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Hello guys, Thank you for your help on my last question. I have another very simple question. I have been trying to figure this out for a while, and since my professor doesn't help me in the class I have to turn to you guys. Here is the assignment:
Write a C++ program that inputs a number from the keyboard between 0 an... | <urn:uuid:e61f74d7-385a-4722-afe8-86941eaf6894> | 3.1875 | 566 | Comment Section | Software Dev. | 80.281961 |
ANSI Common Lisp 15 Arrays 15.1 Array Concepts
15.1.2 Specialized Arrays
An array can be a general array,
meaning each element may be any object,
or it may be a specialized array,
meaning that each element must be of a restricted type.
The phrasing "an array specialized to type <<type>>"
is sometimes used to emphasize ... | <urn:uuid:f09a5a67-2681-4751-a004-b407755a2562> | 3.21875 | 181 | Documentation | Software Dev. | 54.739591 |
Agile development model is also a type of Incremental model. Software is developed in incremental, rapid cycles. This results in small incremental releases with each release building on previous functionality. Each release is thoroughly tested to ensure software quality is maintained. It is used for time critical appli... | <urn:uuid:70aa8ed1-0116-425b-8bcf-d17aa8959afc> | 2.8125 | 536 | Knowledge Article | Software Dev. | 25.410716 |
Update! I’ve added a few more experiments for your Mad Scientist’s laboratory. Here’s an new post of 10 spooky Halloween Science experiments (including those below) posted this Oct. (2012) : Click here to check them out.
Since lots of people are looking for fun science experiments to do for Halloween, I compiled some o... | <urn:uuid:b1b67b9d-59b9-4c11-904c-a7b4ab04d5dc> | 2.765625 | 646 | Personal Blog | Science & Tech. | 68.538148 |
On the tail of my post about planetary snowballs, the Faint Young Sun Paradox has raised its head again. Three to four billion years ago the Sun was only about 70% as luminous as it is today - it was young and its core temperature was a little lower, so the output of radiation was somewhat less. This has long been a ve... | <urn:uuid:204ead74-db23-4a4a-b165-547780642286> | 3.484375 | 351 | Comment Section | Science & Tech. | 52.204381 |
Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.
An activity making various patterns with 2 x 1 rectangular tiles.
A hallway floor is tiled and each tile is one foot square. Given
that the number of tiles around the perimeter is EXACTLY half the
total num... | <urn:uuid:36d2e25c-ac65-4409-833d-88199b5cd926> | 2.96875 | 462 | Tutorial | Science & Tech. | 74.673614 |
How many loops of string have been used to make these patterns?
I've made some cubes and some cubes with holes in. This challenge
invites you to explore the difference in the number of small cubes
I've used. Can you see any patterns?
Create a pattern on the left-hand grid. How could you extend your pattern on the right... | <urn:uuid:e1cb3180-8f5c-4e06-96cb-243bcfa941f8> | 3.0625 | 215 | Content Listing | Science & Tech. | 76.775533 |
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
There are nine teddies in Teddy Town - three red, three blue and th... | <urn:uuid:a0b6b308-da61-4706-82e5-07493ff0e896> | 2.8125 | 1,354 | Content Listing | Science & Tech. | 73.081224 |
This photomosaic is a careful compilation of multiple images of a mussel bed at the Atwater Valley 340 site. The images were taken with a downward-looking still camera in 2006. Click image for larger view and image credit.
The sea-floor community of tubeworms, mussels, shrimp, and a crab in the Green Canyon 852 (GC 852... | <urn:uuid:6975013b-2096-4563-8a36-7864e29e13b4> | 3.046875 | 1,585 | Knowledge Article | Science & Tech. | 44.386013 |
This is about simple random walk (as defined in theory). Uses the cairo library. A ball walks randomly on the screen and leaves a trace behind.
Defined probability for the next step to walk is 0.5. Probabilities for left step and other parameters are pre-defined however someone can change them from inside the construct... | <urn:uuid:398eb132-e8e0-4b20-8b66-2a81c1432176> | 3.1875 | 211 | Documentation | Software Dev. | 56.004091 |
|Ada 95 Quality and Style Guide||Chapter 3|
Make reserved words and other elements of the program visually distinct from each other.
Use lowercase for all reserved words (when used as reserved words).
- Use mixed case for all other identifiers, a capital letter beginning every word separated by underscores.
- Use upper... | <urn:uuid:7062308c-4a40-4938-b009-8e32dad0b52b> | 3.078125 | 520 | Documentation | Software Dev. | 29.640825 |
Saturday 15 June
Common cockchafer (Melolontha melolontha)
Common cockchafer fact file
- Find out more
- Print factsheet
Common cockchafer description
This common, large beetle often crashes into lighted windows at night during early summer (3). It is a familiar beetle that belongs to the same family as dung beetles (S... | <urn:uuid:b16e091e-e603-4985-b437-11aecd41acf1> | 3.359375 | 1,527 | Knowledge Article | Science & Tech. | 44.664039 |
Botany online 1996-2004. No further update, only historical document of botanical science!
Phototropismis a growth movement induced by a light stimulus. Growth towards a source of light is called positive phototropism, that away from the source is termed negative phototropism. The tips of shoots are usually positively,... | <urn:uuid:8bcdfc42-4978-4516-97dd-a1521d437d1a> | 3.609375 | 1,096 | Knowledge Article | Science & Tech. | 45.684797 |
Set your doomsday clock now: Earth will be ripped from the sun just before universe blows up (.... but only in 16.7 billion years)
By Rob Waugh
This is the way the world ends: Two months before doomsday, the Earth will be ripped from the Sun, and five days before the moon will be torn from the earth
A doomsday timetabl... | <urn:uuid:d8a60844-0800-49cc-a3a2-f0b7563bc122> | 3.109375 | 526 | Truncated | Science & Tech. | 55.6191 |
int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);
returns the real UID, the effective UID, and the saved set-user-ID
of the calling process, in the arguments
performs the analogous task for the process's group IDs.
On success, zero is returned.
On error, -1 is r... | <urn:uuid:bb6b71d2-a1bf-45c9-8858-1d5263aa4b14> | 2.71875 | 191 | Documentation | Software Dev. | 70.605808 |
Degradation of Natural Resources
The disappearance of natural resources damages an area and limits its ability to sustain a population. The population could be trees, sea grass, animals, or even people. Often, this damage is the result of beneficial activities performed irresponsibly. Wastewater discharged into an estu... | <urn:uuid:f0137c01-8d76-4f4a-99a1-165e5b7ef466> | 4.0625 | 500 | Knowledge Article | Science & Tech. | 27.271231 |
Apache has fast become one of the most commonly used web server solutions today. With its use comes the ability to manipulate the behaviour of your site in certain ways (server-side) from a type of file called .htaccess. This guide covers the various commands, and possibilities of using such a file.
Firstly, in order t... | <urn:uuid:19b64e06-2208-4506-9890-98740f368c16> | 2.6875 | 578 | Tutorial | Software Dev. | 52.649937 |
Carbon-neutrality has never been more highly prized. Half of New Zealand's greenhouse gas emissions come from the guts of sheep and cows; Norway spews ever more gases from its North Sea oil platforms; Iceland has soaring emissions thanks to its aluminium smelters. But all have promised to cut their emissions to zero by... | <urn:uuid:24284db1-3c1f-455b-867a-df3ada762ea3> | 3.21875 | 201 | Truncated | Science & Tech. | 41.881105 |
Chip Somodevilla/Getty Images
The Rotating Service Structure (L) swings back to reveal the space shuttle Atlantis at Kennedy Space Center, Cape Canaveral, Florida, on July 7, 2011. The U.S. space program has served as a source of inspiration to generations of Americans.
The Rotating Service Structure (L) swings back to... | <urn:uuid:d15a824d-28ec-4928-a4a6-aa42e8577af2> | 3 | 766 | Nonfiction Writing | Science & Tech. | 61.196813 |
May 28, 2010
Science Scene - Jurassic Park Looms?
For now, the team plans to study Australian marsupials like the extinct thylacine, a small tiger, and endangered Tasmanian Devil.
The team's method for re-creating the blood was a breakthrough in itself. Researchers used DNA that had been extracted from Siberian mammoth... | <urn:uuid:2056a3c3-9ba4-441e-97ed-0ade420be9e5> | 3.890625 | 241 | Personal Blog | Science & Tech. | 51.25411 |
ANSI Common Lisp 3 Evaluation and Compilation 3.2 Compilation
3.2.1 Compiler TerminologyThe following terminology is used in this section.
The compiler is a utility that translates code into an implementation-dependent form that might be represented or executed efficiently. The term compiler refers to both of the funct... | <urn:uuid:10e26b50-fbb8-4363-a647-bd3ade90591d> | 3.203125 | 545 | Documentation | Software Dev. | 23.910797 |
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Sub Resize ( Width As Float, Height As Float )
Changes the size of a PDF surface for the current (and subsequent) pages.
- Width : the width of the page in millimeters.
- Height : the height of the page in millimeters.
This function should only be called before any drawing operations have been p... | <urn:uuid:020b976c-5d1a-4b21-ba18-dc2f713cff04> | 2.796875 | 144 | Tutorial | Software Dev. | 58.870552 |
Java Assertion or assert keyword in java is little unknown and not many programmer is familiar with this and it's been rarely used specially if you have not writing unit test using JUnit which extensively uses Java assertion to compare test result. Junit itself is the biggest manifestation of what assertion in Java can... | <urn:uuid:59126911-d3cd-49d4-8cad-d27b9ad1a4f8> | 3.921875 | 1,032 | Personal Blog | Software Dev. | 31.070782 |
The concept of dark matter arose as a solution to a problem that has been puzzling astronomers for decades. Galaxies, when observed, rotate at a much faster rate than is expected for the estimated mass they contain. Astronomers and physicists have suggested that the extra mass may be accounted for by dim objects that o... | <urn:uuid:0cadb9b9-209c-47bd-a3c1-168469283640> | 3.921875 | 137 | Knowledge Article | Science & Tech. | 32.319759 |
The sum of the internal angles of a triangle on a sphere is greater than 180°, and related to the area of the triangle
The area of a spherical triangle with interior angles α, β, γ is S = r2 (α + β + γ - π), a remarkable formula because it does not contain the lengths of the sides. This formula is most easily found by ... | <urn:uuid:92c786a7-77c4-492b-a7b8-8585097c79cb> | 4.25 | 934 | Academic Writing | Science & Tech. | 67.77815 |
A relatively large turtle with a brown carapace with yellow or orange streaks or highlights, and a yellow plastron with black markings on each scute. The skin of the neck and limbs is orange, brighter in spring and autumn. Adults measure 5.5 to 7.5 inches (14 to 19 cm) in total length. An older common name for this tur... | <urn:uuid:23d75416-eac0-4f32-907e-10cd56a9f58d> | 2.75 | 555 | Knowledge Article | Science & Tech. | 58.809243 |
condition. The condition system was influenced by the Common Lisp error system [? ] and the Standard ML exception mechanism. It is a simplification of the former and an extension of the latter. Following standard practice, this text defines the actions of functions in terms of their normal behaviour. Where an exception... | <urn:uuid:a7070e4c-bf78-4a31-97b1-c42352079ac2> | 3.21875 | 808 | Documentation | Software Dev. | 36.721127 |
I was clearing out a bunch of pictures I took on my old cell phone, and I had forgotten that I snapped these photos last winter …
Now there are some people who believe that things such as crop-circles are the handy work of extra-terrestrials. They are likely to say: “Who or what else could create such perfect patterns?... | <urn:uuid:5056a56c-a258-4a38-9093-65ac0432c486> | 2.765625 | 1,958 | Personal Blog | Science & Tech. | 57.568675 |
This is a post by Sarah Opfer, NOAA Marine Debris Program Great Lakes Regional Coordinator.
The “Great Pacific Garbage Patch“—a purported island of trash twice the size of Texas floating in the Pacific Ocean—receives a lot of media attention. Recent reports suggest that a similar garbage patch may be developing in the ... | <urn:uuid:b48487f2-56ac-4d6c-b992-7f4ed891f938> | 3.765625 | 737 | Personal Blog | Science & Tech. | 45.953161 |
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.
...for more than 300 years, until the perfection of mechanical calculating machines in the late 19th century and computers in the 20th century ren... | <urn:uuid:d36f028b-ad0b-4d03-a470-06e0ba687509> | 3.09375 | 164 | Knowledge Article | Science & Tech. | 46.715732 |
Distributed programming has several basic common architectures: client-server, peer-to-peer, distributed objects, clustering, and grid computing. These architectures are not all mutually exclusive, and particular implementations may be combinations of these architectures.
- In the client-server scheme, client code requ... | <urn:uuid:3f7b6a64-3649-43e7-8f52-40253108ae97> | 3.8125 | 1,394 | Documentation | Software Dev. | 37.43777 |
Schematic three dimensional cross section of a cell membrane. There are two major components of this dynamic, fluid, structure: lipids and proteins. A lipid bilayer provides the basic structure within which proteins are free to diffuse. Sugar moieties can be present as part of either proteins (glycoproteins) or lipids ... | <urn:uuid:4ec8dc9d-d733-4e80-b01f-48ff36004d12> | 2.953125 | 264 | Truncated | Science & Tech. | 36.142759 |
Robert Andrews Millikan
The American physicist Robert Andrews Millikan, b. Morrison,
Ill., Mar. 22, 1868, d. Dec. 19, 1953, determined through an
oil-drop experiment the value of the charge on an electron and
demonstrated that the charge was a discrete constant rather than
a statistical average. For this work, as well ... | <urn:uuid:a494b508-265e-411d-b05c-9e4441642251> | 3.3125 | 151 | Knowledge Article | Science & Tech. | 58.444573 |
Microscopy is the science of producing and observing images of objects that cannot be seen by the unaided eye. A microscope is an instrument which produces the image. The primary function of a microscope is to resolve, that is distinguish, two closely spaced objects as separate. The secondary function of a microscope i... | <urn:uuid:5e7320eb-9c84-4c73-b962-d7c67bd224ad> | 3.546875 | 1,049 | Content Listing | Science & Tech. | 25.484304 |
Loading the player ...
This podcast is part of the series: forces
Baldwin County School district
This podcast was designed to cover the force of gravity. The purpose of this particular podcast is to compare weight on the various planets as a result of the force of gravity on a mass.
Content Areas: Science
Alabama Cours... | <urn:uuid:92aa931b-3085-4f98-9dd8-dde71b5d7c52> | 3.40625 | 213 | Truncated | Science & Tech. | 41.195427 |
A chemical element, often called simply an element, is a substance that cannot be decomposed or transformed into other chemical substances by ordinary chemical processes. All matter consists of these elements and as of 2006, 117 unique elements have been discovered or artificially created. The smallest particle of such... | <urn:uuid:74fecbd0-4d10-430f-b850-24c02bf060d8> | 3.796875 | 2,676 | Knowledge Article | Science & Tech. | 26.053012 |
- This target means to open the URL in the current buffer.
- This target means to open the URL in a new buffer, and to switch to that buffer.
- This target means to open the URL in a new buffer, but not to switch to that buffer.
- This target means to open the URL in a new buffer, in a new window.
- This is like OPEN_C... | <urn:uuid:12fd49e7-c131-42ec-bf13-b7f3b515ce1e> | 3.015625 | 261 | Documentation | Software Dev. | 58.841077 |
|This article is a stub. You can help out by.|
Introduced as an ARB extension to the OpenGL Specification as of version OpenGL 1.4 and promoted to a 'Core' function in OpenGL 2.0, GLSL is a high level language used to define vertex, fragment, and with the new DX10 class of hardware geometry shaders.
GLSL (a.k.a. glslan... | <urn:uuid:e8bf96eb-6b83-4f72-b9ee-5911e8b29ba5> | 3.765625 | 387 | Knowledge Article | Software Dev. | 55.332339 |
Solar and Heliospheric Observatory
|Organization||ESA / NASA|
|Launch date||December 2, 1995|
|Launch vehicle||Atlas IIAS|
|Mission length||17 years, 5 months, and 20 days elapsed|
|Mass||1,850 kg (610 kg payload)|
|Orbit height||1.5×106 km (heliocentric)|
|Orbit period||1 Earth year|
|Wavelength||optical through UV, a... | <urn:uuid:9f77c61d-16f0-437b-813c-b57b8607b559> | 2.984375 | 3,719 | Knowledge Article | Science & Tech. | 42.75099 |
I thought case statement is like if statement. So in my example, when i is 4 and it meets case 1, then case 1 is not going to be entered. Why am I wrong? Thanks.
Larry, don't you see your reasoning is faulty?
OK, so what does break do? What purpose does it serve if, by your reasoning, once a case condition is met, the ... | <urn:uuid:2395adc0-1d56-41e4-812e-09fa7af5ba50> | 2.796875 | 168 | Comment Section | Software Dev. | 75.868946 |
Most species of organisms are unrecognized for their unique, versatile abilities, appearance and existence. When we think of organisms we often think of the typical dog, cat and other household pets. When we think of wild organisms, we think of zebras, lions, monkeys and other animals seen in habitats that are known fo... | <urn:uuid:cd332afc-5fcc-42e0-962c-7cdc043acb89> | 2.765625 | 142 | Listicle | Science & Tech. | 34.163164 |
Fungi are not plants.
Living things are organized for study into large, basic groups called kingdoms. Fungi were listed in the Plant Kingdom for many years. Then scientists learned that fungi show a closer relation to animals, but are unique and separate life forms. Now, Fungi are placed in their own Kingdom.
It is a h... | <urn:uuid:dc1d45fe-92cc-4a00-a106-c410620ceb76> | 3.359375 | 583 | Knowledge Article | Science & Tech. | 53.9866 |
In this example the stereochemistry is given by up/down-bonds except at position 4 (C-6 within the drawing) where the two methylgroups are located. From the drawing it is unspecified which methylgroup is in axial or equatorial position respectively, therefore the methylgroups can't be distinguished resulting in a predi... | <urn:uuid:d09ce6c4-8bdf-4b3b-b29a-e4e69ebaafcb> | 3.046875 | 197 | Documentation | Science & Tech. | 47.538547 |
How to parse xml file in Java or how to read xml file in java is one of common need of a Java Developer working with enterprise Java application which uses XML for data representation, messaging and data transfer. Java has good support to handle XML files and XML Documents and you can read XML File in Java, create or w... | <urn:uuid:b7f6f565-2455-45b4-ae32-aa38ce071236> | 2.84375 | 513 | Tutorial | Software Dev. | 62.621578 |
Fundamental Concepts of Force
When we push or pull on a body, we are said to exert a force on it. Forces can also be exerted by inanimate objects. For example, a locomotive exerts a force on a train it is pulling or pushing. Similarly, compressed air in a container exerts a force on the wall of the container.The force ... | <urn:uuid:2dd1f420-b6af-4d2d-8f93-492e32742083> | 4.40625 | 552 | Knowledge Article | Science & Tech. | 46.423698 |
A question which has been vexing astronomers for a long time is whether the forces of attraction between stars and galaxies will eventually result in the universe collapsing back into a single point, or whether it will expand forever with the distances between stars and galaxies growing ever larger. Toby O'Neil describ... | <urn:uuid:1de4f68e-658a-475b-8064-b70673deb7f4> | 2.765625 | 233 | Truncated | Science & Tech. | 34.523077 |
(E27) Electro-Magnetic Waves, at last!
James Clerk MaxwellJames Clerk Maxwell was born in Edinburgh, Scotland, in 1831 when Faraday also discovered electromagnetic induction. His father was a well-to-do attorney, but his mother died when he was young leaving him the only surviving child in the family. He studied in the... | <urn:uuid:8c211478-d846-48e3-9c66-0f4d5bf9011c> | 3.265625 | 1,964 | Knowledge Article | Science & Tech. | 39.502772 |
A chlorobenzene (phenyl chloride) is formed if benzene is treated with chlorine in the presence of ferric chloride but the absence of water.
The reaction is driven to completion by the gentle heating of the reaction mixture. The overall equation of the reaction is:
Firstly, it is necessary for there to be an electrophi... | <urn:uuid:38c21e03-029a-49cc-813c-27cb919a0a55> | 3.671875 | 242 | Knowledge Article | Science & Tech. | 36.026382 |
1207 Pine Leaf-mining Moth Clavigesta purdeyi
(Durrant, 1911)Wingspan 10-12 mm.
Quite a small Tortricid, this moth, in common with some other coniferous-feeding species, has expanded its range during the last century. Earlier only occurring in southern England, it is now widely distributed in England and Wales.
The lar... | <urn:uuid:dd8b9d26-cc95-4380-af07-d1b5b89db31c> | 3.234375 | 114 | Knowledge Article | Science & Tech. | 48.354 |
And they wonder why the weather has changed...
Climate Progress / By Joe Romm
Global CO2 Emissions Hit New Record in 2011, Keeping World on Track for 'Devastating' 11°F Warming
The scientific literature now makes clear that even 7°F warming would destroy the livable climate 7 billion people have come to depend upon.
Ma... | <urn:uuid:a4282700-43da-4645-9774-9bd67604ab23> | 2.71875 | 1,932 | Comment Section | Science & Tech. | 54.768943 |
Regional trends of wind storm occurrence in Europe are investigated using the 20th Century Reanalysis (20CR). While based on surface observations only, this dataset produces storm events in good agreement with the traditional ERA40 and NCEP reanalyses. Time series display decadal-scale variability in the occurrence of ... | <urn:uuid:6e2119c5-aaf6-433d-8ffb-5692e0c184ce> | 3.015625 | 191 | Knowledge Article | Science & Tech. | 41.984859 |
Climate change is a reality. Today, our world is hotter than it has been in two thousand years. By the end of the century, if current trends continue, the global temperature will likely climb higher than at any time in the past two million years.
Temperature change 1765-2100: Graph excerpted from the IPCC's Third Asses... | <urn:uuid:9a10f6a0-8199-4e56-9a5a-c68a7782113e> | 4.375 | 569 | Knowledge Article | Science & Tech. | 41.784415 |
Physics- PLEASE HELP
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carouse...
3. A 2000 kg sports ca... | <urn:uuid:fb6a6176-0ed3-4840-bfd0-3bcb3af387d6> | 2.734375 | 501 | Content Listing | Science & Tech. | 81.5272 |
Bignum Euler's Totient
Sorry, this page is not working for certain browsers, and I'm not sure why. If it doesn't work for you, my apologies.
Euler's Totient, for some positive integer n, is how many positive integers there are less than n which share no common factors with it. (In math-speak, numbers with no common fac... | <urn:uuid:77b66d25-e7db-428c-a885-706590fb2b9a> | 2.90625 | 94 | Personal Blog | Science & Tech. | 58.546786 |
How Would Nuclear War Affect The Climate?
"I'm drawn to extreme scenarios," said Luke Oman, a climate scientist at NASA's Goddard Space Flight Center in Greenbelt, Md. Perhaps the most extreme scenario in his portfolio is nuclear conflict. Using a NASA computer simulation, Oman and colleagues model the climate's respon... | <urn:uuid:22d02821-a175-4ca8-a219-3bacd7329be4> | 3.578125 | 1,041 | Audio Transcript | Science & Tech. | 41.601972 |
Ray Optics: Refraction and Lenses
Refraction and Lenses: Audio Guided Solution
A light ray is traveling through crown glass (n = 1.52) and approaching the boundary with water (n = 1.33) as shown in the diagram at the right.
a. Use a protractor to measure the angle of incidence of the light ray in the crown glass.
b. Ca... | <urn:uuid:65426187-b2df-4191-9a50-ad7ed6208364> | 4.09375 | 296 | Tutorial | Science & Tech. | 58.235947 |
stellar evolution, life history of a star, beginning with its condensation out of the interstellar gas (see interstellar matter) and ending, sometimes catastrophically, when the star has exhausted its nuclear fuel or can no longer adjust itself to a stable configuration. Because a star's total energy reserve is finite,... | <urn:uuid:0a6c0f0c-3cdd-4ddb-b8ed-246e6e541774> | 3.640625 | 1,781 | Knowledge Article | Science & Tech. | 34.450361 |
define-structure form introduces a binding of a name to a
structure. A structure is a view on an underlying package which is
created according to the clauses of the define-structure form.
Each structure has an interface that specifies which bindings in the
structure's underlying package can be seen via that structure i... | <urn:uuid:a0aac95e-2de1-4c24-a807-5e0563edcc89> | 2.90625 | 913 | Documentation | Software Dev. | 38.224969 |
Table of contents
The specific three dimensional arrangement of atoms in molecules is referred to as molecular geometry. We also define molecular geometry as the positions of the atomic nuclei in a molecule. There are various instrumental techniques such as X-Ray crystallography and other experimental techniques which ... | <urn:uuid:859a8921-cb72-4cdf-b7ed-32b46b189e99> | 4.28125 | 449 | Knowledge Article | Science & Tech. | 28.453 |
I am asking for help in basic Prolog, a language whose paradigms are difficult for me to grasp. I am very familiar with other languages (C++, Lisp, Java, Assembly, etc.) but am a complete novice with Prolog.
What needs to be solved - in basic English: given 2 parameters, find a corresponding number in a 2D Array.
The p... | <urn:uuid:3277479c-8fca-4640-a8c1-4bf388f8cf71> | 2.921875 | 329 | Q&A Forum | Software Dev. | 78.830577 |
A BK-Tree is a really cool data structure for building a “dictionary” of similar words. It can be used to guess that you meant “cat” when you wrote “cta”. It works by building a tree with words from a dictionary by using the first word as a root node and then attaching subsequent words with a branch of length d(root_wo... | <urn:uuid:dc997d4a-7ee9-449c-97cb-7fed755871b1> | 3.59375 | 1,164 | Documentation | Software Dev. | 75.153218 |
Algae biofuel is something that is currently receiving lot of attention and many consider this as one of the most promising biofuel technologies that should in years to come significantly reduce our dependence on fossil fuels.
It is not very difficult to spot the advantages of using algae biofuel. Algae biofuel can dec... | <urn:uuid:36354d91-4836-42fa-aeb2-63e44aef4d6b> | 3.53125 | 665 | Personal Blog | Science & Tech. | 24.528304 |
Grismer organized this summer’s multi-nation animal-sleuthing trip and departed for Cambodia’s jungles determined to lead the group despite suffering an excruciating back fracture during a weight-lifting exercise a few weeks prior to the journey.
His sacrifices were rewarded and his push for jungle preservation bolster... | <urn:uuid:15256ce9-ae81-4c7e-9026-a91c46babcf2> | 2.78125 | 688 | Knowledge Article | Science & Tech. | 41.847458 |
The principle of the Three-Way-Alignment is to build up a multiple alignment by
constructing a tree and aligning sequences and pre-aligned
groups of sequences simultaneously:
Given N sequences and assume, that there is a tree topology for sequences and a multiple alignment for n sequences coupled to the tree, i.e n=5:
... | <urn:uuid:60c89eae-5fae-4a75-8c11-1d7750035d6e> | 3.015625 | 284 | Tutorial | Science & Tech. | 48.242116 |
The reasons for the design of RTLinux can be understood by examining the working of the standard Linux kernel. The Linux kernel separates the hardware from the user-level tasks. The kernel uses scheduling algorithms and assigns priority to each task for providing good average performances or throughput. Thus the kernel... | <urn:uuid:5008b5c0-4d71-4fe4-b252-9e85b0663d0e> | 3.796875 | 579 | Tutorial | Software Dev. | 33.06351 |
I walk 1km up the hill at 4km/h and 1km down the hill at 6km/h.
What is my mean speed?
Average speed (ie mean speed) is defined as "total distance travelled" divided by "time to travel the distance." (It is a common error to find two speeds and take a geometric average.) We know the distance, we need to find the time.O... | <urn:uuid:26066222-c8d5-464c-bd96-780e4370d9c7> | 3.03125 | 101 | Q&A Forum | Science & Tech. | 72.777923 |
Helm and Gwinner searched for signs of migratory behavior in two subspecies of stonechats, Saxicola torquata, comparing a migrant that breeds in Austria, S. t. rubicola, and its equatorial resident relative, S. t. axillaris. European stonechats are short-distance, nocturnal migrators that begin their journey when dayli... | <urn:uuid:f464db8a-a5e0-4410-a6e7-bd90e2a4f38c> | 3.9375 | 303 | Truncated | Science & Tech. | 34.366155 |
Siple Dome Ice Core Age-Depth Scales
This data set is part of the WAISCORES project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and analyzed ice cores from the Siple Dome, in the Siple Coast region, West Antarctica.
N... | <urn:uuid:9c12db18-2aa8-4c4d-8c8f-e98a6a39a3c8> | 3.046875 | 262 | Knowledge Article | Science & Tech. | 65.461145 |
Klotzbach, P. J., R. A. Pielke, Sr., R. A. Pielke, Jr., J. R. Christy, and R. T. McNider (2009), An alternative explanation for differential temperature trends at the surface and in the lower troposphere, J. Geophys. Res., 114, D21102, doi:10.1029/2009JD011841. Link
This paper investigates surface and satellite tempera... | <urn:uuid:c74f3217-9055-408f-95f5-ea02a9bfed74> | 2.78125 | 205 | Academic Writing | Science & Tech. | 48.3 |
Montage: Neptune and Triton
NASA – This computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune’s largest moon. The wind and sublimation eroded south polar cap of Triton is shown at the bottom of the Triton image, a cryovolcanic terrain at the upper right, and the enigm... | <urn:uuid:a196c7cb-6df2-47e6-89d8-cbbf7e554bc5> | 2.890625 | 210 | Content Listing | Science & Tech. | 33.645053 |
Web Servers and Python
Python-based Web servers have been available in the standard library for many years (see the BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer modules). To address various issues of scalability, robustness and convenience with such existing servers, other server frameworks and solutions have bee... | <urn:uuid:1a6e35bf-66a4-4e9d-99bd-d1ba78d383f0> | 2.71875 | 351 | Knowledge Article | Software Dev. | 32.508918 |
Events in August 1945 and thereafter have revealed that mathematics holds one of the most important keys to the future of the human race. The common man is curious to know how and why the science of numbers plays this basic role. The Main Stream of Mathematics attempts to appease this curiosity.
Modern Mathematics with... | <urn:uuid:02501c97-c513-481b-856e-a9afc9763da3> | 3.234375 | 652 | Academic Writing | Science & Tech. | 36.679493 |
As mentioned in the introduction to this chapter, the themes that are discussed as relevant for the development of ecosystem based management can be of three different types:
- Instances where impact of human activities on the ecosystem has been demonstrated or is likely
- Instances where there is a risk for such impac... | <urn:uuid:e1a91dcc-febb-41c5-84bf-9900fbc8c1d9> | 3.1875 | 317 | Content Listing | Science & Tech. | 20.34825 |
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.
characteristics of flow
Mafic (ferromagnesian, dark-coloured) lavas such as basalt characteristically form flows known by the Hawaiian names pahoe... | <urn:uuid:9e4ef7ac-450f-48d9-90ff-1b331bd20d54> | 3.375 | 314 | Knowledge Article | Science & Tech. | 53.313909 |
1/4x - 5/12x = x - 4/3 Please show steps and answer. Thanks.
If g(x)= -2^2 and h(x)=x-2/5. Find the indicated value. h(g(5)) I got -5.4. is that right?
How many grams are in one milliliter?
How do you solve this problem? 3/5k - (k + 1/3) = 1/15 (k + 3) Please show me the steps. Thanks.
In my book the anser for D is 2.6... | <urn:uuid:eb5663ba-52b2-4ecd-9f17-5518532d4c93> | 3.25 | 308 | Comment Section | Science & Tech. | 111.759166 |
Treasure Hunting on the Moon: LRO and the Search for Water
A bottle of one of the most expensive brands of water costs $40, and is presented in a frosted glass container decorated with crystal. On the moon, a bottle of water would run about $50,000, and forget about that heavy crystal glass. That's because it costs aro... | <urn:uuid:ea51f8c4-5d58-46a8-b971-c06862bedc6a> | 3.65625 | 1,826 | Knowledge Article | Science & Tech. | 46.219476 |
11:12 17 February 2010
From the tiny Anchiornis huxleyi to a feathered ancestor of Tyrannosaurus rex and the huge Gigantoraptor, Xu Xing's fossil finds have helped to unearth the evolutionary link between dinosaurs and birds.
Image 1 of 11
One of the first feathered dinosaurs ever uncovered, Beipiaosaurus was unearthed... | <urn:uuid:7a8bfeed-033c-4ebe-9991-c80dc553c56a> | 3.296875 | 143 | Truncated | Science & Tech. | 30.10945 |
The high-temperature superconductors known as Perovskites are a mixture of metal oxides which display the mechanical and physical properties of ceramics. YBaCuOx, (YBCO) is a very common Type II superconductor. A key element to the behavior of these materials is the presence of planes containing copper and oxygen atoms... | <urn:uuid:d9cb9770-62de-417c-8afb-7100e99e5f1f> | 3.96875 | 590 | Knowledge Article | Science & Tech. | 27.614118 |
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Standing on your tiptoes is hard enough, but imagine trying to do it while staying balanced on top of someone else's head. Or, just as difficult, imagine staying upright with someone standing on your head. To keep balanced, the Nanjing acrobats must be aware of their centers of mass, and the variou... | <urn:uuid:335c3ec0-456d-4350-9582-51f517a7a1a1> | 3.625 | 941 | Tutorial | Science & Tech. | 68.506345 |
Nov. 13, 2010 Over the next century, recruitment of new corals could drop by 73 percent, as rising carbon dioxide levels turn the oceans more acidic, suggests a new study led by scientists at the University of Miami Rosenstiel School of Marine and Atmospheric Science. The research findings reveal a new danger to the al... | <urn:uuid:f3cc73de-846b-43cc-a442-599e06daf1bc> | 3.453125 | 521 | Truncated | Science & Tech. | 24.550739 |
We are in the midst of a global extinction crisis. Biodiversity is in decline as species after species disappear. Some estimates predict that up to 50% of species will be committed to extinction by 2050. Other estimates claim the current rate of extinction may be 10,000 times the background rate. Many ecologists and co... | <urn:uuid:39672ef8-44f1-4f4b-b2a8-e25fbda5ea75> | 3.3125 | 163 | Personal Blog | Science & Tech. | 37.240127 |
"Lost World" Yeti Crab Swarm
A camera-equipped submersible robot filmed species such as barnacles, crabs, anemones, and even an octopus, all of which are mostly colorless and live in utter darkness at depths of 7,875 feet (2,400 meters), according to a new study.
About 2,000 miles (3,200 kilometers) east of the souther... | <urn:uuid:aba5f487-81d1-40af-b335-d39b0062c37e> | 2.984375 | 1,006 | Knowledge Article | Science & Tech. | 51.195918 |
||It has been suggested that Ecoacoustics be merged into this article. (Discuss) Proposed since July 2012.|
Acoustic ecology, sometimes called ecoacoustics or soundscape studies, is the relationship, mediated through sound, between living beings and their environment. Acoustic ecology studies started in the late 1960s ... | <urn:uuid:7bf2dee1-5e02-420c-99e0-005c4a9f587f> | 3.171875 | 975 | Knowledge Article | Science & Tech. | 27.510848 |
A typical galaxy contains much more matter than what we can actually see. In fact, the visible portion of a galaxy represents only about 5 to 10% of total mass of the galaxy. Many studies lead us to define the conclusion that the Universe abounds in matter that we cannot see. This unseen matter is called Dark Matter be... | <urn:uuid:ad916a21-731a-4ca3-a4dd-d47b356f7e9a> | 4.0625 | 257 | Personal Blog | Science & Tech. | 56.690275 |
For an RC circuit (Vout across capacitor), the impulse response is:
h(t) = 1/RC * exp[-t/RC] * u(t), where u(t) is the unit step.
The transfer function of the circuit is:
H(s) = 1/RC * 1/(s + 1/RC)
Here, the the pole is at Re(s) = -1/RC, and Im(s) = 0. The location of the pole is dictated by the physical parameters of ... | <urn:uuid:0fe0eb3d-cd3e-4024-a4d4-749d6a0f4dd5> | 3.390625 | 265 | Q&A Forum | Science & Tech. | 89.504773 |
A student web page designed by Sarah Redding and Jody Shields
The Minke whale, a member of the rorqual
whale family, is the smallest of all the baleen whales. Minke
whales grow up to 9 meters long and at full size weigh approximately
6 to 7 tonnes. Females are typically 1.5 meters longer than the males.
Minke whales ar... | <urn:uuid:63a85ac3-0dc9-4282-bb49-fc1fdd802ae2> | 3.75 | 923 | Knowledge Article | Science & Tech. | 56.275882 |
Sent in by:
Michael of GA and Kyle of MI
Have a blast-off! Pop a cork!
- tomato juice
- lime juice
- grapefruit juice
- 3 large clear glasses
- baking soda
- 3 1/2 liter water bottles
- corks that tightly fit the opening of the water bottles
- safety goggles
- paper and pencil
- Check with a grown-up before you begin.
... | <urn:uuid:03154ec4-8dbb-4d7b-89f1-6aa2c35f3a04> | 3.421875 | 1,691 | Comment Section | Science & Tech. | 75.458181 |
The size or magnitude of earthquakes and other seismic events is measured using the Richter scale. Several thousand earthquakes larger than magnitude 4 on the Richter scale occur each year around the globe. A magnitude 4 earthquake is a fairly light earthquake which can cause windows and doors to rattle, but which does... | <urn:uuid:5a25a5a7-fe90-43de-82f5-912f040550c6> | 4.1875 | 524 | Knowledge Article | Science & Tech. | 29.086427 |
Trash that cannot be recycled always ends up in a pile. Then, it decomposes very slowly until it finally turns to soil. Under natural circumstances, however, this takes far too long. The range of biodegradation is 4 weeks for a cardboard box to 5,000 years for Styrofoam.
The amount of trash produced by one person, in a... | <urn:uuid:45f5acde-34d9-48db-9831-0d1e616d2e78> | 3 | 447 | Personal Blog | Science & Tech. | 49.202966 |
Dirty Hydro: Dams and Greenhouse Gas Emissions
Hydropower is often believed to be an inherently "climate-friendly" technology. But scientific studies indicate that the rotting of organic matter in reservoirs produces significant amounts of the greenhouse gases carbon dioxide, methane and nitrous oxide. The warming impa... | <urn:uuid:3e1243e4-bf85-4d23-97f7-c1cb7c88d8dd> | 3.53125 | 129 | Tutorial | Science & Tech. | 25.795 |
Fieldwork: Darwin’s Frogs in Chile
PROFILE: Dr. Claudio Soto-Azat
SPECIES: Darwin’s frog
I work in a vast area of central, south and southern Chile and Argentina. The area I work over covers 1,250 km in length. Therefore transportation and long driving sessions are a rule. Central and Northern areas are not tough, and ... | <urn:uuid:c6a08909-6ea4-498e-bed8-b98c5a0b46c7> | 2.984375 | 452 | Personal Blog | Science & Tech. | 48.430985 |
strtol(3) BSD Library Functions Manual strtol(3)
strtoimax, strtol, strtoll, strtoq -- convert a string value to a long, long long, intmax_t or quad_t integer
Standard C Library (libc, -lc)
#include <inttypes.h> intmax_t strtoimax(const char *restrict str, char **restrict endptr, int base); #include <stdlib.h> long str... | <urn:uuid:19a692d3-53c4-4ec4-ac4b-f536b4cb8420> | 3.34375 | 915 | Documentation | Software Dev. | 71.19838 |
The center of the Sun
The center of the sun is very hot (about 15 million degrees Celsius) and the pressure is immense (about 100 billion times the airpressure here on Earth).
Because of that, atoms come so close to eachother that they fuse.
In every second, the Sun spends 700 billion tons of protons (or: Hydrogen) in ... | <urn:uuid:7756180a-bf16-4c49-8912-b3c994c56079> | 3.53125 | 130 | Knowledge Article | Science & Tech. | 73.247426 |
Sanjayan, Conservancy lead scientist
I am standing in the depths of a bunker-like building that sprawls beneath the farmland just outside of Sioux Falls, South Dakota.
Aboveground, the building is nondescript, Wal-Mart-like — except for the giant dish antennae that point to the skies and the United Nations flag that fl... | <urn:uuid:76fe5972-2a8a-432d-82ac-d5abd6602304> | 2.9375 | 788 | Nonfiction Writing | Science & Tech. | 51.623601 |
Kaku's Parallel Worlds is out soon (Penguin). It considers the possibility of travelling from our universe to other universes through wormholes and black holes.
He is reading about supermassive black holes in The Edge of Infinity by Fulvio Melia (Cambridge, 2003). "It is truly remarkable that, before our eyes, just in ... | <urn:uuid:82aa2832-d1d2-464b-a569-d30548cc5472> | 2.75 | 223 | Truncated | Science & Tech. | 42.589109 |
SOMETIMES it pays to give underlings a treat. Dominant male chacma baboons allow lower-ranking males to mate with their females as a way to protect the dominant male's own offspring in their absence.
That's the conclusion reached by Louise Barrett at the University of Lethbridge in Alberta, Canada, who studied 11 years... | <urn:uuid:aeb0399b-2744-4ba3-89f3-c830dc64a17d> | 3.21875 | 175 | Truncated | Science & Tech. | 49.658623 |
Back in the later years of the 19th century, physicists had put together an incredibly successful synthesis of electricity and magnetism, topped by the work of James Clerk Maxwell. They had managed to show that these two apparently distinct phenomena were different manifestations of a single underlying "electromagnetis... | <urn:uuid:6c59b302-5d87-45e1-bbaf-ac8d56e5d451> | 3.3125 | 874 | Nonfiction Writing | Science & Tech. | 31.413424 |
Objects in the Sky
On any dark night you watch the sky, if you see a light travelling really fast, then that can be a Meteor or perhaps shooting star. It really is not just a star but only a small speck from the dust entering very own Earth's environment at a very higher speed, approximately 150 thousand kilometers per... | <urn:uuid:3c1a526c-813e-4391-b9fc-bc8513cbb0de> | 3.140625 | 425 | Knowledge Article | Science & Tech. | 41.240188 |
Figure 2: Sequence of longitude-depth cross-sections of mean temperature
in the equatorial Pacific Ocean for the months of December 1996, and April,
August, and December of 1997. Also shown are corresponding temperature
anomalies which represent departures of temperatures from long-term
means for the given month. The s... | <urn:uuid:34270ee8-a441-4f5a-9683-668afdc254ef> | 2.9375 | 103 | Knowledge Article | Science & Tech. | 37.149392 |
It is thought that AMF played significant role on the adaptation of plants from aquatic to terrestrial ecosystems. Fossil records indicate arbuscular mycorrhizal-like symbiosis developed some 450 millions of years ago (early Devonian). In this sense, AMF became a obligate symbionts in order to complete all their ontoge... | <urn:uuid:a7dca074-a4c0-4a5e-a618-9c0b7a637f94> | 3.484375 | 166 | Knowledge Article | Science & Tech. | 21.698469 |