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When we talk about climate change and the threat that is heading toward us we usually talk about isolated events. The most common examples are the carbon dioxide emissions caused by our industry, our vehicles and our agriculture. The thing that’s not talked about so much is the positive and negative feedback that these... | <urn:uuid:a4c6331e-1cb7-42ad-9ee4-6df57824f70e> | 2.796875 | 101 | Personal Blog | Science & Tech. | 38.579236 |
A Biological Assessment of the Lakekamu Basin, Papua New Guinea: June, 1998
Andrew L. Mack
Conservation International, Department of Conservation Biology, 1998 - 187 pagine
The Lakekamu Basin of Papua New Guinea encompasses roughly 2,500 square kilometers of pristine wilderness lowland rain forest. Exceptional both in ... | <urn:uuid:d5f9772a-4513-4108-81dd-8c0cb1e526c8> | 2.921875 | 189 | Truncated | Science & Tech. | 33.046429 |
|Deoxyribonucleic acid, or DNA, stores all of our genetic information. It makes up the genes of all cells (animal and plant) as well as many viruses. In this module, we will examine the structure of DNA so that we can better understand its interaction with cisplatin. We will also examine replication and transcription, ... | <urn:uuid:0ef7be92-5f1f-4f36-a264-c1502aec0c26> | 4.09375 | 1,812 | Academic Writing | Science & Tech. | 47.007517 |
White sharks have a number of markings that may serve a social purpose. The pectoral fins, for instance, feature black tips on the undersurface and white patches on the trailing edge. Both markings are all but concealed when the sharks swim normally, but are flashed during certain social interactions. And a white patch... | <urn:uuid:373d006f-2dbe-4156-b2a9-a680ef572195> | 3.296875 | 1,084 | Knowledge Article | Science & Tech. | 44.225584 |
A floor is covered by a tessellation of equilateral triangles, each having three equal arcs inside it. What proportion of the area of the tessellation is shaded?
Investigate the different ways of cutting a perfectly circular pie into equal pieces using exactly 3 cuts. The cuts have to be along chords of the circle (whi... | <urn:uuid:5c7a6db6-53da-4cb0-a86c-06501062a248> | 4.40625 | 199 | Tutorial | Science & Tech. | 65.003419 |
One of the primary drawbacks to using solar energy as a source of electricity is the unreliability of the harvesting process. The intensity of the sun varies from place to place and from one season to the other in the same place on earth. Also, there is the obvious drawback that the sun is not accessible 24 hours a day... | <urn:uuid:5fd22ba6-93eb-4c39-b2e5-ac05d9e067d7> | 3.625 | 514 | Knowledge Article | Science & Tech. | 32.812076 |
Thursday, 3 June 2010
The stratosphere is cooling!
Look at the amazing figure at the top! This may very well be the most important figure displayed in this eminent blog ever, and we have already had some pretty important figures! The figure comes from the Remote Sensing Systems webpage. The different curves show how th... | <urn:uuid:86029035-92b3-4277-894d-3d39bb45980a> | 3.125 | 716 | Personal Blog | Science & Tech. | 51.337576 |
Science Fair Project Encyclopedia
A crater (basin or impact crater) is a circular depression on a surface, usually referring to a planet, moon, asteroid, or other celestial body. Craters are caused by meteorite impacts or electrical discharge, although some are caused by volcanic activity (see volcano for more details)... | <urn:uuid:54c759dd-302b-4854-905e-38972d161bba> | 4.25 | 2,962 | Knowledge Article | Science & Tech. | 33.711276 |
Hall of North American Mammals
More than 25 Museum expeditions across this continent produced the specimens displayed in this hall's magnificent dioramas. Many belong to the order of mammals called Carnivora (carnivorans), one of the most diverse orders within the mammal group.
Use these free online resources before or... | <urn:uuid:5f57d6b5-64ae-4d78-bf8f-a98f5cb8c523> | 3.40625 | 313 | Content Listing | Science & Tech. | 50.43731 |
Supersonic Air Flow
Throwing a stone onto the surface of motionless lake triggers a spectacular series of events, beyond what we can see. When the stone hits the lake, a thin sheet of liquid called the "crown splash" is thrown upwards along the stone's rim. Meanwhile, below the surface of the water, a large cavity form... | <urn:uuid:3390fb59-e139-44eb-a8fd-c41ddf07182b> | 3.78125 | 220 | Knowledge Article | Science & Tech. | 37.400142 |
basic geometry knowledge.
Puzzle # 110ItalianoFrançais Prof. Gibbus' Angle
Prof. Gibbus find the angle a in the diagram below
(solve this puzzle using just basic geometry, no sines or cosines allowed!)
sent us this funny solution...
more seriously, the solution isn't as difficult as
it appears... You have just to chang... | <urn:uuid:4ea2d021-9768-4034-a136-62349716aac3> | 3.328125 | 272 | Tutorial | Science & Tech. | 62.941213 |
Volume 28, Issue 5 (September 2000)
Leaching Behavior of Indian Fly Ashes by an Oedometer Method
Thermal power stations use pulverized coal as fuel, producing enormous quantities of ash as a by-product of combustion. Currently, with very low utilization of the ash produced, the ash deposits at the thermal power station... | <urn:uuid:fd95d569-186f-47d6-919d-4cbab29de0f0> | 2.890625 | 178 | Academic Writing | Science & Tech. | 30.792416 |
When converting from a byte to an int why do you have to do a logical AND with 0xFF.
For example: int i = 'A' & 0xff;
First of all, in that line of code there is no conversion from a byte to an int. The 'A' is a character literal (its type is char, not byte). The 0xff is an integer literal. Also, the AND operator & is ... | <urn:uuid:aa96d61c-ca54-4f33-a2cb-bd95196805e8> | 4.0625 | 394 | Q&A Forum | Software Dev. | 79.820916 |
Have you ever thought about how clouds form? Can you make a cloud here on Earth? When warm moist air rises it expands and pressure drops. When this occurs, the water vapor in the air condenses around dust or other particles in the air and forms clouds. You can duplicate this process here on Earth now that you know the ... | <urn:uuid:3dda0239-f260-4873-96d0-3b6e9dee72d5> | 3.015625 | 79 | Knowledge Article | Science & Tech. | 72.976429 |
A fundamental advance in the theoretical understanding of the role of thermal noise in molecular motors has been made by Chinese scientists. From EurekAlert, this news release from Science in China Press “Thermal noise molecular ratchet mechanism found by researchers in the Chinese Academy of Sciences“:
Designing machi... | <urn:uuid:b082e545-1e8c-49ce-8468-6fdad5fb9edf> | 2.828125 | 1,259 | Knowledge Article | Science & Tech. | 24.204278 |
Somehow, the Earth is hotter than ever during the coldest winter since the 1970s. In the face of frigid world-wide temperature trends and mounting evidence that the Earth is entering a cooling phase, the pushers of man-made global warming theory are becoming more shrill with their warnings of runaway warming. Chris Fie... | <urn:uuid:45750ddc-41e9-4a3a-b7f0-389c3f7eea8a> | 2.9375 | 247 | Personal Blog | Science & Tech. | 44.11875 |
Large elongate worms. Prostomium usually with 2 pairs of antennae but always with a pair of bi-articulate palps. Peristome with usually 4 but sometimes 3 pairs of tentacular cirri. Eversible pharynx with a pair of jaws; some genera armed with many chitinous paragnaths or papillae, while in several genera pharynx unarme... | <urn:uuid:4d5dbe41-38e9-482d-a8cf-d57b82273d36> | 3.09375 | 150 | Knowledge Article | Science & Tech. | 25.214565 |
Volcanic rock is an igneous rock of volcanic origin.
Volcanic rocks are usually fine-grained or aphanitic to glassy in texture.
They often contain clasts of other rocks and phenocrysts.
Phenocrysts are crystals that are larger than the matrix and are identifiable with the unaided eye.
They were created during fractiona... | <urn:uuid:8cb5acfb-9283-477f-8cc0-8e74522dead2> | 3.5625 | 164 | Knowledge Article | Science & Tech. | 31.375 |
For convenience, certain coherent derived units have been given special names and symbols. There are 22 such units, as listed in Table 3. These special names and symbols may themselves be used in combination with the names and symbols for base units and for other derived units to express the units of other derived quan... | <urn:uuid:a85ec1f3-2d0f-4b76-aff1-2fc0c0c544dd> | 4.15625 | 815 | Knowledge Article | Science & Tech. | 35.224917 |
“Es ist mir ein prächtiges Licht über die Absorption und Emission der Strahlung aufgegangen ‒ es wird Dich interessieren. Eine verblüffend einfache Ableitung der Planck’schen Formel, ich möchte sagen die Ableitung. Alles ganz quantisch.”
“A splendid light has dawned on me about the absorption and emission of radiation ... | <urn:uuid:2c144d03-b1c3-49ff-a446-91bcf9c9a1de> | 3.078125 | 277 | Personal Blog | Science & Tech. | 48.472925 |
Today marks the 50th anniversary of the first laser, built and fired by Theodore Maiman at Hughes Research Labs in Malibu, Calif.
Physicists around the world are celebrating the event. In Houston, French laser pioneer Gérard Mourou will give a free public lecture at 8 p.m. May 26 at the George R. Brown Convention Cente... | <urn:uuid:0b7b442c-f1f5-4d47-bce1-0693c72b0584> | 3.15625 | 769 | Audio Transcript | Science & Tech. | 58.291138 |
LARS Tech Report Number
By measuring certain physical properties of fifteen soils typical of Wisconsin-aged, glacial till soils capped with less than 60 inches of loess in Indiana, the variations in spectral response in the laboratory were explained. Spectral reflectance measure with the Exotech 20-C can be significant... | <urn:uuid:69b9956a-a960-4c30-9dd0-9059c846662d> | 2.984375 | 191 | Academic Writing | Science & Tech. | 56.462509 |
Today, lets look at two methods that use liquid salt.
The first one is a solar thermal power plant in Spain, a power plant that gets around one weakness of solar power, which is, that the Sun is not always visible due to weather, and it is not available at night.
There is a salty solution to that problem:
"It is the fi... | <urn:uuid:5af4575d-f09f-480a-9195-b0f1cd8c2937> | 3.53125 | 395 | Personal Blog | Science & Tech. | 51.591574 |
Find information on common issues.
Ask questions and find answers from other users.
Suggest a new site feature or improvement.
Check on status of your tickets.
Note: Results do not include pending, unpublished, and some private items.
100 amps of electricity crackle in a vacuum chamber, creating a
spark that transforms... | <urn:uuid:7a414188-fd6e-49ed-bdd4-5bbf521acd5a> | 3.671875 | 283 | Content Listing | Science & Tech. | 39.752667 |
Background on ENSO
ENSO stands for El Niño and La Niña /Southern Oscillation.
El Niño occurs when
the water temperature in the middle of the
The opposite of El
Niño is La Niña, which occurs when the water temperature in the
El Niño and La Niña affect other parts of the world through the Southern Oscillation and so-call... | <urn:uuid:077141f9-b8d8-45be-9ae5-bfeb3192b7f4> | 3.6875 | 133 | Knowledge Article | Science & Tech. | 29.497464 |
Advances in the study of irruptive migration
Newton, I.. 2006 Advances in the study of irruptive migration. Ardea, 94 (3). 433-460.Full text not available from this repository.
This paper discusses the movement patterns of two groups of birds which are generally regarded as irruptive migrants, namely (a) boreal finches... | <urn:uuid:962f8b33-f992-4f52-a607-bc0c158e86ae> | 3.4375 | 995 | Academic Writing | Science & Tech. | 23.327155 |
The Oceans: Carbon Sink or Source?
Part A: The Ocean Carbon Cycle
First, carbon dioxide gas enters the ocean by dissolving in the sea surface waters. The amount of CO2 that dissolves in the sea surface depends on variables such as wind, sea surface mixing, and temperature of the water. The colder the sea surface water,... | <urn:uuid:46ec5a02-daeb-431c-aa58-7ea3fd733ea3> | 4.15625 | 1,551 | Tutorial | Science & Tech. | 45.951232 |
The Mexican Red Kneed Spider
The Mexican red kneed spider is known for it's red spots. It can be found in Southwest Mexico. Learn more about it.
The Mexican red kneed spider can be found in Southwest Mexico. It makes its home in rocky abandoned burrows on hillsides near streams. The red kneed spider makes its burrows u... | <urn:uuid:a2b564b6-0411-4c82-a32f-d336275e1e76> | 3.375 | 430 | Knowledge Article | Science & Tech. | 67.270367 |
Webjumps are created by the define_webjump function. The general form is as follows:
name - String that you type into the find-url prompt in order to follow this webjump.
spec - A string or a function.
string - For most webjumps, a string spec is sufficient. Give the url as a string, with the format code %s in the plac... | <urn:uuid:c361816c-3ac0-4204-aa4a-c09e10cc1193> | 2.75 | 676 | Documentation | Software Dev. | 54.12029 |
C++ problem with the effects of gravity
Jan 21, 2013 at 10:16pm UTC
Hi, I'm trying to write a code to display the results of gravity on an object being dropped from a certain height. The user inputs the tower's height and the output should be a table displaying the effects of gravity on the object for every second. Exa... | <urn:uuid:6a676ea6-592b-4730-bcb4-414af64a4003> | 3.0625 | 353 | Comment Section | Software Dev. | 81.32112 |
Environment / Climate / Range
Marine; bathypelagic; depth range 549 - 1342 m (Ref. 51262). Tropical
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.6 cm (female)
Morphology | Morphometrics
soft rays: 4. No males and larvae are known. Diagnostic characters refer to metamorphosed females, which differ ... | <urn:uuid:c2c26413-487c-4fb5-9814-729074f9fdc9> | 3.0625 | 882 | Knowledge Article | Science & Tech. | 51.749607 |
A fossil brachiopod found in Carboniferous rocks from Ardclough, Ireland, about 330 million years old. Its true width is 10 cm, height 5 cm. Brachiopods are often confused with the two-shelled 'sea shell' animals called bivalves found on beaches today; however, they are a completely different group of animals. There ar... | <urn:uuid:829f094d-6a47-4c53-8645-3c3d1bf460a2> | 3.859375 | 205 | Knowledge Article | Science & Tech. | 52.976538 |
As scientists have used their super-technos to discover more and more planets, they’ve come to notice a pattern between the distance of these planets from their stars. At first most thought it was because of an unfavorable smell the stars exuded, but it may turn out to be something more clever. The stars themselves put... | <urn:uuid:cbc73934-89a5-4a99-a07d-b17d4953876d> | 3.984375 | 428 | Personal Blog | Science & Tech. | 60.41883 |
Cosmic Diagnosis; June 1993; Scientific American Magazine; by Corey S. Powell; 1 Page(s)
Like doctors, astronomers are finding that x-rays offer an invaluable means for examining otherwise hidden structures. Last year Trevor Ponman and his colleagues at the University of Birmingham in England announced that xray observ... | <urn:uuid:cb645a50-de26-405f-b3a9-c200393ce2ec> | 3.71875 | 330 | Truncated | Science & Tech. | 35.479323 |
Wobbegong is the common name given to the 12 species of carpet sharks in the family Orectolobidae. They are found in shallow temperate and tropical waters of the western Pacific Ocean and eastern Indian Ocean, chiefly around Australia and Indonesia, although one species (the Japanese wobbegong, Orectolobus japonicus) o... | <urn:uuid:10ed995d-ff5c-4c81-94ae-896fc9c34210> | 3.53125 | 200 | Knowledge Article | Science & Tech. | 39.875088 |
Methods for Types Generated From Schema
As you may have seen in Getting Started with XMLBeans, you use the types generated from schema to access XML instances based on the schema. If you're familiar with the JavaBeans technology, the conventions used in the generated API will be recognizable.
In general, elements and a... | <urn:uuid:cd21ac73-7e83-45bf-8e81-f51011a3090a> | 3.046875 | 1,291 | Documentation | Software Dev. | 39.589213 |
The Creation Wiki is now operating on a new and improved server.
From CreationWiki, the encyclopedia of creation science
Homologous chromosomes are a matching pair of chromosomes containing the same genetic loci in the same order. One of the homologous chromosomes is received from the father, and the other is received ... | <urn:uuid:a6479524-35a6-4284-8323-4e8f0cf26278> | 4.03125 | 227 | Knowledge Article | Science & Tech. | 28.393809 |
What does that tell us about how thunderstorms make tornadoes?
We’ve known for decades that all supercell thunderstorms have a gust front, which is the boundary between the moist, warm air that is flowing into the storm and the generally cooler air coming down out of the storm. But what we noticed in several cases rece... | <urn:uuid:93b3774d-fff0-45bf-8e61-d5c2e7d9cb64> | 3.625 | 1,049 | Audio Transcript | Science & Tech. | 52.603792 |
Tired of smiling and nodding along while your electrical engineering buddies debate the finer points of electromagnetic theory? If you're taking a critical eye to the definitive guide to batteries, you've got to understand what electricity is to begin with. Here's a crash course on the fundamental force that's driving ... | <urn:uuid:455ff672-0ce8-48b6-8750-275df68e1d40> | 3.53125 | 1,388 | Nonfiction Writing | Science & Tech. | 34.765711 |
binistream provides an input-only binary stream.
Int readInt(unsigned int size)
size(in bytes) from the stream and returns it. The return value is undefined if an error occured. The maximum number of bytes that can be read at once equals the size (in bytes) of the largest integer type, supported by the system.
Float re... | <urn:uuid:0ef97712-5a52-4c20-8ca0-a1ff0b01ff7e> | 2.828125 | 476 | Documentation | Software Dev. | 49.945215 |
Dynamic languages offer a taste of object-
relational mapping that eases application code.
BY chRiS RichARDSon
Active Record and GORM use these dynamic capabilities in ways that can significantly simplify an application.
This article looks at how GORM
works. It compares and contrasts
GORM with Hibernate, focusing on
th... | <urn:uuid:f0f4e01d-49f8-444d-afc8-625ce19ff408> | 2.890625 | 730 | Truncated | Software Dev. | 27.11945 |
Beating Species Extinction
As wildlife spectaculars go, it doesn’t get much better than Madagascar, and if scientists have their way, many of the island’s most biologically rich areas will soon be protected. That’s because a mammoth effort to collect data on the island’s wildlife has yielded one of the world’s most det... | <urn:uuid:2183c640-1488-42f3-b28d-05b30667bd3b> | 4.15625 | 446 | Knowledge Article | Science & Tech. | 36.51185 |
Instantiating the View Controllers
project should now contain content for each of the views and all the
view controller classes it needs to function. The classes, however,
still need to be instantiated so that we have actual view controllers
and view objects to use in the application.
MultipleViewsViewController.xib in... | <urn:uuid:b86839b2-ec10-4b08-a2cc-0865eaf57f14> | 2.6875 | 403 | Tutorial | Software Dev. | 50.91163 |
Researchers at MIT’s Picower Institute for Learning and Memory may have found the key to controlling how the brain is wired while studying the bursts of activity that occur after communication between neurons.
First, I will give an overview of neural communication. Neural cells communicate with each other at a synapse,... | <urn:uuid:a125c375-7807-4a15-97a6-e07c15eb0c69> | 3.703125 | 315 | Personal Blog | Science & Tech. | 32.799805 |
Most of us don’t think of sound when we think of mathematics, but math makes up the very basis of sound, which is constructed on an array of numerical properties. In other words, math mainly has to do with the acoustics rather than the composition of the sound itself.
The answer has to do with wave patterns. When you p... | <urn:uuid:578420a3-f5fc-4cf6-9009-b3f8daa8feb0> | 3.84375 | 208 | Personal Blog | Science & Tech. | 62.252955 |
International Year of Biodiversity
- January 8, 2010 3:40 PM |
- By Quirks
By Bob McDonald, host of the CBC science radio program Quirks & Quarks
Following on the International Year of Astronomy, the United Nations is continuing its scientific theme this year with a salute to the hugely important, but often misundersto... | <urn:uuid:56c7dfe8-1f28-487a-9748-143138eca903> | 3.140625 | 1,089 | Content Listing | Science & Tech. | 43.782765 |
Primary and Secondary Colors
Other Online Vision Experiments are available at the Exploratorium website.
Concepts to Investigate: Additive properties of light, primary colors.
Materials: Red, green, and blue lights (use Christmas lights for a small scale investigation, and flood lights for a classroom demonstration), e... | <urn:uuid:e5048628-70fd-4094-9b92-60c210718660> | 3.984375 | 888 | Tutorial | Science & Tech. | 62.839131 |
1. The Hubble Telescope travels around the Earth at a speed of 5 miles per second.
2. It was launched on April 24, 1990 from the space shuttle Discovery.
3. The Hubble Telescope should remain in space for 20 years.
4. The optical Hubble Telescope was named after Dr. Edwin P. Hubble. Dr. Hubble was the scientist who con... | <urn:uuid:f13f863d-0c10-4062-b424-05c249bfb16f> | 3.703125 | 207 | Listicle | Science & Tech. | 81.765111 |
An Introduction to Extreme Programmingby chromatic
Extreme Programming (XP) improves the efficiency of writing software. This is accomplished by streamlining complexity, delivering top business value early and consistently, and reducing the cost of nearly inevitable changes to the business rules, programming environmen... | <urn:uuid:16713846-6de8-4d9f-981a-8db6f82c73da> | 3.125 | 1,919 | Comment Section | Software Dev. | 61.837692 |
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Nanoscale and Biomolecular Imaging
Femtosecond Time Delay X-ray Holography
Conventional time-resolved optical methods require highly synchronized photon pulses to initiate a transition and then probe it at a precisely defined time delay. In the X-ray regime, these methods are challenging since they require complex opti... | <urn:uuid:e4c1bb16-d555-4786-91b2-bb5037a1f603> | 2.6875 | 439 | Academic Writing | Science & Tech. | 52.423235 |
Title: Using micropropagation to conserve threatened rare species in sustainable forests.
Author: Edson, J.L.; Wenny, David L.; Leege-Brusven, A.D.; Everett, R.L.
Source: The Haworth Press, Inc.: 279-291
Description: For forests to be sustainable, viable populations of rare plants should be maintained. Where habitat ma... | <urn:uuid:08e8fb0f-bbea-4ddc-81b3-f26030bb7f7c> | 3.453125 | 367 | Truncated | Science & Tech. | 32.973352 |
Figure 4. Horse flies are large, heavy-bodied flies with large eyes. The wings are swept back at rest and the abdomen is pointed. The females suck blood and are strong, fast fliers. Larvae live in the mud on the bottom of ditches or in moist soil, feeding on other organisms. They are very prevalent at certain times of ... | <urn:uuid:f3985e47-ec5d-405d-bea5-d0cb5b3e5f1b> | 2.9375 | 74 | Knowledge Article | Science & Tech. | 73.083046 |
Pi (π) a mathematical constant that is defined as the ratio of a circle’s circumference to its diameter. It is approximately equal to 3.14159, but since it is an irrational number (cannot be expressed as a ratio), the decimal places go on and on with no repeating segments. The history of pi extends back to almost 5000 ... | <urn:uuid:4a8aaf14-392d-474d-96ea-73f531db81f6> | 3.46875 | 319 | Personal Blog | Science & Tech. | 53.556471 |
Acarids are mites belonging to the suborder Astigmata in the Order Acariformes. Most species are terrestrial, among them serious stored-product pests such as Acarus siro. In general, acarids appear to be detritivorous or fungivorous. A number of genera are aquatic or semi-aquatic, and inhabit a wide range of habitats i... | <urn:uuid:8b9952f4-c95e-4b18-9664-ad238690f553> | 3.296875 | 519 | Knowledge Article | Science & Tech. | 52.829516 |
Cats are famous for landing on their feet after a fall, but they aren’t the only animals that do so. The tiny pea aphid can also right itself in mid-air, and it does so in a way that’s far simpler than a falling feline.
Pea aphids face many dangers, including parasitic body-snatchers and predators. And since they spend... | <urn:uuid:e0bceee2-4f5a-4b82-b331-5a135be75ecb> | 3.765625 | 735 | Knowledge Article | Science & Tech. | 65.424545 |
For thousands of years, octopuses have been known for their unique appearance, with their massive bulging heads, electric eyes that we can’t ignore, and eight long arms. But the most interesting facts about the octopus, is its life span in the wild, and how it tries to survive from predators.
The average life span of c... | <urn:uuid:e6c70ef8-3ba2-4626-bf36-4aeb1432ec6b> | 3.65625 | 460 | Knowledge Article | Science & Tech. | 48.182894 |
Wednesday, August 10, 2005
Looking For Signs Of Water On Mars Today So Humans Can Survive There Tomorrow.
But with the recent deployment of MARSIS on Europe's Mars Express in orbit around Mars and the pending launch of the Mars Reconnaisance Orbiter (MRO) on Thursday, the search for water on Mars today begins in earnes... | <urn:uuid:41b174ab-e1ef-402e-85cf-17ec80960226> | 3.71875 | 343 | Personal Blog | Science & Tech. | 44.132806 |
Copyright © 2008 All rights reserved.
Current Biology, Volume 18, Issue 16, R686, 26 August 2008
Picture storyAdd/View Comments (0)
- It may not feature highly on the ‘must-see’ lists of the thousands of tourists who visit three of the most popular islands in the Caribbean, but until now Barbados, St Lucia and Martiniq... | <urn:uuid:317ca90f-8d88-40c9-a11c-a782baab7d7e> | 3.46875 | 617 | Truncated | Science & Tech. | 41.101254 |
Tidal marshes, a type of wetland, can be found along protected coastlines in middle and high latitudes worldwide. They are most prevalent in the United States on the eastern coast from Maine to Florida and continuing on to Louisiana and Texas along the Gulf of Mexico. Some are freshwater marshes, others are brackish (s... | <urn:uuid:45a03931-e38b-437b-b72e-4286a291e19e> | 3.890625 | 511 | Knowledge Article | Science & Tech. | 25.361079 |
The Singularity, Infomania, and Programmed Reality (cont.)
By Jim Elvidge
Figure 1 is a recreated chart from the data presented by Ray Kurzweil in his book The Singularity is Near. It demonstrates the exponentially accelerating page of change in human evolution. By plotting on log-log paper, exponential trends appear a... | <urn:uuid:73b2d6bd-edd3-475a-857a-c2fbd40023f7> | 2.8125 | 1,030 | Comment Section | Science & Tech. | 51.187345 |
Down from the
by Berry Wijdeven
Picture if you will, a young German
palaeontologist, roaming the mountain ranges of Europe, examining the
fossilized remains of a giant sponge reef deposited some 150 million
years ago. Remnants of the reef can be found from Russia all the way to
Spain and Portugal. Portions have even be... | <urn:uuid:524cc269-a863-4dcb-93a9-79b73214bc56> | 3.734375 | 3,854 | Content Listing | Science & Tech. | 53.114351 |
Constantly scanning the Earth’s surface, the TRMM Microwave Imager (TMI) allows scientists to both track tropical cyclones and forecast their progression. Used by NOAA’s National Hurricane Center (NHC), the Joint Typhoon Warning Center (JTWC), and tropical cyclone centers in Japan, India, Australia and other countries,... | <urn:uuid:6a253274-239f-4e73-bf3f-c5f749d92dde> | 3.203125 | 390 | Knowledge Article | Science & Tech. | 23.40287 |
THE ancestors of plants that use seeds to reproduce began diverging from other plants around 385 million years ago.
When land plants appeared about 450 million years ago they reproduced by releasing spores. The oldest known seeds date from 365 million years ago, but several types are known, so they must have evolved ea... | <urn:uuid:f3cfcf08-d02d-4206-8b85-bb15c857cccd> | 3.828125 | 146 | Truncated | Science & Tech. | 50.263505 |
Guest Commentary by George Tselioudis (NASA GISS)
In the past few years several attempts have been made to assess changes in the Earth’s planetary albedo, and claims of global dimming and more recently brightening have been debated in journal articles and blogs alike. In a recent article entitled “Can the Earth’s Albed... | <urn:uuid:3cbb46b2-a076-4106-af18-287cfcb091e6> | 3.25 | 1,335 | Academic Writing | Science & Tech. | 29.362609 |
about EL example program and usebean example progm
please show best example for Expression Language program and jsp usebean programin jsp concepts
About Java Books
hi.. i want free online books for core java ( pdf or doc) format,where can i have these books ?
thanks in Regards
Please run the EJB on Ecllipse IDE.bcz i h... | <urn:uuid:d5203b31-51d4-49c0-9889-19835bdb7119> | 3.140625 | 619 | Comment Section | Software Dev. | 69.982998 |
What we did not learn in our class was that, even back at that time, there had been several clever experiments with neutrons which demonstrate the influence of the gravitational potential on the phase of the neutron wave function using interferometers. Neutrons, of course, are ideal particles to perform such experiment... | <urn:uuid:adcf8714-19ec-41ea-80a3-102a7ffa9d0d> | 3.703125 | 2,878 | Personal Blog | Science & Tech. | 58.917565 |
Cicadas are large insects that spend most of their lives underground. Cicadas are known for their loud mating calls.
Cicadas tend to congregate (but act independently) in certain areas that contain many sap-yielding deciduous trees. In the summer their mating season begins, and they start to emit loud mating calls. Cic... | <urn:uuid:8bd920b0-ab6d-43cb-8c2e-a217e92ea296> | 3.03125 | 94 | Knowledge Article | Science & Tech. | 47.469235 |
|Adapting to extreme weather: Part 1|
|Written by James J. Hoorman|
|Thursday, February 14, 2013 1:49 PM|
By James J. Hoorman
In 2011, the wettest and warmest year on record occurred followed by the hot weather and drought of 2012. Weather experts say that the last 50 years were rather “mild” in relationship to weather... | <urn:uuid:ae05a02f-597f-4962-8f10-3a2fd812a6e4> | 3.40625 | 279 | Truncated | Science & Tech. | 35.285028 |
Among the most powerful but as yet undetected events in the universe are the mergers of supermassive black holes. These billion-solar-mass monsters, residing in the centers of large galaxies, can glom together during galactic collisions after a spiraling dance, as shown here. The colorful bands represent propagating gr... | <urn:uuid:634174e0-9c8a-47e4-886d-5b459598f8cd> | 3.71875 | 191 | Knowledge Article | Science & Tech. | 22.633462 |
Solid state detectors
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment 623,1 (2010) 35-41;
Solid state detectors play a fundamental role in particle physics providing precision vertex detection, identification of heavy quarks and leptons, and mome... | <urn:uuid:8471e9e1-9b57-4209-a589-8cf8fa646da2> | 2.6875 | 172 | Academic Writing | Science & Tech. | 24.614634 |
Experimental Hall C - Under the Beamline
When electrons from the accelerator strike atoms in the target, fragments will fly throughout this room. Two sets of detectors will be used to measure the fragments. The largest detector goes off to the right and is used to measure electrons from the beam that have bounced off o... | <urn:uuid:d835e0f8-6020-4ab7-8c8b-87ed1018a927> | 3.984375 | 104 | Knowledge Article | Science & Tech. | 57.872129 |
Here is the same with the pentagramma, but without the sphere (play with the sliders, and try to get a sense of how the octahedra interconnect):
And here are just the five octahedra:
The five octahedra together define what is called a “compound” solid, and, as a compound, exist as an artifact of the pentagramma mirific... | <urn:uuid:03ab015c-b566-4710-ac2b-d110000ecd75> | 3.5625 | 845 | Tutorial | Science & Tech. | 21.934765 |
WHAT WE KNOW ABOUT HURRICANES; Several Theories Have Been Put Forth to Explain Them
By ROBERT K. PLUMB ();
September 05, 1954,
, Section REVIEW OF THE WEEK, Page E8, Column , words
Four to six tropical cyclones build up to hurricane force each year and move out of the region of the equatorial doldrums into the Gulf of ... | <urn:uuid:01564dc7-c7c4-4a3c-9ebc-a189961e45af> | 3.015625 | 103 | Truncated | Science & Tech. | 46.895631 |
We know that different languages can have different alphabets. The first step in localizing an alphabet is to find a way to represent, or encode, all its characters. In general, alphabets may have different character encodings.
The 7-bit ASCII codeset is the traditional code on UNIX systems.
The 8-bit codesets permit t... | <urn:uuid:72e3f1c7-04f4-4b77-8054-f3232c25f0e7> | 4.25 | 2,331 | Documentation | Software Dev. | 37.724055 |
How much of planet Earth is made of water?
Very little, actually.
oceans of water cover about 70 percent of Earth's surface, these oceans are
shallow compared to the Earth's radius.
The above illustration shows what would happen is all of
the water on or near the surface of the Earth were bunched up into a ball.
The ra... | <urn:uuid:3364245f-4d1a-4fda-8ce0-b00a298a32f1> | 3.28125 | 156 | Content Listing | Science & Tech. | 61.305714 |
superimposed epoch method
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.
study of biosphere and temperature impact
...leafing on the buildup of humidity in the lower atmosphere has received the... | <urn:uuid:a4a50c5e-52e3-451c-a829-a8790c2dc2c2> | 2.765625 | 158 | Knowledge Article | Science & Tech. | 54.538774 |
Deividson on Databases: Triggers
Triggers are pieces of code executed automatically when a certain action happens. That action can be any kind of data manipulation (insertion, update, or deletion). It can also be executed before or after the actual data manipulation, having different options and uses (validating data, ... | <urn:uuid:6baebc09-ab52-4b8d-976e-ec65cbe77395> | 3.40625 | 1,937 | Personal Blog | Software Dev. | 43.25528 |
Bloodsuckers they may be, but who's to say they can't be useful too? Leeches store blood from their most recent meal for months, betraying the identity of their prey to those who care to look – which could help find and count endangered species.
Tom Gilbert of the University of Copenhagen in Denmark fed goat blood to l... | <urn:uuid:b6ea4f23-9c5a-4a58-b535-f5878f3443bb> | 3.328125 | 348 | Truncated | Science & Tech. | 68.635956 |
- guardian.co.uk, Monday 21 February 2011 00.01 GMT
- Subscribe via iTunes
- Download mp3
- Podcast feed URL
On the 12 April 1981, Columbia blasted off from Cape Canaveral. It was the first shuttle to go into space.
Thirty years on, the shuttle fleet is finally being taken out of service. The three remaining shuttles -... | <urn:uuid:0df6731b-fe66-4bd7-a5e5-ef8d0c1fc1da> | 2.984375 | 291 | Truncated | Science & Tech. | 63.885185 |
Harvard applied physics professor David Keith is building a machine that can suck carbon dioxide from the air. Keith has started a company called Carbon Engineering that has attracted venture capitalists that see a future for this technology.
The machine uses a three-step process to filter the air and separate and sequ... | <urn:uuid:ff5aeccb-c117-4995-bdf0-d221761b62f2> | 3.390625 | 292 | Knowledge Article | Science & Tech. | 46.065141 |
Past Time Linear Temporal Logic
Past time Linear Temporal Logic (ptLTL) is a logic for specifying properties of reactive and concurrent systems. ptLTL provides temporal operators that refer to the past states of an execution trace relative to a current point of reference. The logic plugin here is based on an rewriting-... | <urn:uuid:cc672424-decf-4ca7-81eb-e5343d0e7b2d> | 3.0625 | 759 | Documentation | Software Dev. | 64.985812 |
"If you have ants in your house," the great Harvard ecologist EO Wilson once said, "be kind to them." Keep this in mind the next time you want to flick one off the kitchen table: The tiny critters, which collectively weigh about as much as all of humanity, could wield a big weapon in the fight against climate change.
I... | <urn:uuid:2e0a747a-b072-49da-b1cb-0d5f60d95e16> | 3.03125 | 305 | Knowledge Article | Science & Tech. | 60.938714 |
What is Global Warming?
There is a good probability that you've got heard of global warming before. After all, global warming is often talked about on the radio, tv, and even on the internet. Although there is a good probability that you have heard of global warming before, chances are you'll not essentially know what ... | <urn:uuid:8e0d6065-cbb4-41b4-b546-2636fc26a6be> | 3.046875 | 782 | Knowledge Article | Science & Tech. | 42.118501 |
Planning on colonizing the moon? Cyanobacteria may be your best friend:
The cyanobacteria were taken from hot springs in Yellowstone National Park in Wyoming, US. When put in a container with water and simulated lunar soil, the cyanobacteria were found to produce acids that are amazingly good at breaking down tough min... | <urn:uuid:cbc79529-751d-4130-a089-5d884de579d8> | 3.703125 | 150 | Personal Blog | Science & Tech. | 34.863983 |
Qualifies for the list as a Declining Yellow List Species
|Photo: Jeff Higgott
Formerly breeding in the U.S. from the Gulf Coast and in the Ohio and Mississippi Valleys as far north as Minnesota, the Swallow-tailed Kite now breeds from coastal South Carolina south to Florida and west to Louisiana and east Texas, where ... | <urn:uuid:c2115d58-4474-4f96-bcc6-becebed6dfe2> | 3.453125 | 403 | Knowledge Article | Science & Tech. | 48.31503 |
Editor's note: This activity is both on the Astrocappella web site and the CD-ROM featured in this article. You can read the lyrics to "Doppler Shifting" and hear it performed by the Chromatics at the same site.
Here It Comes, There It Goes!
An activity by Kara C. Granger related to: 'Doppler Shifting'
Every student ca... | <urn:uuid:3a2a543b-00f3-47e0-a047-1cde1c6c3129> | 3.6875 | 1,064 | Tutorial | Science & Tech. | 59.909192 |
|The type of HTML input tag that we will discuss in this tutorial is the password input tag. The password input tag is very similar to the text input tag that we discussed in the last tutorial. You should read that tutorial before you continue. When you sign in to any private or protected area such as a customer accoun... | <urn:uuid:7b0d67c0-e26a-437e-82f1-7da7a317578e> | 3.234375 | 198 | Tutorial | Software Dev. | 61.129352 |
So how did 2011’s weather shake out in the grand scheme of things? First off, let’s make sure we are all on the same page regarding the difference between weather and climate.
Weather refers to the short term, while climate is about the long term. Weather can be what’s happening outside your window right now or what th... | <urn:uuid:1465a59d-fce0-4967-a7da-ea9ecb591490> | 3.125 | 676 | Knowledge Article | Science & Tech. | 61.333333 |
A remote-controlled robot may stop satellites in space from running on empty.
As part of a NASA project, researchers at John Hopkins University have modified a robotics console normally used in surgery so it could be used to operate a filling station in space. By refueling aging satellites, their owners can get more us... | <urn:uuid:3db49f29-c44e-4d51-ace2-861588df1374> | 2.984375 | 120 | Truncated | Science & Tech. | 25.073846 |
|A view of Hyperolius nimbae revealing its red legs.|
The Mount Nimba reed frog (Hyperolius nimbae) is known only from lowlands on the south-eastern foot of Mount Nimba in Cote d'Ivoire. It may occur in Guinea and Liberia but this has never been confirmed. With its bright reddish limbs this frog is highly conspicuous a... | <urn:uuid:a486eefa-da03-44fd-9bfd-e46fc13fa055> | 2.765625 | 246 | Knowledge Article | Science & Tech. | 50.407858 |
From the moon to the earth
A rocket taking off from the surface of a planet or other celestial body will escape its gravitational field and continue moving in space, only if it reaches a speed that exceeds the “escape velocity”. Then, even without further propulsion, the rocket will keep moving indefinitely in space, u... | <urn:uuid:31b08aaa-781b-4a0a-9909-4ff00f9193f3> | 4.21875 | 370 | Tutorial | Science & Tech. | 53.773564 |
Rich Zwelling is one of the expert teachers in Knewton’s GMAT course. “Combinatorics” is a word he throws around casually.
I was recently discussing a particular GMAT problem with a friend, and as so often happens with standardized-test nerds, the discussion turned into an extended analysis. We can’t help ourselves, I ... | <urn:uuid:c2b28a18-7714-41f5-99ef-c0785c1c1c69> | 2.734375 | 935 | Personal Blog | Science & Tech. | 59.203964 |
Return to Lesson List
Chapter 7: Air, Water, and Energy
NOAA Photo Library: National Undersea Research Program (NURP) Album:
Dive into the deep with this photo album full of images of ocean life, sea floor formations, and scientific submersibles.
Can you really get electricity from water? Find out how here and learn wh... | <urn:uuid:2ce4e4bd-8a44-4b36-bd61-b124c74f3a10> | 3.390625 | 191 | Content Listing | Science & Tech. | 48.999167 |
Pulsars are very small, dense stars known as neutron stars, as small as only 20 km in diameter. We can detect regular periodic bursts of electromagnetic radiation that these stars emit as they spin. Some of them spin very fast - up to 1000 revolutions per second!
The very first pulsar was accidentally discovered in 196... | <urn:uuid:bec65ab1-af31-48a2-9a09-86a4e029571c> | 4.15625 | 395 | Knowledge Article | Science & Tech. | 45.07831 |
Variables (VB Classic and C# Cross Reference Guide)
By Mike Prestwood
VB Classic versus C#: A side by side comparison between VB Classic and C#.
Language basics is kind of a catch all for absolute beginner stuff. The items (common names) I chose for language basics is a bit random and include items like case sensitivit... | <urn:uuid:2608df84-98ed-4ec2-b008-d1955d442914> | 2.90625 | 165 | Truncated | Software Dev. | 50.61 |
In general, a metamorphic rock is coarser and has a higher density and lower porosity than the rock from which it was formed. Under low grade metamorphic conditions, the original rocks may only compact, as in the formation of slate from shale. High grade metamorphism changes the rock so completely that the source rock ... | <urn:uuid:a10a0177-6ae1-472b-b732-47d2ff32e833> | 4.28125 | 2,363 | Knowledge Article | Science & Tech. | 20.481657 |
From Tracy Churchill, 2000. Impacts of fire and
grazing on invertebrates. In Managing for healthy country in the
VRD eds. Tropical Savannas CRC. Tracy Churchill is from CSIRO
Wildlife and Ecology.
A project undertaken at Mt Sandford and Kidman Springs has shown
that invertebrates such as spiders, ants, beetles and gras... | <urn:uuid:3b311f1a-8a80-4edf-ae8c-4e2fdc435902> | 3.546875 | 1,018 | Knowledge Article | Science & Tech. | 35.236454 |
There's a good chance that pile of snow in your yard contains bacteria -- but not because it's dirty. The bacteria may have played an important role in helping those snow crystals form. New work published this week in the journal Science suggests that bacteria may play a surprisingly important role in guiding the forma... | <urn:uuid:7035a43d-0f04-409d-b9b2-39fd9b5e2218> | 3.234375 | 155 | Truncated | Science & Tech. | 40.961727 |
Coronal Hole on the Sun
This image of a coronal hole on the sun bears a remarkable resemblance to the 'Sesame Street' character Big Bird. Coronal holes are regions where the sun's corona is dark. These features were discovered when X-ray telescopes were first flown above the Earth's atmosphere to reveal the structure o... | <urn:uuid:2e8ef36c-8e59-48b1-8423-abbe6c431dc9> | 3.515625 | 351 | Truncated | Science & Tech. | 21.716446 |