text large_stringlengths 148 17k | id large_stringlengths 47 47 | score float64 2.69 5.31 | tokens int64 36 7.79k | format large_stringclasses 13
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The weather is notoriously hard to predict. Ever since Michael Fish famously declared on national television in October 1987 that there was going to be no hurricane, the day before the worst storms since 1703, people have been wary of weather reports. But in fact our ability to forecast the weather has improved immeasu... | <urn:uuid:60306765-7255-4731-b287-a79831f4cf9f> | 3.625 | 875 | Knowledge Article | Science & Tech. | 48.74113 |
In physics, acceleration is defined as the rate of change of velocity—that is, the change of velocity with time. An object is said to undergo acceleration if it is changing its speed or direction or both. A device used for measuring acceleration is called an accelerometer.
An object traveling in a straight line undergo... | <urn:uuid:93fa58fc-eb8e-400f-93d6-14d30ad42c28> | 4.6875 | 1,989 | Knowledge Article | Science & Tech. | 34.124621 |
Properties of Waves
Looking for a lab that coordinates with this page? Try the Period of a Pendulum Lab from The Laboratory.Curriculum Corner
Learning requires action. Give your students this sense-making activity from The Curriculum Corner.Treasures from TPF
Need ideas? Need help? Explore The Physics Front's treasure ... | <urn:uuid:ceb957bf-9c0a-4396-b0f5-2d5fc2fa977d> | 3.5625 | 1,694 | Tutorial | Science & Tech. | 67.521829 |
The behavior of microorganisms presents a paradox that puzzles the confident logic of science: some microbes can cease performing a function that had been considered necessary for their survival, yet this seeming disparity causes them to thrive and proliferate.
A progressive group of microbiologists explain that while ... | <urn:uuid:f2d6b5cd-2476-49ac-8993-6b3b0376c1ab> | 3.546875 | 410 | Personal Blog | Science & Tech. | 26.004725 |
Transient electromagnetics, or time-domain methods (TEM or TDEM), refer to a branch of geophysics, among other disciplines, that use an electromagnetic impulse excitation to investigate the subsurface. TEM methods are generally sensitive to the electrical properties of the subsurface in geologic applications, but are a... | <urn:uuid:329c1aaf-f95b-4b1e-b1e7-833a65175159> | 3.75 | 344 | Knowledge Article | Science & Tech. | 27.045975 |
Lions finding so-called lion habitat not all that habitable.
A paper out today in the journal Biodiversity and Conservation by Nicholas School graduate Jason Riggio (now at the University of California, Davis) and colleagues uses an extensive dataset and high-resolution satellite imagery to demonstrate that much of wha... | <urn:uuid:7dbdf194-bfca-4086-95e0-7a724d8148ad> | 2.953125 | 903 | Knowledge Article | Science & Tech. | 44.868038 |
1. Explain Archimedes' trisection of the angle.
2. Explain the determination of the latitude.
3. Find all of the angles in a pentagram.
4. Show how the proportion of the golden mean arises in the pentagram.
5. Explain the construction of the proportion of the golden mean.
6. Explain the construction of the pentagram.
7... | <urn:uuid:b70b0bbf-9e9f-4ca5-9ee1-9de5c71bee4e> | 4.40625 | 165 | Listicle | Science & Tech. | 72.435 |
SP01: Quantification of light pollution
Investigation of the sources and extent of the urban light dome of Berlin, and their temporal variation
Subproject 01 is carried out at the Institute for Space Sciences at the FU Berlin (FUB ISS) and at the Leibniz Institute of Freshwater Ecology and Inland Fisherie (IGB). The su... | <urn:uuid:1a08ce58-11c9-4eae-aaf5-f257c436d4bb> | 3.4375 | 408 | Academic Writing | Science & Tech. | 41.777676 |
In biological systems information is propagated from one form to another by chemical reactions. An example is the translation of mRNA into protein by the ribosome. Under certain circumstances there are limits to the accuracy of this kind of process. In a one-step process with two possible outcomes the accuracy is bound... | <urn:uuid:f8a72607-7c85-4483-9b2e-69ce4d5b4c5b> | 2.78125 | 698 | Personal Blog | Science & Tech. | 38.475418 |
The TListBox Delphi control displays collection of strings in a scrollable list. By setting the MultiSelect property to true, the user can select more than one item at a time.
How to Remove Selected ListBox ItemsWhen MultiSelect is true, the user can select multiple items in the control, and the SelCount property indic... | <urn:uuid:164e5755-28f3-4002-8346-5bfa1f939a4a> | 2.75 | 275 | Tutorial | Software Dev. | 47.62042 |
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
In a message dated 96-02-13 13:40:39 EST, Robert.J.Meyerson@uwrf.edu (Rob
>Most cladigrams I have seen tend to be constructed in the speciation model,=
> where the cladigram gets broader as one goes up the "tree" (li... | <urn:uuid:428cb440-8c7b-4296-84ef-f39e0880d3d2> | 3.125 | 241 | Comment Section | Science & Tech. | 54.947474 |
Application Programming Interface (API)
Common name used to describe the interface a programmer uses to access a library. Common 3D API's include OpenGL, Direct3D, QuickDraw3D, Renderman, Glide, and there are dozens of other lesser known ones. The two most popular real-time 3D API's these days are OpenGL and Direct3D. ... | <urn:uuid:e23c4b18-7d99-4dbe-868b-cbcfd8b9e949> | 2.8125 | 93 | Knowledge Article | Software Dev. | 40.836735 |
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but no freezing) was investigated. Quantity and quality of light penetrating the ice and light attenuation properties of the wat... | <urn:uuid:496f143e-aeec-429d-8fc0-95b5829e2d91> | 3.125 | 332 | Academic Writing | Science & Tech. | 20.907563 |
Southern Sea Otter Recovery
There's good news and bad news regarding population levels for the Southern Sea Otter (Enhydra lutris nereis).
These cute as a button marine mammals once roamed the near shore kelp forests of the entire West Coast. Their thick fur and general amenability toward the human population but them ... | <urn:uuid:23431395-5d90-47b1-8ff3-b09f2ffc127f> | 3.75 | 423 | Truncated | Science & Tech. | 34.608851 |
I'm writing about an article called "Turning Up The Heat".
Antarctica starts to melt because of the weather and because of the temperature of the ocean and of the air. Scientist think that maybe the pollution is causing the earth to warm up to quick in fact studies are saying that the earth is warming up to quick than ... | <urn:uuid:8e20fd83-3d95-49bd-99a4-504d621743e2> | 2.796875 | 155 | Personal Blog | Science & Tech. | 59.311957 |
If f(x)=0 has multiple roots,how is N-R method affected?How can N-R formula be modified to avoid this problem
If you mean Newton-Raphson then multiple roots is a common problem of any iterative method. Different starting values may give different solutions. Sketching the graph gives you a good idea of what starting val... | <urn:uuid:bf4da6d7-9ad8-4b49-9cb7-71ee33bbc917> | 2.859375 | 293 | Q&A Forum | Science & Tech. | 63.605682 |
Anonymous @ on
Square of electric field and process used
Can anyone explain how can we calculate the magnitude of electric field at a point on the surface of a gold/silver particle? We can simulate the square of electric field and we get a color mapping of it with the scale at the bottom. But how can we exactly make ou... | <urn:uuid:313d2275-4f85-46ff-9940-9954f152f3d9> | 2.96875 | 103 | Q&A Forum | Science & Tech. | 49.685032 |
Global surface air temperature in 1995: Return to pre-Pinatubo level
Article first published online: 7 DEC 2012
Copyright 1996 by the American Geophysical Union.
Geophysical Research Letters
Volume 23, Issue 13, pages 1665–1668, 15 June 1996
How to Cite
- Issue published online: 7 DEC 2012
- Article first published onl... | <urn:uuid:dbff1cb2-652b-405f-a9e5-a7067cb13981> | 3.03125 | 231 | Academic Writing | Science & Tech. | 33.311897 |
REST stands for Representational State Transfer. (It is sometimes spelled "ReST".) It relies on a stateless, client-server, cacheable communications protocol -- and in virtually all cases, the HTTP protocol is used.
REST is an architecture style for designing networked applications. The idea is that, rather than using ... | <urn:uuid:4b47c4ca-6911-4603-9d53-60d4a6a5083c> | 3.71875 | 313 | Knowledge Article | Software Dev. | 53.91162 |
Time series of freeze-free season anomalies shown as the number of days per year, for the Northeast region. Length of the freeze-free season is defined as the period between the last occurrence of 32F in the spring and first occurrence of 32F in the fall. The dashed line is a linear fit. Based on daily COOP data from l... | <urn:uuid:ac6dee92-c7d3-41b9-9dd9-db431e000b0b> | 3.0625 | 163 | Structured Data | Science & Tech. | 45.69558 |
Internet Resources for Teaching About Mars
This collection of digital resources includes web sites useful for integrating Mars data into commonly taught undergraduate geoscience courses and for teaching planetary geology in general.
Please tell us about your favorite web sites, and we can add them to this collection.
R... | <urn:uuid:9a216f43-85f8-4e4e-b431-0c615062bdaa> | 3.265625 | 195 | Content Listing | Science & Tech. | 31.989887 |
UNH Speakers Bureau
Solar Flares and Gamma-Ray Bursts
Gamma-Rays from solar flares are produced by high energy electrons and ions accelerated in the early phase of a flare. The ubiquitous Gamma-Ray Bursts observed by the Swift satellite are produced by myriad mechanisms. They were first observed by Vela satellites in t... | <urn:uuid:094c8f9f-82ff-4513-82a3-bd0062a5d86f> | 3.203125 | 75 | Knowledge Article | Science & Tech. | 39.128947 |
In 185 AD,
astronomers recorded the appearance of
a new star in the Nanmen asterism -
a part of the sky identified
with Alpha and Beta Centauri on modern star charts.
The new star was visible for months and is
thought to be the earliest
composite image from orbiting telescopes of the 21st century,
XMM-Newton and Chandr... | <urn:uuid:98a9c6a9-58f9-4479-a793-dd80b6f64cf2> | 4 | 291 | Knowledge Article | Science & Tech. | 30.775795 |
questions about embryos
colby at biology.bu.edu
Mon May 5 12:24:38 EST 1997
Uncle Al Schwartz wrote:
> As 98+% of the human genome consists of
The human genome is not ninety-eight percent introns. Roughly three
percent of our genome is coding DNA. The rest is various classes of
repetitive DNA. (Britten and Kohne called... | <urn:uuid:d16382db-4a33-4485-8660-e97c50422ab1> | 2.859375 | 196 | Comment Section | Science & Tech. | 62.255004 |
Magnitude Estimation Methods
Some contributors are now starting to specify the magnitude estimation method that is used (this is not required here, but is for observations submitted to The International Comet Quarterly). The goal of making a magnitude estimate is to obtain the total integrated brightness of the comet's... | <urn:uuid:a3ccf90e-3581-4d59-8c44-ec8de8212785> | 3.6875 | 1,127 | Knowledge Article | Science & Tech. | 40.385494 |
Found 10 - 12 results of 12 programs matching keyword " observatory"
Join the Exploratorium's Dr. Paul Doherty as he visits a "sculpture to observe the stars" in northern New Mexico, where the Sangre de Cristo Mountains meet the eastern plains. There artist Charles Ross is creating an art installation that is also a st... | <urn:uuid:cd79f8a3-e9cc-452a-b454-398305b7cf1f> | 2.90625 | 229 | Content Listing | Science & Tech. | 49.222973 |
If you live on the East coast of the United States, be sure to watch the skies tonight. NASA will be launching five rockets in five minutes from the Wallops Flight Facility in Virginia, on March 14, 2012. The launches will take place late at night.
Each rocket will release a chemical tracer that will create a milky-whi... | <urn:uuid:45b2a121-b568-46e0-97e1-97960c735638> | 3.140625 | 549 | Personal Blog | Science & Tech. | 58.167375 |
La Verne Magazine
"Tradition & Change"
Filling Up With Hydrogen
by Jeanette M. Neyman
Imagine being in the middle of a large busy city on the United States
west coast. The familiar roar of internal combustion engines can be heard
all around, but there are almost no toxic emissions coming from all these
cars, trucks, bu... | <urn:uuid:9d403392-731e-4e8a-aaa0-2d32970bc95d> | 3.015625 | 575 | Nonfiction Writing | Science & Tech. | 35.626935 |
Evolution of seal "Flippers" over time?
Seals are aquatic mammals that evolved from terrestrial mammals with legs. Seals have appendages that are flipper-like (‘flippers’), which are adapted for movement in water. Explain how the flippers may have evolved from legs of a terrestrial ancestor.
A) If you were to go back i... | <urn:uuid:f146b31a-0129-4c59-baea-974c5249acbc> | 3.6875 | 254 | Comment Section | Science & Tech. | 53.12453 |
Buried landmines are difficult to find, especially if they contain no metal parts. Now researchers at the Technical University of Darmstadt in Germany say a technique for looking inside the human body could help (Journal of Physics D, vol 35, p 939). In nuclear magnetic resonance, molecules placed in a powerful magneti... | <urn:uuid:d2c1d070-df4c-429e-87dd-e19410ed0def> | 3.703125 | 169 | Truncated | Science & Tech. | 39.693571 |
Read more: "Instant Expert: Earthquakes"
Many avenues for earthquake forecasting have been explored, from prior changes in animal behaviour to electromagnetic signals. Yet predicting exactly when an earthquake will happen remains impossible today. Still, there is a great deal we do know about the Earth's shaking in the... | <urn:uuid:08c79c4b-e4bf-4170-a777-6c1a7c8e985f> | 3.625 | 166 | Truncated | Science & Tech. | 44.981 |
Scientific Name: Dermochelys coriacea
Description: Unlike other sea turtles, the bony shell of the leatherback is not visible. Instead, it is covered by a leathery layer of black or brown skin, hence their name. The shell has seven ridges running from front to back.
Size: Leatherbacks are the largest of the extant (liv... | <urn:uuid:667f4c94-1c28-4626-96f6-75ef5e92b919> | 3.78125 | 547 | Knowledge Article | Science & Tech. | 48.635687 |
Indexes may also be used to enforce uniqueness of a column's value, or the uniqueness of the combined values of more than one column.
CREATE UNIQUE INDEX name ON table (column [, ...]);
Currently, only B-tree indexes can be declared unique.
When an index is declared unique, multiple table rows with equal indexed values... | <urn:uuid:2bd68a52-ede4-4817-94fc-7b6a8c50ab5b> | 2.8125 | 199 | Documentation | Software Dev. | 40.636962 |
By Emily Sohn
When a scorpion attacks, its victim rarely has time to fight back. First, the clawed creature grabs and pins down its target — maybe a cricket, grasshopper or spider. Using a stinger in its rear end, the scorpion jabs the victim’s flesh. Then, the true suffering begins.
After an initial shock of severe pa... | <urn:uuid:98859a3d-3a6e-4427-8caf-f29556cfe9d9> | 3.40625 | 1,823 | Truncated | Science & Tech. | 55.040417 |
(4 of 6)
Enceladus holds mysteries of its own. A bright white world with a relatively smooth face, it appears to have been repeatedly resurfaced by some kind of underground slurry or perhaps by ice volcanoes. In some places, once deep crevasses have been largely filled in and craters have been cut neatly in half, leavi... | <urn:uuid:8e3c7086-98af-40aa-bd26-f149f4174646> | 3.859375 | 581 | Truncated | Science & Tech. | 41.29875 |
Living documents with XML events (1/4) - exploring XML
Living documents with XML events
Most documents today are living documents in the sense that they are constantly updated and never finished. With the advent of HTML and Web browsers documents became also living in that they can interactively respond to events. Now ... | <urn:uuid:39ee6102-b73e-4650-bc67-5e1e9aefb5dd> | 3.109375 | 434 | Knowledge Article | Software Dev. | 43.610798 |
Inheritance diagram for wx.DataObject:
A wx.DataObject represents data that can be copied to or from the clipboard, or dragged and dropped.
The important thing about wx.DataObject is that this is a ‘smart’ piece of data unlike ‘dumb’ data containers such as memory buffers or files. Being ‘smart’ here means that the dat... | <urn:uuid:7af7f658-d3a6-4f90-aebd-35fb7ac94b95> | 3.125 | 1,188 | Documentation | Software Dev. | 53.709446 |
New in version 2.0.
The module xml.sax.saxutils contains a number of classes and
functions that are commonly useful when creating SAX applications,
either in direct use, or as base classes.
- escape(data[, entities])
Escape &, <, and > in a string of data.
You can escape other strings of data by passing a dictionary as... | <urn:uuid:91e9adcf-19e9-443d-8376-5d46b3c3fe6a> | 2.953125 | 364 | Documentation | Software Dev. | 47.422492 |
2. Using RubyGems
This chapter gives examples of the most common user opertions performed with the gem command. See the gem Command Reference manual for details about particular gem commands.
Versioning is a pretty basic concept in RubyGems. You might want to glance at the Specifying Versions chapter for a better under... | <urn:uuid:3261d510-56db-4c03-9756-5df3249db92d> | 2.90625 | 1,513 | Documentation | Software Dev. | 65.32801 |
Just look at the path on the sphere. Here it is in Google Earth:
The path on your map is strongly curved because your map uses a projection with lots of distortion. (The distortion grows without bound towards the poles and this path is getting close to the north pole.)
The distortion is necessary to explain the curvatu... | <urn:uuid:2da0dc78-4209-48c6-946e-1aa4e607878f> | 3.765625 | 1,389 | Q&A Forum | Science & Tech. | 59.440853 |
Was Reading the Manual I thoght API Stood For Application Programming Interface not Protocol . AIP Stands for Application Interface Protocol.
Below is a Wikipedia Reference upon a simple Google search for API.
http://en.wikipedia.org/wiki/Applicatio ... _interface
Can Someone Explain, How is a substance a protocol? I t... | <urn:uuid:56bdf9ae-b57f-4f53-8d8d-e4e9ac85bfc9> | 3.09375 | 305 | Comment Section | Software Dev. | 27.986447 |
Sandy’s Two-Fisted Attack: Water From Air And Sea
Filed by KOSU News in Science.
November 1, 2012
On Monday, Sandy brought heavy rain, winds and storm surges to the Northeast, causing widespread flooding and extensive damage to hundreds of communities, particularly in New Jersey and New York.
But the drenching from all... | <urn:uuid:e2710513-79ce-49d5-9a1c-f8156b7d62ea> | 3.125 | 495 | Truncated | Science & Tech. | 65.200385 |
site also contains transmission schedules and
transmitting frequencies for various United States and
What is the purpose of a satellite atmospheric
What is the main advantage of geostationary
Which GOES satellite provides imagery over all
of South America?
What type of satellite is the NOAA 14?
What are the main advant... | <urn:uuid:df630248-b997-4aa1-950f-700daea3a730> | 3.46875 | 883 | Knowledge Article | Science & Tech. | 22.383573 |
|Annu. Rev. Astron. Astrophys. 1988. 26:
Copyright © 1988 by . All rights reserved
2.2. The Idea of Geometrical Experiments
How then are we to measure deviations from Euclidean predictions? What rules concerning the properties of measuring rods do we adopt, and by what rules do we assess whether an experiment has given... | <urn:uuid:df401d1a-d5db-4958-8eaf-c94fd6ce141e> | 3.203125 | 750 | Academic Writing | Science & Tech. | 32.380905 |
Hubble Composite Image of the Star Forming Region in the Tarantula Nebula
Image Credit: NASA, ESA, D. Lennon and E. Sabbi (ESA/STScI), J. Anderson, S. E. de Mink, R. van der Marel, T. Sohn, and N. Walborn (STScI), N. Bastian (Excellence Cluster, Munich), L. Bedin (INAF, Padua), E. Bressert (ESO), P. Crowther (Universit... | <urn:uuid:59110a85-4584-4428-a624-78d108e69252> | 3.40625 | 288 | Personal Blog | Science & Tech. | 49.318454 |
Artificial molecule evolves in the lab
By NEW SCIENTIST
Added: Thu, 08 Jan 2009 00:00:00 UTC
UPDATE: Scientists develop first examples of RNA that replicates itself indefinitely
Thanks to Eric for the link.
A new molecule that performs the essential function of life – self-replication – could shed light on the origin o... | <urn:uuid:c2f9d21f-7714-4792-83a1-8a116f4483cb> | 3.390625 | 374 | Truncated | Science & Tech. | 33.07972 |
ENDURANCE RUNNING AND ITS RELEVANCE TO SCAVENGING BY EARLY HOMININS
Article first published online: 25 OCT 2012
© 2012 The Author(s). Evolution© 2012 The Society for the Study of Evolution.
Volume 67, Issue 3, pages 861–867, March 2013
How to Cite
Ruxton, G. D. and Wilkinson, D. M. (2013), ENDURANCE RUNNING AND ITS REL... | <urn:uuid:a00137b4-2b2c-4b8f-9bf5-1de872c2fb3c> | 3.296875 | 426 | Academic Writing | Science & Tech. | 37.931763 |
Why does the space shuttle returning to Earth cause two separate sonic booms?
By Kevin Pitts
April 19, 2012
I heard two talks at the American Physical Society meeting about the energy challenges facing our nation. One by Robert Rosner, former Director of Argonne National Laboratory, the second by Steve Koonin, former U... | <urn:uuid:9e839c7f-8a32-4ffa-9be6-96cf381df8d5> | 2.796875 | 738 | Personal Blog | Science & Tech. | 49.423412 |
The other parts, other than the inverse square, were clear already before Newton, or at least were easy to guess. That the force of gravity is proportionality to mass of a small object responding to the field of another comes from Galileo's observation of the universal acceleration of free fall. If the acceleration is ... | <urn:uuid:0e04b33a-d53e-4bfe-9733-6dbbfbc9ef2c> | 3.859375 | 835 | Q&A Forum | Science & Tech. | 59.133644 |
without changing your settings we'll assume you are happy to receive all RSC cookies.
You can change your cookie settings by navigating to our Privacy and Cookies page and following the instructions. These instructions
are also obtainable from the privacy link at the bottom of any RSC page.
Large parts of the periodic ... | <urn:uuid:d23e1e31-36fd-4b1d-a232-4a0dad8a0d78> | 2.71875 | 266 | Truncated | Science & Tech. | 28.349599 |
Several factors need to be kept in mind when choosing indicators (and, where appropriate, targets) for SEA:
- should they be input or outcome indicators/targets?
- should social and economic indicators/targets be included?
State, pressure, response; input, outcome
Indicators and targets can be divided into three types:... | <urn:uuid:99f94953-acdd-48dd-ab7b-d4ffe4dfb592> | 3.390625 | 815 | Knowledge Article | Science & Tech. | 42.060557 |
supercritical fluid state
Simply begin typing or use the editing tools above to add to this article.
Once you are finished and click submit, your modifications will be sent to our editors for review.
In Table 1 most of the important chemical equilibrium separation methods are subdivided in terms of the two insoluble ph... | <urn:uuid:42868e14-4d56-47b7-b07c-7c87a78391ee> | 3.6875 | 390 | Knowledge Article | Science & Tech. | 40.875526 |
boundary layerArticle Free Pass
boundary layer, in fluid mechanics, thin layer of a flowing gas or liquid in contact with a surface such as that of an airplane wing or of the inside of a pipe. The fluid in the boundary layer is subjected to shearing forces. A range of velocities exists across the boundary layer from ma... | <urn:uuid:447203f1-2e7d-4134-a109-124601b94f51> | 3.90625 | 158 | Knowledge Article | Science & Tech. | 57.920179 |
Analyzing bottlenecks in chemical reactions
His goal is to determine with greater accuracy the nature of the bottlenecks, ultimately providing scientists with a far greater comprehension of important reactions, allowing the researchers to better control them. Fields that are expected to benefit from this research range... | <urn:uuid:8e1ec3ae-7f91-4fbf-a52e-7d6e192bdde7> | 3.34375 | 868 | Knowledge Article | Science & Tech. | 30.04273 |
New CO2 Sucker Could Help Clear the Air
Researchers in California have produced a cheap plastic capable of removing large amounts of carbon dioxide (CO2) from the air. Down the road, the new material could enable the development of large-scale batteries and even form the basis of "artificial trees" that lower atmospher... | <urn:uuid:01d22422-659f-48db-a8cc-f9b05f928c7d> | 3.796875 | 565 | Truncated | Science & Tech. | 41.258893 |
|Geographical Range||Malaysia (in southeastern Asia)|
|Scientific Name||Heteropteryx dilatata|
|Conservation Status||Not listed by IUCN|
Talk about specialized camouflage! Depending on the gender, these fascinating insects resemble either leaves OR twigs.
The body of a female Malaysian walkingstick (pictured at left) l... | <urn:uuid:4e4e1e54-62c1-47cc-873d-51f99fd4ddbb> | 2.90625 | 194 | Knowledge Article | Science & Tech. | 41.945625 |
BIO_s_fileSection: OpenSSL (3)
Index Return to Main Contents
NAMEBIO_s_file, BIO_new_file, BIO_new_fp, BIO_set_fp, BIO_get_fp, BIO_read_filename, BIO_write_filename, BIO_append_filename, BIO_rw_filename - FILE bio
BIO_METHOD * BIO_s_file(void); BIO *BIO_new_file(const char *filename, const char *mode); BIO *BIO_new_fp(... | <urn:uuid:1b1f8b2f-1890-48ac-ba6f-6230e1e8d968> | 2.984375 | 1,233 | Documentation | Software Dev. | 58.42975 |
Molecular clouds are the sites of all star formation within our Galaxy, and thus the study of the physical and kinematics properties of the gas in these clouds is essential to understand the process by which new stars are born. The molecular gas can be readily probed using millimeter and submillimeter wavelength spectr... | <urn:uuid:b0dd9a41-f752-4932-95d8-58294ece0eab> | 3.46875 | 165 | Knowledge Article | Science & Tech. | 37.736818 |
A year and a half ago, NASA announced that one of its scientists, Felisa Wolfe-Simon, had found a bacterium that could use arsenic instead of phosphorus in its DNA. This revelation, published in Science, had enormous implications for our understanding of what’s necessary for life—we’ve always thought phosphorus was ess... | <urn:uuid:9bf0d23c-d52d-4298-bbe2-7b1b4ea13166> | 3.484375 | 394 | Nonfiction Writing | Science & Tech. | 32.809227 |
Most of the world experiences drastic seasonal variation in the amount of food that is available throughout the year. In deep-sea habitats as well as the poles a single or sometimes few pulses of food provide nourishment for the entire year. Now you may wonder what that means to you? Why does it matter what happens in ... | <urn:uuid:8b48fb3e-f67b-4b47-8c3a-80f784800fa3> | 3.953125 | 956 | Academic Writing | Science & Tech. | 47.936344 |
Pascal is an influential imperative and procedural programming language, designed in 1969 and published in 1970 by Niklaus Wirth as a small and efficient language. It was largely (but not exclusively) intended to teach students structured programming and data structuring.
Pascal is a descendant of algol, but it was imp... | <urn:uuid:f85b0f77-3215-4839-af5f-6e7471842037> | 3.59375 | 212 | Knowledge Article | Software Dev. | 27.514231 |
Evidence of a Black Hole in the Center of the Milky Way:
The picture below is a view of the very center of the Milky Way obtained in mid 2002 from a combination of three infrared wavebands. The compact objects are stars, and two yellow arrows mark the location of Sagittarius A*, the black hole candidate within the radi... | <urn:uuid:1abcb91e-ece1-4829-a740-d45b2a9d06ba> | 3.734375 | 384 | Knowledge Article | Science & Tech. | 67.462611 |
The particles category implements the facilities necessary to describe the physical properties of particles for the simulation of particle-matter interactions. All particles are based on the G4ParticleDefinition class, which describes basic properties such as mass, charge, etc., and also allows the particle to carry a ... | <urn:uuid:0053fbb0-bc8e-4006-bd8a-6cdbbd3c960a> | 2.734375 | 286 | Documentation | Software Dev. | 37.964388 |
REMAINDER(3) Linux Programmer's Manual REMAINDER(3) NAME drem, dremf, dreml, remainder, remainderf, remainderl - floating-point remainder function SYNOPSIS #include <math.h> /* The C99 versions */ double remainder(double x, double y); float remainderf(float x, float y); long double remainderl(long double x, long double... | <urn:uuid:dbffb583-ec46-44a8-8c55-91c0269f0901> | 3.078125 | 837 | Documentation | Software Dev. | 71.286855 |
Orange Hue Before Hail
Name: Rance S.
Just curious as to why sometimes before it hails that
the surrounding air and sky exhibits an orangeish hue...
Orange, red, blue, green, and even purple!! Hail is an indicator of
intense weather. The clash of hot moist air and cold dry air that becomes
"inverted" that is, the less ... | <urn:uuid:51992091-da69-4564-8de6-92d89ecad338> | 3.21875 | 284 | Knowledge Article | Science & Tech. | 50.712247 |
A wave of recent online videos showing the bottom of a dropped Slinky hovering in midair has scientists taking a closer look at the toy many of us played with as a kid. Grab a Slinky from the toy box and try this experiment at home.
STEP 1: Hold the Slinky allowing it to levitate in the air.
STEP 2: Drop the Slinky and... | <urn:uuid:2418870a-00d6-4175-b3b7-48a97c93ced3> | 3.359375 | 204 | Tutorial | Science & Tech. | 67.234519 |
Phobos-Soil (Phobos-Grunt) is the first mission dedicated to the study of the Martian moon Phobos. It will deploy a spacecraft in an orbit around Mars that is quasi synchronous with Phobos. The spacecraft will also carry a lander to perform in situ investigations of the Phobos regolith and a return capsule that will br... | <urn:uuid:a6688d49-d5dc-4615-b4c2-dcc7f5ede901> | 3.1875 | 223 | Knowledge Article | Science & Tech. | 41.597518 |
April 6, 2011
This band is the disk of our spiral galaxy. Since we are inside this disk, the band appears to encircle the Earth. The above spectacular picture of the Milky Way arch, however, goes where the unaided eye cannot. Photographer Juan Carlos Casado.
March 25, 2011
An expedition member walks on the cooled lava ... | <urn:uuid:3b06042f-332a-464c-8c5d-551f64d7311a> | 2.71875 | 455 | Content Listing | Science & Tech. | 49.467511 |
The NB-36 made a number of flights in the 1950s carrying an operating nuclear reactor. The crew worked from a lead-shielded cockpit.
As America’s nuclear renaissance matures, proponents of molten-salt reactors (MSRs) increasingly expect the focus to shift their way, to a much simpler design. That design translates into... | <urn:uuid:412bec29-0ae9-4602-a9a4-44b98604f337> | 2.75 | 1,388 | Content Listing | Science & Tech. | 52.546948 |
Our Sun, The Nearest Star
The sun turns 700,000,000 tons of hydrogen into 695,000,000 tons of helium every second by nuclear fusion. The remaining 5 tons is converted into energy. 400,000,000,000,000,000,000,000,000 watts
Distances to Other Stars
Distances are particularly easy to calculate if we use the parsec as our ... | <urn:uuid:931571ab-1049-48c0-ab03-68a84cffd068> | 3.296875 | 495 | Q&A Forum | Science & Tech. | 72.896191 |
slickheadArticle Free Pass
slickhead, also called smoothhead, any of several deep-sea fishes, family Alepocephalidae (order Salmoniformes), found in almost all oceans at depths up to 5,500 m (17,800 feet) or more. Slickheads are dark, soft, and herringlike; species vary greatly in structure, and a few possess light-pro... | <urn:uuid:cf925338-c948-4bb2-8a8d-47fda3d7c6c6> | 3.15625 | 140 | Knowledge Article | Science & Tech. | 51.915 |
"A single death is a tragedy, a million deaths is a statistic. "
Sec. 1.2 Notes:
Data display VARIABILITY. (Recall: data is a plural term... use it with the correct verb...or you will lose credibility.)
The "pattern" of the variability is the distribution.
You may display data
1. visually through graphs
2. by summarizi... | <urn:uuid:354396f9-6395-4864-bced-251bd5a6f8c2> | 3.9375 | 1,617 | Tutorial | Science & Tech. | 58.517121 |
O'dogherty, M.J., 1969. THE DETECTION OF FIRES BY SMOKE: PART 2. SLOWLY DEVELOPING WOOD CRIB FIRES. Fire Research Notes 793
Measurements have been made, at ceiling level, of the optical density per metre of smoke from slowly developing wood crib fires. Results are given for ceiling heights from 2.4 m to 7.0 m (8 ft to ... | <urn:uuid:2df9c0ea-9bbe-4bc9-b7dc-c79bbcf51578> | 2.734375 | 184 | Academic Writing | Science & Tech. | 55.673428 |
Over the past three decades, astronomers have discovered hundreds of dusty disks around stars, but only two — 49 CETI is one — have been found that also have large amounts of gas orbiting them.
Young stars, about a million years old, have a disk of both dust and gas orbiting them, but the gas tends to dissipate within ... | <urn:uuid:d569e967-38bd-40c5-adb8-71c10807f92c> | 3.859375 | 1,388 | Content Listing | Science & Tech. | 53.705134 |
|Jan29-13, 09:09 PM||#1|
Combinations of n objects taken r at a time
An office furniture manufacturer that makes modular storage files offer its customers two choices for the base and four choices for the top, and the modular storage files come in five different heights. The customer may choose any combination of the f... | <urn:uuid:e36d5ba3-31e3-4597-b935-ba6fba5bd80d> | 2.703125 | 614 | Comment Section | Science & Tech. | 61.943745 |
To clarify Phoenix’s light travel time: the spacecraft did not cruise straight to Mars but took a longer path following an elliptical orbit around the sun, with Mars at the aphelion. Because the distance from Mars to Earth was about 250 million kilometers during the mission, the one-way light travel time was a little l... | <urn:uuid:69fd3997-8c11-4b4c-a53d-0a8159b61fef> | 2.90625 | 703 | Comment Section | Science & Tech. | 39.732624 |
||The Boolean class wraps a value of the primitive type
boolean in an object.
||The Byte class is the standard wrapper for byte values.
||The Character class wraps a value of the primitive type
in an object.
||Instances of the class
Class represent classes and interfaces
in a running Java application.
||The Double clas... | <urn:uuid:74d3da5a-fb85-4f9d-ab88-84ff53428679> | 2.75 | 804 | Documentation | Software Dev. | 48.726062 |
Prof. Stephen A. Nelson
Ternary Phase Diagrams
Crystallization in Ternary Systems
I. Equilibrium Crystallization Where all 2 Component Systems are Binary Eutectic Systems.
|Figure 1 shows a three dimensional representation of the three component (ternary) system ABC. Note that composition is measured along the sides of... | <urn:uuid:fa28e492-d94f-443d-8198-a0d6ad7c7640> | 3.828125 | 3,081 | Academic Writing | Science & Tech. | 41.053019 |
Primer (molecular biology)
A primer is a strand of nucleic acid that serves as a starting point for DNA synthesis. It is required for DNA replication because the enzymes that catalyze this process, DNA polymerases, can only add new nucleotides to an existing strand of DNA. The polymerase starts replication at the 3'-en... | <urn:uuid:25f7cef7-2737-4166-9dd2-35756365fb68> | 4.25 | 1,772 | Knowledge Article | Science & Tech. | 36.477706 |
Dr Lipton [See his videos on thios topic: Video #1 Video #2] says our environment feeds signals to our senses which feeds signals to our brains which filter these systems via our beliefs. The brain then sends signals to all cells which react to them causing certain genes to be activated. This activation creates RNA whi... | <urn:uuid:1d9ff031-95d2-4f6e-ae9a-ebab9f44e431> | 2.90625 | 204 | Personal Blog | Science & Tech. | 56.932584 |
Major Section: PROGRAMMING
List is the macro for building a list of objects. For example,
(list 5 6 7) returns a list of length 3 whose elements are
7 respectively. Also see list*.
List is defined in Common Lisp. See any Common Lisp documentation
for more information. | <urn:uuid:7d45b3f8-da3d-4908-b8e7-f23fb6d369b3> | 2.953125 | 63 | Documentation | Software Dev. | 64.094 |
“So,” Herr Schrodinger says to us, “I’m looking for a function of x. It needs to be equal to the negative of its second derivative, up to a constant factor. When x is zero, the function itself should be zero. And when x equals L for some constant L greater than zero, the function also needs to be zero. Can you find me ... | <urn:uuid:13dad021-d493-4235-ba21-af0717d94099> | 3.375 | 754 | Personal Blog | Science & Tech. | 71.201586 |
Heat waves exacerbated by climate change
The Climate Commission says the heatwave which has made Australia sweat this week has been made worse by climate change. Global warming's role in heatwaves is expected to increase in coming decades too.
Source: AM | Duration: 3min 38sec
ASHLEY HALL: Fire crews in Tasmania, Victo... | <urn:uuid:2748fb3e-711a-42f7-b72d-225e039c326a> | 2.796875 | 874 | Audio Transcript | Science & Tech. | 48.115052 |
Information on WSDL (Web Services Description Language)
WSDL (Web Services Description Language) provides a means
based on XML by which the capabilities of a web
server can be described. WSDL describes web services
in terms of a set of end points that accept
requests and issue responses. A WSDL document specifies
the s... | <urn:uuid:db4554fa-c2c2-4441-bff3-2fd8adfb9253> | 2.6875 | 213 | Documentation | Software Dev. | 56.484659 |
|What do Saturn's rings look like from the dark side?
From Earth, we usually see Saturn's rings from the same side
of the ring plane that the Sun illuminates them -- one might call this the bright side.
Geometrically, in the
above picture taken in August by the
robot Cassini spacecraft now orbiting
the Sun is behind th... | <urn:uuid:c457d164-099a-41c4-9a47-cda32f786e5a> | 3.203125 | 218 | Truncated | Science & Tech. | 52.939802 |
illustration, two distant galaxies formed about
2 billion years after the big bang are
caught in the
afterglow of GRB090323,
a gamma-ray burst seen across the Universe.
Shining through its own host galaxy
and another nearby galaxy,
the alignment of gamma-ray burst and galaxies
was inferred from the afterglow spectrum f... | <urn:uuid:a9178669-1c70-42f1-987c-259e7b9769b7> | 4.15625 | 299 | Knowledge Article | Science & Tech. | 33.179201 |
waste from nuclear power plants can be in solid, liquid, or
gaseous forms. Some of the types and quantities of possible
nuclear waste are noted below.
Uranium (DU) is, according to the to the Military Toxins Project,
the radioactive byproduct of the uranium enrichment process,
is "roughly 60% as radioactive as naturall... | <urn:uuid:2481170e-0fe2-4602-8170-2ca5be842156> | 3.875 | 484 | Knowledge Article | Science & Tech. | 38.668332 |
Originators: G. Wegner; Geňa Hahn, André Raspaud, and Weifan Wang (presented by Douglas West - REGS 2007)
Definitions: A k-coloring of the vertices of a graph is an injective coloring if for every vertex v, the neighbors of v receive distinct colors. The injective chromatic number χi(G) is the least k such that G has a... | <urn:uuid:a32bc3f2-8647-4cbf-86c8-a359c33a7301> | 2.859375 | 1,554 | Academic Writing | Science & Tech. | 95.123307 |
Rubber Bands and Paper Clip
Hi all. I have a question. How do you show the difference between stress (pressure) and force? We were given 2 short elastic bands, 2 long elastic bands, and 2 paper clips. Idea that came up was to tie one elastic band to 1 weight (anything). Suspend it. And measure length of elastic band. T... | <urn:uuid:810fa133-9133-4ad7-9b5a-2aa09214001c> | 3.28125 | 258 | Comment Section | Science & Tech. | 72.714199 |
Let's start with the oldest-living animal of all, and one of the strangest in the entire animal kingdom: Turritopsis nutricula, otherwise known as the immortal jellyfish. You might think that this animal's common name is poetic, that perhaps it lives for a few hundred years, impressing generations of scientists--but yo... | <urn:uuid:117dcba9-1af5-4e00-84d0-fb7fb2678d29> | 2.96875 | 269 | Personal Blog | Science & Tech. | 33.24 |
4 March 2005 | EN
Satellite image of tropical cyclone Marilyn approaching islands in the Caribbean, 1995
Following last year's tsunami, the international community has agreed to create a tsunami warning system for the Indian Ocean. To help push plans forward, members of UNESCO's Intergovernmental Oceanographic Commissi... | <urn:uuid:eb2a495f-1ff7-4ba9-8729-44a8dcc406d9> | 3.5 | 257 | Truncated | Science & Tech. | 34.761353 |
It's a significant finding in the search for signs of extraterrestrial life. According to astronomers using the National Science Foundation's Green Bank Telescope, evidence of prebiotic molecules have been discovered in interstellar space -- the first such evidence unearthed. The finding, according to experts, could in... | <urn:uuid:77779015-4c19-4ad4-b453-1d42175ba279> | 3.15625 | 122 | Truncated | Science & Tech. | 35.215431 |
So I mentioned batteries the other day and thought I should follow up with a bit more electrochemistry. Electroplating is simply the act of using an electrical current to deposit a layer of one thing (usually a metal) on top of another thing. This is fairly common procedure for many things including making car parts an... | <urn:uuid:59f158ff-1440-4b19-a89c-d6a256a9b026> | 3.75 | 325 | Personal Blog | Science & Tech. | 41.01928 |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2005 October 22
Explanation: How could a galaxy become shaped like a ring? The rim of the blue galaxy pictured on the right is an immense ring-like ... | <urn:uuid:84115b37-6835-481b-8be1-12915e9e3d0e> | 4 | 279 | Knowledge Article | Science & Tech. | 45.367948 |
The proteomics of Chernobyl: The area immediately surrounding the Chernobyl nuclear plant has been deemed unfit for human habitation, but plants and animals don't pay attention to safety officials, and have happily taken advantage of the fact that they can go about their business undisturbed in the exclusion zone. Rese... | <urn:uuid:f1bb5f90-9d01-4186-8abc-c9a18c7bd42d> | 2.75 | 849 | Listicle | Science & Tech. | 39.853836 |
The most detailed discussion of how statistics are used is the Row Estimation Examples section of the documentation. Ultimately all information about how a query might be executed is turned into a serious of costs via the various Cost Constants. So if a table is 1000 pages in size, and the statistics suggest 10% of it ... | <urn:uuid:4e68f38f-ee0d-406b-8bed-e192b3225e8c> | 2.75 | 239 | Q&A Forum | Software Dev. | 49.429451 |
[erlang-questions] String encoding and character set
Wed Jan 17 01:59:51 CET 2007
My guess is that with a string format you can access the nth character of
the message by its position, which can be very difficult to do with a list
if the encoding support different size for different characters (and
sometimes the same c... | <urn:uuid:f6b365c4-22cf-478b-a6a1-7313a6f5bb77> | 2.9375 | 391 | Comment Section | Software Dev. | 61.843788 |
What is G.L.O.R.I.A.?
The Global Observation Research Initiative in Alpine Environments (GLORIA) is a worldwide network of long-term research sites established to assess the impacts of climate change in sensitive native alpine communities.
There are more than 60 GLORIA target regions in mountain ranges worldwide, inclu... | <urn:uuid:25e5534e-98d9-4184-a598-95c1f6c20c2f> | 3.59375 | 172 | Knowledge Article | Science & Tech. | 27.095183 |
Your current filters are…
by Andy Grover
When the computer receives a packet, it is copied into a kernel buffer by the NIC, then copied by the CPU from the kernel buffer to its actual destination in the receiving process's address space. The same data is transferred over the memory bus THREE times, and the CPU must dum... | <urn:uuid:fdfdbb79-4117-4b6e-a47b-b01d091e68ca> | 2.78125 | 154 | Content Listing | Software Dev. | 41.3624 |
Ea-5 The Electromagnetic Pump
Published: Tuesday 14 March 2006 - Updated: Tuesday 29 March 2011
To demonstrate the magnetic force on an electric current (in a fluid) using a simple electromagnetic pump.
- Electromagnetic pump
- D.C. supply from lecture bench
- T.V. camera and monitor
- Desk lamp
- Adjustable permanent ... | <urn:uuid:30742805-31bf-4ee1-afe9-576b49d89d19> | 3.5625 | 238 | Tutorial | Science & Tech. | 61.766866 |