tech. | 45.746378 |
Busy as Bees: Reproductive Chaos after Queen's Death
This nest of Asian dwarf red honeybees is built as a single comb from a twig, making it accessible to invading workers from other colonies once the queen dies.
CREDIT: © Nature
Female honeybees follow a simple code: only the queen lays eggs. If a female worker break... | <urn:uuid:778d14a5-cb64-4a1d-be9a-6b1b74c63c0f> | 3.0625 | 560 | Truncated | Science & Tech. | 46.881892 |
int mkstemp(char *template);
The mkstemp() function shall replace the contents of the string pointed to by template by a unique filename, and return a file descriptor for the file open for reading and writing. The function thus prevents any possible race condition between testing whether the file exists and opening it ... | <urn:uuid:d081519d-e43c-4411-b052-0499176042fe> | 3.765625 | 327 | Documentation | Software Dev. | 53.363077 |
Apparently both these equations can't be right at the same time, number of objects and weight of objects are not the same thing.
Mass of the nucleus equals mass of the neutrons plus mass of the protons MINUS binding energy.
Neutrons and protons hold very strong to each other in nucleus. When you take several separated ... | <urn:uuid:a6a69879-3462-4885-836d-80e07a2fbc33> | 3.265625 | 162 | Comment Section | Science & Tech. | 51.392976 |
NASA’s J-2X rocket engine is on the test stand and ready for its second round of tests, building on last year’s successful test-firings that by some metrics were the most successful rocket engine firings NASA has ever undertaken. The J-2X will provide upper-stage power propelling NASA’s next-gen Space Launch System (SL... | <urn:uuid:7bf4b39e-8119-4fe8-bdba-c7b351a0f332> | 3.015625 | 248 | Content Listing | Science & Tech. | 49.7825 |
> > >The strong typing of object-oriented languages encourages
> > >narrowly defined packages that are hard to reuse. Each package
> > >requires objects of a specific type; if two packages are to work
> > >together, conversion code must be written to translate between the
> > >types required by the packages.
> If you d... | <urn:uuid:073da173-48d6-47f2-bdff-07e5d5dcfc39> | 3.078125 | 369 | Comment Section | Software Dev. | 41.674057 |
Cool Butterfly Photonic Crystals
The small structures in the scanning electron microscope image of a
butterfly wing scale (a) are natural photonic crystals that give the
wings of some butterflies their brilliant iridescent blue colors. The
structures in the second image (b) are responsible for a blue-violet
iridescence... | <urn:uuid:c5d030e4-6ae9-4332-a32a-41c937131d26> | 3.171875 | 181 | Knowledge Article | Science & Tech. | 27.776667 |
Relationships between ants and other organisms are numerous
- Ant/Ant: Some species of ants are extreme in their
dependence upon other ant species. For example, the ant Tuleutomyrmex schneidere
spends almost its entire life riding on the backs of host ant species. They
seem to contribute nothing to the hosts, but are t... | <urn:uuid:026b923c-67a3-4ee7-b109-3e0a143afd55> | 3.5625 | 587 | Knowledge Article | Science & Tech. | 43.146481 |
Coldest space instrument ever
Coldest ever space instrument set to fly
The coldest instrument ever to fly in space is set to launch aboard a Japanese X-ray observatory called Astro-E2 on Wednesday. The instrument, which has suffered several previous setbacks, will study some of the most energetic phenomena in the unive... | <urn:uuid:71a9fcbd-21d8-4f0c-a925-3edf4459f2ec> | 2.90625 | 142 | Comment Section | Science & Tech. | 34.718769 |
Cloning the Gaur
By Britt Bailey
day may come when the rest of the animal creation may acquire those
rights which never could have been withholden from them but by the hand
of tyranny." - Jeremy Bentham
We are about to meet "Noah", the first cloned member of an endangered
species. Noah is a Gaur, a strikingly colored, ... | <urn:uuid:66f90566-7194-4bb2-b099-536d5c2ba845> | 2.984375 | 2,013 | Nonfiction Writing | Science & Tech. | 37.926634 |
Landman, M., Kerley, G. I. H. and SCHOEMAN, DS (2008) Relevance of elephant herbivory as a threat to Important Plants in the Addo Elephant National Park, South Africa. JOURNAL OF ZOOLOGY, 274 (1). pp. 51-58. [Journal article]
Full text not available from this repository.
Although elephants are recognized as keystone sp... | <urn:uuid:5232e6df-2e1b-48e0-ac66-6ddccf6cff4e> | 3.21875 | 462 | Academic Writing | Science & Tech. | 28.587899 |
As far as studying ball lightning as a scientific phenomenon, scientists have been limited by the inability to recreate these objects in the laboratory. The entirety of data on the subject consists of the thousands of eye-witness accounts of ball lightning which go back as far as the Middle Ages. The 'average' ball lig... | <urn:uuid:40bf3c86-5f8e-4048-9ac4-a5e478d550e5> | 3.953125 | 1,490 | Comment Section | Science & Tech. | 59.379083 |
Conversion Operators (C# Programming Guide)
C# enables programmers to declare conversions on classes or structs so that classes or structs can be converted to and/or from other classes or structs, or basic types. Conversions are defined like operators and are named for the type to which they convert. Either the type of... | <urn:uuid:2734160b-8e6c-4995-ab42-671649349032> | 2.828125 | 99 | Documentation | Software Dev. | 39.445 |
Luna moths are insects that I think we can all agree to admire. One of the largest moths in the eastern United States, it has a wingspan of nearly 4½ inches. Attracted by porch lights (possibly mistaking them for the moon) they are a welcome visitor to any nature-friendly home or garden.
The first batch of this year’s ... | <urn:uuid:f7836774-74f4-492a-aaab-e8ff78f8df45> | 3.21875 | 935 | Personal Blog | Science & Tech. | 54.577764 |
W and Z bosons
W and Z bosons are some of the least understood elementary particles. Both are bosons, which means that they have a spin of 0 or 1. Both had been found in experiments by the year 1983. Because of this, Z bosons are theoretical. Together, they are responsible for a force known as "weak force." Weak force ... | <urn:uuid:e94ad0bd-983d-417e-99b8-14701f136b74> | 4 | 1,095 | Knowledge Article | Science & Tech. | 57.777367 |
Destinations: Mountains are prevalent not only on Earth, but found on many planets and moons throughout our solar system. Most mountains, as we know them on Earth, were formed by geologic processes caused by the convergence of tectonic plates.
The highest mountains on Earth are the Himalyas, which can readily be seen f... | <urn:uuid:eb71e7e1-4feb-49ed-8a9d-78e14a0cc3b2> | 3.859375 | 498 | Knowledge Article | Science & Tech. | 36.25179 |
Mission Type: Flyby
Launch Vehicle: Mu-3S-II (No. 1)
Launch Site: Kagoshima Space Center, Japan
Spacecraft Mass: 138.1 kg
Spacecraft Instruments: 1) solar wind ion detector; 2) plasma wave probe and 3) magnetometer
Spacecraft Dimensions: Outer drum: 70 cm high, 140 cm diameter
Spacecraft Power: 1750 solar cells with a ... | <urn:uuid:812dc691-3793-430b-9d99-4d1c7ff50641> | 3.140625 | 684 | Knowledge Article | Science & Tech. | 59.336126 |
Last time I gave you a taste of what it is like to participate in a major expedition. This time I’m going to explain how we actually find and collect nudibranchs and other sea slugs.
First of all, sea slugs can be found just about anywhere in the world’s oceans from the shallow intertidal down to the deep sea, and from... | <urn:uuid:9828e9d6-f497-4612-a7c9-a4db4248317f> | 3.09375 | 852 | Personal Blog | Science & Tech. | 60.286056 |
Chandra has observed hundreds of targets in the last 5 years, ranging from
planets and supernovas up to gargantuan galaxy clusters, and has generated
over a hundred press releases and beautiful images. The most popular topics
have been active galaxies, black holes, and neutron stars and mass accreting binaries.
Because... | <urn:uuid:eade0486-9336-42eb-8008-a97299f621e5> | 2.6875 | 441 | Tutorial | Science & Tech. | 48.123975 |
The following Figure illustrates the principle of a Daniell cell in which copper and zinc metals are immersed in solutions of their respective sulfates.
Schematic of a Daniell cell.
The Daniell cell was the first truly practical and reliable electric battery that supported many nineteenth century electrical innovations... | <urn:uuid:8e584f40-0f22-4e84-90ca-89b6a9c97935> | 3.25 | 484 | Knowledge Article | Science & Tech. | 29.911822 |
John Puopolo is, with Sandy Squires, the author of the F# Survivial Guide, on which this article is based. The F# Survivial Guide covers all of the essential elements of functional programming and the F# language.
There are many ways to examine problems and model their solutions. In software, we tend to look at problem... | <urn:uuid:4186f8b7-0e57-419e-b2f3-e738925972e0> | 2.75 | 827 | Knowledge Article | Software Dev. | 25.967974 |