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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Sea-Ice thickness from ICESat data (Arctic)
Sample map of the ICESat-data based Arctic sea-ice thickness distribution for the period October/November 2005.
The data are available via this link.
Travel time measurements of laser pulses emitted by the GLAS instrument aboard the ICESat satellite allow the determination of... | <urn:uuid:c50caa6c-ae55-4ef0-9878-d7db0be0dedf> | 2.78125 | 688 | Knowledge Article | Science & Tech. | 47.587877 |
Sketchpad Resources || Main CIGS Page
Dirichlet Regions for Three Points:
The loci of circle intersections trace the boundaries of three Dirichlet regions, each containing one of the points A, B, C. The Dirichlet region containing A, for example, is the set of points P which are closer to A than to any of the other poi... | <urn:uuid:8aa77f97-c724-42ff-915e-4883357cbc30> | 3.9375 | 225 | Tutorial | Science & Tech. | 55.583526 |
In an earlier post I noted that
the use of average temperatures could actually hide indications of climate change. Inaccurate temperatures would further reduce the accuracy of any analysis.
the use of high and low temperatues instead of hourly temperatures creates a potential bias if temperatures are checked at times o... | <urn:uuid:c1fa95b8-3429-4013-85f1-eb03080a3220> | 3.21875 | 454 | Personal Blog | Science & Tech. | 48.36503 |
There continues to be many news outlets that are pushing the idea that the Earth will warm up 4 °C by the year 2100. Back in December I initially addressed the issue here, but a thought has percolated with me about how to really deal with this propaganda. The idea is simple enough, I am going to start tracking the pred... | <urn:uuid:9fee6feb-3706-4544-83e4-8b1dbbd2ae48> | 2.734375 | 756 | Personal Blog | Science & Tech. | 73.165784 |
Science subject and location tags
Articles, documents and multimedia from ABC Science
Monday, 26 November 2012
New research into the world's major river systems has found that too much water is being taken out.
Tuesday, 20 November 2012
Water conservation can lead to smellier sewers and more corrosion in sewer pipes, a... | <urn:uuid:712d1b6b-42bd-46be-8e3d-c513e87fa110> | 2.71875 | 349 | Content Listing | Science & Tech. | 55.135242 |
The Structure of the DNA Molecule
Access Excellence Classic Collection
Although scientists as far back in history as Aristotle recognized that the features of one generation are passed on to the next (...like begets like...) it was not until the 1860's that the fundamental principles of genetic inheritance were describ... | <urn:uuid:64b41299-349b-474e-bdb0-ea4b3176f572> | 3.921875 | 1,456 | Knowledge Article | Science & Tech. | 41.58806 |
Science Fair Project Encyclopedia
Classical tests of general relativity
The classical tests of general relativity are the direct consequences for experimental verification of the theory of general relativity about gravitational interaction. Three possible types of experiments are proposed soon after publication of the ... | <urn:uuid:31e0099b-d001-43c4-870c-600b0c6d199a> | 3.84375 | 1,704 | Knowledge Article | Science & Tech. | 51.269086 |
As short as an attosecond…Wednesday, July 11th, 2012 by Roberto Saracco
Imagine a billionth of a second, well it is pretty difficult. Let’s say that a billionth of a second is as far to a second as one second is far from 33 years (in 33 years you have a billion of seconds). In a billionth of a second a light beam will ... | <urn:uuid:4f47be9b-790c-48b1-af51-0a48d41a7e78> | 3.25 | 390 | Personal Blog | Science & Tech. | 53.998877 |
The greatest earthquake risk east of the Rocky Mountains is along the New Madrid fault system. Damaging earthquakes are much less frequent than in California, but when they do occur, the damage can be far greater, due to the underlying geology.
The New Madrid fault system, or the New Madrid seismic zone, is a series of... | <urn:uuid:d798d8df-3ce1-4db5-a25a-2b61ad6cf02e> | 4 | 659 | Knowledge Article | Science & Tech. | 56.111724 |
WrapperTypes are usually trivial wrappers (i.e. newtypes) that are designed to convey some information to the type system. Non-trivial type synonyms and Type class wrapper are both instances of this. This idiom is also in a synergistic relation to Phantom types, Traits type class, and Simulating dependent types.
1 Usag... | <urn:uuid:c3e0a213-9024-4488-a7b9-647a11376570> | 3.234375 | 560 | Documentation | Software Dev. | 38.967144 |
Scientists at the Natural History Museum have identified for the first time how the tiny structures that make butterfly wings shimmer, and seemingly change colour, actually work
'We've found for the first time that more than one structure within a single scale causes the colour changes in butterflies,' says Dr Abigail ... | <urn:uuid:8e5642f0-01c0-428e-b54d-c0cc9ec08c9a> | 3.96875 | 459 | Knowledge Article | Science & Tech. | 33.932062 |
Describing Motion with Velocity vs. Time Graphs
Experiment with velocity-time (and position-time) plots with this interactive Java applet.PhET Simulation: The Moving Man
Explore the relationship between motion graphs and motion with PHET's The Moving Man simulation.Apply the Brakes
Explore the difference between consta... | <urn:uuid:9e13f0aa-dbba-40a9-b382-b9acbcf5e272> | 3.328125 | 1,539 | Tutorial | Science & Tech. | 46.177428 |
Posted By Crosis on Tuesday, November 12 2002
Subject: Scientists spot simultaneous solar flares on opposite sides of sun
Scientists have observed solar flares erupting almost simultaneously on opposite sides of the sun.
The discovery was made by researchers at the National Solar Observatory in southern New Mexico.
Cli... | <urn:uuid:875eca96-d2ed-40ef-96fa-adb7eef4a8c0> | 2.921875 | 101 | Comment Section | Science & Tech. | 41.675152 |
Instances of Set and ImmutableSet both provide the following operations:
||cardinality of set s|
||test x for membership in s|
||test x for non-membership in s|
||test whether every element in s is in t|
||test whether every element in t is in s|
||s | t||new set with elements from both s and t|
||s & t||new set with e... | <urn:uuid:571c1b2f-fcc7-44d4-a468-d88e756a74ac> | 3.140625 | 737 | Documentation | Software Dev. | 52.475021 |
Back in the old days of Python, to call a function with arbitrary arguments, you would use
apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays,
is preferred. The
multiprocessing.Pool modules tries to provide a similar interface.
Pool.apply is like Python
apply, except that... | <urn:uuid:6a273c9a-9fb7-4d7e-883a-0574dd790b38> | 2.71875 | 546 | Q&A Forum | Software Dev. | 64.889324 |
New Chameleon Species from the Aberdare Mountains, Kenya
A new species from the central highlands of Kenya is described but may be threatened by fires
Surveys of the highlands of East Africa continue to reveal undescribed chameleon species diversity. Researchers recently surveyed the inaccessible Kinangop Peak (4000m) ... | <urn:uuid:a3fa7ca5-c178-4df8-82e0-fc9c6f28de22> | 2.734375 | 228 | Truncated | Science & Tech. | 36.466491 |
Tag: "sticky" at biology news
Research suggests new way to repair cartilage damage
...hyaluronan was chemically altered to have multiple sticky
sites that are used to latch on to each other. The researchers then treat the polymer gel with laser light, turning the liquid into a solid, a process that takes about 30 secon... | <urn:uuid:eed07e4a-1f6d-4a4e-822c-76cd7c179d21> | 2.703125 | 707 | Content Listing | Science & Tech. | 48.38419 |
Nested loop (loop over loop)
In this algorithm, an outer loop is formed which consists of few entries and then for each entry, and inner loop is processed.
Select tab1.*, tab2.* from tabl, tab2 where tabl.col1=tab2.col2;
For i in (select * from tab1) loop
For j in (select * from tab2 where col2=i.col1) loop
The Steps i... | <urn:uuid:aa9bedac-146b-4c29-99b8-ccefabad5e15> | 3.609375 | 1,054 | Documentation | Software Dev. | 57.700849 |
- Wind farms can warm up the surface of the land underneath them during the night.
- Satellite data of surface temperatures from western Texas show a direct correlation between night-time temperature increases and wind farm location.
New research finds that wind farms actually warm up the surface of the land underneath... | <urn:uuid:0235891f-115b-48ae-86f7-214398d144ad> | 3.59375 | 148 | Personal Blog | Science & Tech. | 51.064884 |
I’m of the opinion that if we’re ever going to achieve long-range space exploration/colonization, human engineering of some sort will be required. This not only applies to space exploration however, but most likely the long-range survival of humanity in general. The common fear in this topic seems to always conjure up ... | <urn:uuid:ca270da1-4bd3-46e6-85fc-182b0667a5ba> | 2.765625 | 647 | Personal Blog | Science & Tech. | 39.094469 |
Science subject and location tags
Articles, documents and multimedia from ABC Science
Monday, 11 March 2013
The ability of ecosystems to adapt to climate change has been put under the microscope and the news is good for tuna and tropical rainforests.
Monday, 30 July 2012
New light has been shed on the Southern Ocean's ... | <urn:uuid:b57bec39-da32-499a-acc9-2670e9d08f52> | 2.875 | 549 | Content Listing | Science & Tech. | 36.029148 |
Wednesday 15 May
Louisiana pancake batfish (Halieutichthys intermedius)
- The Louisiana pancake batfish is a bizarre-looking fish with an enlarged head, a flattened body and limb-like pectoral fins.
- The Louisiana pancake batfish uses its fins to ‘walk’ along the ocean floor in a peculiar motion that resembles that of... | <urn:uuid:ab86f124-774f-4a74-a45d-68029d4026dc> | 2.828125 | 2,824 | Knowledge Article | Science & Tech. | 40.404669 |
Southern right whale (Eubalaena australis)
|Size||Length: up to 18 m (2)|
Calf length: 5.50 m (2)
Calf weight: 1,000 – 1,500 kg (2)
|Weight||up to 80,000 kg (2)|
The southern right whale is classified as Least Concern (LC) on the IUCN Red List (1). The Chile-Peru subpopulation is listed as Critically Endangered (CR) on... | <urn:uuid:c4b8045a-6b5d-4a41-b4c8-75ae8109dead> | 3.484375 | 1,415 | Knowledge Article | Science & Tech. | 48.446006 |
We will now see why studying the free energy of a system is useful in determining its behaviour.
The free energy change, ΔG, of a chemical reaction is the difference in free energy between the products of the reaction and the reactants. If the free energy of the products is less than the free energy of the reactants th... | <urn:uuid:be535866-f4a6-4b1a-b8d4-53052aafb4a0> | 4.03125 | 124 | Knowledge Article | Science & Tech. | 54.252529 |
Static source code analysis for bug finding ("static analysis" for short) is the process of detecting bugs via an automated tool that analyzes source code without executing it. The idea goes back at least to Lint, which was invented at Bell Labs in the 1970s, but static analysis has undergone a revolution in effectiven... | <urn:uuid:70720199-1647-4c0a-ade9-91bba85c6549> | 2.78125 | 1,341 | Personal Blog | Software Dev. | 27.594825 |
Nevertheless, substantial progress has been achieved in better defining the direct effect of a wider set of different aerosols. The SAR considered the direct effects of only three anthropogenic aerosol species: sulphate aerosols, biomass-burning aerosols, and fossil fuel black carbon (or soot). Observations have now sh... | <urn:uuid:a8d2fde4-a91d-4cce-9a95-5d2adf493535> | 3.765625 | 671 | Knowledge Article | Science & Tech. | 20.267189 |
Areopaguristes tudgei. That's the name of a new species of hermit crab recently discovered on the barrier reef off the coast of Belize by Christopher Tudge, a biology professor at American University in Washington, D.C.
Tudge has been interested in biology his whole life, from boyhood trips to the beach collecting crus... | <urn:uuid:2d8eb026-db43-4827-b5bc-4fb8de4c48ff> | 3.15625 | 1,637 | Knowledge Article | Science & Tech. | 48.642414 |
1. Electricity is the flow of electrical power or charge.
2. Electricity travels at the speed of light more than 186,000 miles per second.
3. The electricity we use in our homes comes from a primary source like oil, nuclear power, coal, natural gas, the sun, or other natural sources.
4. Water and wind are other sources... | <urn:uuid:7eed3d92-d5f3-4a5a-8115-46f17045e64c> | 3.34375 | 268 | Listicle | Science & Tech. | 59.310714 |
Welcome to "The
those who have had the good fortune to view our planet from space,
they are struck by the overwhelming impression that ours is a blue
planet. Indeed over 70% of our planet is covered by water giving our
home this blue aura. On closer inspection, patches of emerald and
aquamarine become apparent in the l... | <urn:uuid:a108c04f-6ecb-4fe9-b040-ae12dae9cf82> | 3.59375 | 726 | Knowledge Article | Science & Tech. | 33.623556 |
Soil pH is an indication of the alkalinity or acidity of soil.
It is based on the measurement of pH, which is based in turn on the activity of hydrogen ions (H+) in a water or salt solution.
For more information about the topic Soil pH, read the full article at Wikipedia.org, or see the following related articles:
Reco... | <urn:uuid:f2a49dae-ccb6-4dbf-b4ec-c9f537cb9d0b> | 2.984375 | 98 | Knowledge Article | Science & Tech. | 44.227078 |
For the Danish physicist Niels Bohr, a founder of quantum theory (and to whom Schrödinger’s regretful comment was directed), the answer was that measurements must be made with a classical apparatus. In what has come to be called the standard, or Copenhagen, interpretation of quantum mechanics, Bohr postulated that macr... | <urn:uuid:7bcb78c8-b323-478d-97bf-fefae08fd762> | 3.625 | 898 | Knowledge Article | Science & Tech. | 37.337727 |
Provide your input on the draft USGS Global Change Science Strategy by April 8, 2011.
Crews respond to spring flooding in the Midwest and Northern Plains. Read more...
The USGS is ready to address some of society’s most critical issues for years to come. Read more
Join citizens and scientists in tracking The Pulse of O... | <urn:uuid:5ee2d4a4-efe2-4a65-a113-d5b5285908a2> | 3.015625 | 2,603 | Content Listing | Science & Tech. | 37.928749 |
Observing Basics: Distances in Space
Light's constant speed helps astronomers and observers better understand the vastness of our universe.
|Light travels at a constant speed of 299,702,458 meters per second (186,282 miles per second). That's equal to more than 670 million mph (1.08 billion km/hr). So the distance ligh... | <urn:uuid:49fc90d1-8ce4-41a4-8133-e6046dc704c1> | 3.25 | 249 | Tutorial | Science & Tech. | 74.456053 |
It’s been an interesting year for climate scientist Judith Curry, who after Climategate split with most of her peers and called for reform in the climate science community. She did this most publicly via a letter published by Climate Audit, a noted skeptic web site. Curry called for more transparency in climate researc... | <urn:uuid:31df5a93-125b-49e6-ab04-29a5266450f7> | 3.03125 | 1,999 | Audio Transcript | Science & Tech. | 57.235847 |
Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology
1. 1. Seasonal differences in metabolic and water loss rates were examined in three related species of grasshoppers collected from shrub-steppe communities in Utah: Arphia conspersa, A. pseudonietana and
2. 2 cohorts of Trimerotropis p... | <urn:uuid:b5e3d614-f632-4849-ba40-caca0960f1ed> | 2.734375 | 370 | Academic Writing | Science & Tech. | 59.830502 |
Debris flow extending down the southwest wall of Janssen K crater (a highlands crater about 16 km in diameter). Image width is 570 meters (NASA/GSFC/Arizona State University).
Two separate debris flows extend down the western interior wall of the the impact crater Janssen K (46.1° S, 42.3° E). A portion of one flow is ... | <urn:uuid:36021bb5-85c8-4444-9825-766ae8960516> | 3.375 | 214 | Knowledge Article | Science & Tech. | 68.893788 |
Update: Criss-Cross Caterpillars
The appearance of Xs and Ys in the striping pattern of monarch caterpillars occurs due to a misalignment of segments. These are referred to as teratogens or as teratogenic forms. Most of these forms are developmental in origin but a few may be genetic. We usually spot these in the third... | <urn:uuid:36c4d46c-0cea-4d96-99c3-a8fc40307f6f> | 3.5625 | 189 | Comment Section | Science & Tech. | 55.294615 |
For Lottie Williams, the cosmic lottery hit a jackpot on a cool Tulsa, Oklahoma, morning in 1997. Soon after witnessing a satellite breaking up in the atmosphere during her early morning walk, Williams entered the history books as the first, and only, person on record to be hit by falling space junk. The feather-light ... | <urn:uuid:c8178f37-b117-480c-9ee4-8ad07d714f8d> | 3.6875 | 394 | Nonfiction Writing | Science & Tech. | 33.930717 |
Getting a solid view of lightning
Space Science News home
Getting a solid view of lightning New Mexico team develops system to
depict lightning in three dimensions
One of a series of stories covering the quadrennial International Conference on Atmospheric Electricity, June 7-11, 1999, in Guntersville, Ala.
For most of ... | <urn:uuid:e237f96c-19d3-4ae2-878f-5c61b4c00762> | 3.671875 | 2,164 | Content Listing | Science & Tech. | 48.293886 |
The embryo of a guppy fish at 40-times magnification.
Image by Shmuel Silberman.
THIS WEEK’S QUESTION!
Every Sunday, a question will be asked about one of the images from this past week. Be the first to answer correctly, and your blog will be promoted on Monday’s image post and Biocanvas’s main site!
Some flowering pla... | <urn:uuid:e9b9a67b-f77b-4684-95c7-481a60ce96cc> | 3.140625 | 909 | Content Listing | Science & Tech. | 51.400394 |
||This article needs to be wikified. (November 2011)|
A chemical property is any aspect of a substance which is only seen by means of a chemical reaction.
This is different from a physical property which can be discovered without changing the substance's chemical structure.
Chemical properties can be used for building ... | <urn:uuid:1112e349-d3cc-44ba-b5d6-508ecd46e47f> | 3.375 | 87 | Knowledge Article | Science & Tech. | 37.119 |
What will you find in some pond water? Pond critters of course.
We had already completed an initial lesson in the classroom. I had scooped a bucket of pond water from my neighborhood and we examined the unicellular and multicellular life of the pond. In fact, this lesson was taught almost two months ago but then we had... | <urn:uuid:f5b9ad58-485c-4c10-87db-4dee5e837262> | 3.078125 | 288 | Personal Blog | Science & Tech. | 57.084118 |
As Russian speakers will be aware, more and less profane versions of the question “What was that?” punctuated many of the spectacular videos recorded in and around the Siberian city of Chelyabinsk on Friday, as what NASA calls “the Russian fireball” screamed across the sky.
To answer that question, The Lede turned to K... | <urn:uuid:0729b584-8e21-4823-b61c-d66c05739d3d> | 4 | 387 | Knowledge Article | Science & Tech. | 45.028222 |
Index to Plant Chromosome Numbers (IPCN)
The Index to Plant Chromosome Numbers is an NSF funded project that aims to extract and index original plant chromosome numbers of naturally occurring and cultivated plants published throughout the world. A committee of voluntary contributing editors, located in various parts of... | <urn:uuid:149d5a3e-89a4-435d-856c-376690848276> | 2.75 | 357 | Knowledge Article | Science & Tech. | 42.724848 |
Science subject and location tags
Articles, documents and multimedia from ABC Science
Tuesday, 7 May 2013
The fungus suspected of killing off many of the world's frogs is from an ancient strain that has just recently escaped its niche thanks to globalisation, suggests new research.
Wednesday, 27 March 2013
Higher body ... | <urn:uuid:bfa035fb-984f-495c-94c3-e2b71a790097> | 2.703125 | 509 | Content Listing | Science & Tech. | 45.719444 |
Tools for HPC development
Parallel applications development
Examine the tools and utilities one may expect to find in a parallel
- Data set preparation - dealing with data sets that tend to be much
larger than in conventional computing.
- Code debugging - need special tools to debug code that runs on many
- Code analys... | <urn:uuid:153a4b9b-023d-4f08-b59d-afe12fb1bfdb> | 2.9375 | 511 | Tutorial | Software Dev. | 27.34411 |
Having got out my college physics book, I will now prove that focal length does not affect resolution loss due to diffraction. *drum roll*
Now, we know that diffraction creates these 'Airy disks' which look like bulls-eyes - a central dot surrounded by concentric rings. The smaller the aperture, the bigger this central... | <urn:uuid:e9329e4c-3e0e-44cb-8b3c-56b02a137218> | 3.578125 | 1,355 | Comment Section | Science & Tech. | 75.521169 |
Blasting the atmosphere of Saturn's moon Titan with X-rays can produce a base component of DNA, a new laboratory study suggests. While the effect may only occur periodically, when meteoroid impacts deliver water to the moon's surface, the finding adds to evidence that Titan may be ripe for life.
In some ways, Titan is ... | <urn:uuid:6c0aa9f1-0e99-4977-b514-66cd5ffc7560> | 4.0625 | 1,609 | Comment Section | Science & Tech. | 55.238894 |
Consider a system of N particles in a cubic box of volume .
The particles are assumed not to interact with each other. Thus, the Hamiltonian in Cartesian coordinates may be taken to be
where we are assuming that all particles are of the same type.
The microcanonical partition function is
Since the Hamiltonian is indepe... | <urn:uuid:e25bba0e-8074-4e17-a9f4-a98ffbaa9d8c> | 3 | 622 | Academic Writing | Science & Tech. | 40.01813 |
This image of the Martian surface shows large valleys called Northwestern sloped valleys (NSV's) that were created by cataclysmic flooding in the distant past.
Courtesy of NASA
The Largest Valley System in the Solar System
News story originally written on August 8, 2001
Scientists studying the features of Mars
have dis... | <urn:uuid:25f69800-bd26-4ec7-850c-1e7e1813d443> | 4.375 | 675 | Content Listing | Science & Tech. | 56.193773 |
Over the weekend, The New York Times reported that the Obama administration is preparing to launch biology into its first big project post-genome: mapping the activity and processes that power the human brain. The initial report suggested that the project would get roughly $3 billion dollars over 10 years to fund proje... | <urn:uuid:3db21e7d-f54e-4116-99c5-d2bd57091162> | 3.25 | 1,813 | Audio Transcript | Science & Tech. | 40.948187 |
Thermodynamic energy problems (tutorial J ) are presented in a variety of ways designed to illustrate: the definitions of thermal energy changes, the transfer of thermal energy, how the energy of a reaction is measured and how the energy of a reaction can be calculated using thermodynamic data. The problems given here ... | <urn:uuid:bda93d27-93a2-49eb-bce4-f13b40019b03> | 3.6875 | 597 | Tutorial | Science & Tech. | 75.983596 |
We're constantly imitating nature.
Artificial intelligence researchers study the way babies learn to right themselves after falling down to help train robots to behave similarly.
We're still learning new things about flight dynamics and wing design from butterflies and other animals.
If you've ever carefully tiptoed ac... | <urn:uuid:63afee7c-a28e-4e62-b6b7-b019fbf64b3d> | 2.796875 | 244 | Nonfiction Writing | Science & Tech. | 50.887243 |
Astroparticle physics, the same as particle astrophysics, is a branch of particle physics that studies elementary particles of astronomical origin and their relation to astrophysics and cosmology. It is a relatively new field of research emerging at the intersection of particle physics, astronomy, astrophysics, detecto... | <urn:uuid:5d95c4be-9f3b-4a15-84be-a4a4b240e91a> | 3.28125 | 1,741 | Knowledge Article | Science & Tech. | 26.047512 |
Climate models at different spatial scales and levels of complexity provide the major source of information for constructing scenarios. GCMs and a hierarchy of simple models produce information at the global scale. These are discussed further below and assessed in detail in Chapters 8 and 9. At the regional scale there... | <urn:uuid:c1b1aad4-d95a-4c6c-8bd7-477524a7b40b> | 3.4375 | 524 | Academic Writing | Science & Tech. | 40.142727 |
The predatory tunicate (Megalodicopia hians) is a species of tunicate (see thesetwo previous posts) which lives anchored along the deep sea canyon walls and seafloor, waiting for tiny animals to drift or swim into its hood-shaped mouth. Looking something like a cross between a jellyfish and a Venus Flytrap (see this po... | <urn:uuid:5a35a3a5-e6f6-410d-bf73-867aa8225cb3> | 3.5 | 810 | Personal Blog | Science & Tech. | 48.490036 |
This section contains documents created from scanned original files and other
documents that could not be made accessible to screen reader software. A "#"
symbol is used to denote such documents.
Definition, including P = F*v; example of power for bicycle at two speeds.
Definitions of power, average power, and instanta... | <urn:uuid:b5aaa49c-0260-487e-b1cb-149a1012953b> | 3.546875 | 250 | Content Listing | Science & Tech. | 40.619242 |
Exercise 6.10: stripHtmlTags
Write a method called
stripHtmlTags that accepts a
Scanner representing an input file containing an HTML web page as its parameter, then reads that file and prints the file's text with all HTML tags removed. A tag is any text between the characters
> . For example, consider the following te... | <urn:uuid:b3e582a1-6a9a-412f-9fa5-eb1e3fd35788> | 3.15625 | 263 | Documentation | Software Dev. | 65.567016 |
In the post "pthread creation" we saw how to create a simple thread and we had used the default attributes for the thread.
One of the default attribute is that the thread is creates always as a joinable i.e. the parent thread has to call pthread_join for the thread to successfully terminate.
On the other hand if we do ... | <urn:uuid:907b8e41-d4c6-4358-a265-293c293f3ce1> | 3.109375 | 359 | Tutorial | Software Dev. | 55.024021 |
Science subject and location tags
Articles, documents and multimedia from ABC Science
Thursday, 25 February 2010
Palaeontologists in the US have identified the remains of a gigantic, prehistoric shark nicknamed the 'shell crusher', which pulverised shelled animals with its 1000 teeth.
Wednesday, 17 February 2010
A grou... | <urn:uuid:c4261ac7-b45d-4501-9aa8-1488f549a6f5> | 2.953125 | 547 | Content Listing | Science & Tech. | 32.029077 |
Stem cell everything
Stem cell research is too large an area to review in its entirety, but in 2012 more than any other year since their stumbling entry to the world stage, stem cells have proven to be a vitally important part of our quest to master all disease. The problem posed by embryonic stem cells, which provided... | <urn:uuid:d58caa32-a358-4191-9473-9c770957320b> | 3.125 | 352 | Truncated | Science & Tech. | 45.854091 |
In a paper published in the current issue of Nature Genetics, the researchers reported finding some surprises as they have decoded the genome of the worm, a tiny nematode called Pristionchus pacificus.
"We found a larger number of genes than we expected," says Sandra Clifton, Ph.D., research assistant professor of gene... | <urn:uuid:9c1850f5-9b68-40c2-bff1-efc0983ff0c8> | 4.03125 | 1,589 | Content Listing | Science & Tech. | 38.981853 |
Oil and gas might be running out, but renewable power sucks so much it counts for less than 10 per cent of all the energy we use. The answer? Recreate the sun using nuclear fusion, in a sleepy corner of the UK.
No, really. Over the past few decades scientists and engineers have been scratching their heads over how to s... | <urn:uuid:913b153e-0a7f-4ee3-a365-f57ccd94606c> | 3.4375 | 437 | Personal Blog | Science & Tech. | 51.929664 |
Einstein’s theories of relativity hold that space and time are woven together into a four-dimensional fabric, and that a weighty body like a planet or a star depresses that fabric, like someone sitting on a chair or a trampoline. Gravitational attraction is really just objects following the warped path.
What’s more, th... | <urn:uuid:142fade4-2452-4b43-b725-33aad66e7f24> | 3.5625 | 302 | Personal Blog | Science & Tech. | 49.539746 |
A sample of a bizarre crystal once considered unnatural may have arrived on Earth 15,000 years ago, having hitched a ride on a meteorite, a new study suggests.
The research strengthens the evidence that this strange "quasicrystal" is extraterrestrial in origin.
The pattern of atoms in a quasicrystal falls short of the ... | <urn:uuid:b9953f26-f73b-4ebd-ab97-c197eb05b3e6> | 3.671875 | 309 | Comment Section | Science & Tech. | 31.864163 |
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|Apr3-08, 08:04 PM||#1|
Frames of reference question
1. The problem statement, all variables and given/known data
A smooth level table is centered on a platform which rotates.
- The uniform rotation is at: one revolution in 12 seconds
- Two perpendicular lines are drawn through the centre of the table, intersecting a c... | <urn:uuid:451ced34-d8a7-4813-bf6a-82cd1303c224> | 3.875 | 494 | Comment Section | Science & Tech. | 68.075032 |
You probably didn’t wake up this morning wondering what happens to the antiprotons that must be created by the collision of cosmic rays with the upper atmosphere. But if you are one of the few who loses sleep over the fact that these antiprotons should be somewhere out there but have yet to be directly detected, we are... | <urn:uuid:12e13be7-2f8d-45b9-8aa3-cac3d1f8d757> | 3.203125 | 491 | Nonfiction Writing | Science & Tech. | 41.230306 |
A flexible optically transparent fiber, usually made of glass or plastic, through which light can be transmitted by successive internal reflections.
The field of technology that combines the physics of light with electricity. Optoelectronics encompasses the study, design and manufacture of devices that source, detect a... | <urn:uuid:cdd77568-de19-4c81-b468-7101c2e72eab> | 3.25 | 403 | Structured Data | Science & Tech. | 36.661052 |
WEEK 1 (FRACTALS)
1-1) Play the following "line chaos game": You need a coin , paper and pencil.
Draw a segment across the page; we will call its length "1". The left end is called H (for Heads) and the right is called T (for Tails).
Rules: Pick any point in the segment (called Xo, the "seed"). Flip the coin. If it tur... | <urn:uuid:5a712ac8-60a6-490e-b283-4441dcae14e0> | 3.609375 | 1,479 | Tutorial | Science & Tech. | 74.26975 |
Wildfires: A Symptom Of Climate Change
Hampton VA (SPX) Sep 29, 2010
This summer, wildfires swept across some 22 regions of Russia, blanketing the country with dense smoke and in some cases destroying entire villages. In the foothills of Boulder, Colo., this month, wildfires exacted a similar toll on a smaller scale.
T... | <urn:uuid:deb15579-c6d7-45b1-bad8-4c7697662dfa> | 3.203125 | 1,107 | Truncated | Science & Tech. | 38.673761 |
An international team of scientists recently announced the discovery of a new species of blind deep-sea crab whose legs are covered with long, pale yellow hairs. This crab was first observed in March 2005 by marine biologists using the research submarine Alvin to explore hydrothermal vents along the Pacific-Antarctic r... | <urn:uuid:a77f7bb8-8051-4a69-a917-be7de1a0f5e2> | 3.8125 | 468 | Truncated | Science & Tech. | 37.489884 |
Deprecated since version 2.6: This module is obsolete. Use the subprocess module. Check especially the Replacing Older Functions with the subprocess Module section.
This module allows you to spawn processes and connect to their input/output/error pipes and obtain their return codes under Unix and Windows.
The primary i... | <urn:uuid:847cae06-922f-43e8-a7c8-7c141ef75996> | 2.953125 | 898 | Documentation | Software Dev. | 58.97525 |
The Pentagon Problem
Stephanie J. Morris
The "Pentagon Problem" begins with any pentagon. A second pentagon,
in blue, is formed by connecting the midpoints of each side of the first
pentagon. A third pentagon, in green, is constructed the same way by connecting
the midpoints of pentagon 2.
"As long as each side of the ... | <urn:uuid:550991ce-fd5e-46eb-b2e3-abd905780c8a> | 2.984375 | 2,831 | Nonfiction Writing | Science & Tech. | 54.957655 |
Paul Gilster follows up on a story I first saw at MSNBC describing how microbial life can make the iciest and most inhospitable places home. Project SLIce (Signatures of Life in Ice) studies how organic material might behave on other worlds by studying here it on Earth - and it's yielded some useful information.
An ear... | <urn:uuid:97b396cd-9814-47e2-aac1-6d6d6468e48d> | 2.75 | 209 | Personal Blog | Science & Tech. | 36.564177 |
JavaPlot is a library that can be used as a way to create gnuplot plots on the fly through pure Java commands. In contrast with other common gnuplot Java libraries, it uses Java structures to store the various plot parameters, including datasets.
Moreover, it is flexible enough to give special parameters to gnuplot, ev... | <urn:uuid:fdb7d0f4-eccc-4aeb-b138-0b98cef4cad0> | 3.109375 | 537 | Documentation | Software Dev. | 58.39493 |
When we have a situation where strings contain multiple pieces of information (for example, when reading in data from a file on a line-by-line basis), then we will need to parse (i.e., divide up) the string to extract the individual pieces.
Issues to consider when parsing a string:
We want to divide up a phrase into wo... | <urn:uuid:8d22d577-dff2-46e6-a6d2-47ae08023ce8> | 3.953125 | 726 | Documentation | Software Dev. | 61.358992 |
|Atomic mass||79.9 amu|
|Date of discovery||1826|
|Name of discoverer||Antoine J. Balard|
|Name origin||From the Greek bromos.|
|Uses||fire retardants, ingredients in bug and fungus sprays, antiknock compounds in leaded gasoline, and oil-well completion fluids. The remainder, as elemental bromine, is shipped to various... | <urn:uuid:a8c014b1-ac73-4ab7-b51c-744754c1b66f> | 3.453125 | 394 | Structured Data | Science & Tech. | 38.508945 |
Try This at Home: Fish Out of Water
A persistence of vision illusion occurs when several discrete images are quickly flashed before the eye. These individual images are melded together by the eye and the brain to form a continuous image. This is the same sort of illusion that makes movies and cartoons appear as moving ... | <urn:uuid:de84cec6-5b1b-47ba-8686-9774ee9bb608> | 3.890625 | 461 | Tutorial | Science & Tech. | 64.873191 |
<p>Humans may have changed the Earth's climate ever since they began using "slash and burn" tactics to clear forests for growing crops. But today's civilizations must deal with the industrial revolution's contribution to a warming planet and the choice of trying to reverse or balance out such climate change with new ge... | <urn:uuid:07bb9332-c819-4787-b115-1f15957b378e> | 3.796875 | 1,820 | Truncated | Science & Tech. | 53.782595 |
Can Asia’s large mammals be saved from extinction?
A. Christy Williams
28th October, 2011
The Javan rhino isn’t the only south east Asian mammal whose future looks bleak, says the WWF’s A. Christy Williams
Earlier this year, when I received the results of DNA analysis of rhino dung and tissue samples gathered from the ... | <urn:uuid:fde7e968-f7f6-4ddc-bf9f-1dc45d594abb> | 3.078125 | 1,124 | Personal Blog | Science & Tech. | 35.220125 |
Last April, at a meeting of the American physical society in Washington, D.C., representatives of three independent laboratories announced new high-precision measurements of the strength of the force of gravity. To the astonishment of the audience, the three measurements disagreed with one another by considerable amoun... | <urn:uuid:9978e826-bed5-4d0e-8fc9-dfdfbfbcc9b4> | 3.296875 | 2,013 | Nonfiction Writing | Science & Tech. | 39.604234 |
The stop() action forces the process that fires the enabled probe to stop when it next leaves the kernel, as if stopped by a proc(4) action. The prun(1) utility may be used to resume a process that has been stopped by the stop() action. The stop() action can be used to stop a process at any DTrace probe point. This act... | <urn:uuid:0a53584e-707b-408f-b1b9-1068ee5bf3fc> | 3.109375 | 143 | Documentation | Software Dev. | 55.422538 |
Species loss tied to ecosystem collapse and recovery
The world's oceans are under siege. Conservation biologists regularly note the precipitous decline of key species, such as cod, bluefin tuna, swordfish and sharks. Lose enough of these top-line predators (among other species), and the fear is that the oceanic web of ... | <urn:uuid:982a3a4a-ce33-4bcb-b5cf-227a839ed286> | 3.65625 | 1,145 | Truncated | Science & Tech. | 29.300076 |
This document describes the MD5 message-digest algorithm. The algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. It is conjectured that it is computationally infeasible to produce two messages having the same message digest, or to prod... | <urn:uuid:3ac7a38e-7b45-481c-8e2d-84d71bcfe4e1> | 2.953125 | 394 | Documentation | Software Dev. | 37.902098 |
Search Loci: Convergence:
One merit of mathematics few will deny: it says more in fewer words than any other science. The formula, e^(i*pi) = -1 expressed a world of thought, of truth, of poetry, and of the religious spirit "God eternally geometrizes."
In N. Rose, Mathematical Maxims and Minims, Raleigh NC: Rome Press ... | <urn:uuid:d4700412-3245-483d-b6e9-5da8b9f84041> | 2.96875 | 824 | Academic Writing | Science & Tech. | 38.216562 |
I concluded the discussion of shaft work and flow work. Based on the performance on the first PRS question, I seems that people have a good understanding of these concepts. I then introduced the concept of stagnation quantities (enthalpy, pressure temperature) using a second PRS question. I find it easiest to understan... | <urn:uuid:4618822a-38be-4db6-8643-bb46595d019e> | 3.03125 | 1,949 | Comment Section | Science & Tech. | 61.548047 |
Fractal patterns spotted in the quantum realm
Feb 9, 2010 7 comments
From thunderous mountain landscapes viewed from above to the erratic trajectories of Brownian motion, fractal patterns exist at many scales in nature. Physicists believe that fractals also exist in the quantum world, and now a group of researchers in ... | <urn:uuid:5d289d0f-ae0b-44a3-aff0-8e85526757a4> | 2.90625 | 614 | Truncated | Science & Tech. | 29.301465 |
Major Section: PROGRAMMING
Example: ACL2 !>(digit-to-char 8) #\8For an integer
nfrom 0 to 15,
(digit-to-char n)is the character corresponding to
nin hex notation, using uppercase letters for digits exceeding 9. If
nis in the appropriate range, that result is of course also the binary, octal, and decimal digit.
The guar... | <urn:uuid:d72dcb92-aac0-4f8e-8721-9e7a9ca9c5fe> | 2.703125 | 111 | Documentation | Software Dev. | 54.17368 |
Record Heat Wave Grips US: But Is It Climate Change?
Thousands of temperature records have been shattered in recent weeks. Awesome or awful?
- A spring heat wave like no other in U.S. and Canadian history peaked in intensity yesterday, during its tenth day. Since record keeping began in the late 1800s, there have never... | <urn:uuid:803b9c13-8547-4ff3-b546-5fd60a6b3f1d> | 2.890625 | 665 | Personal Blog | Science & Tech. | 52.144223 |
Same Wind Conditions, More Productive Turbines
Wind and solar power are the two main pillars of our clean energy future (combined with hydro where it makes sense, deep rock geothermal when costs can be brought down, wave power, maybe someday thorium, some biomass/biofuels where they make sense, etc). If we take a close... | <urn:uuid:098df9f0-4b62-4ce0-bcd9-5b1d07e7ce2e> | 3.140625 | 578 | Personal Blog | Science & Tech. | 34.614557 |
All rights reserved. Technical University of Budapest Institute of Physics, NIIF Institute.
Turning away from physics and natural sciences is both European and worldwide problem that scientists face. A possible explanation of this phenomenon may be that physics is taught in such a low number of lessons at secondary sch... | <urn:uuid:894c1363-a50e-4239-826c-18109a11b98d> | 2.75 | 140 | Knowledge Article | Science & Tech. | 25.6012 |
Guest post by David Archibald
Willis Eschenbach’s post on lab work on coral response to elevated carbon dioxide levels, and The Reef Abides, leads to a large scale, natural experiment in Papua New Guinea. There are several places at the eastern end of that country where carbon dioxide is continuously bubbling up throug... | <urn:uuid:2445f580-b3a3-4894-924b-f916d4c61dbc> | 3.125 | 2,414 | Personal Blog | Science & Tech. | 49.317795 |
|How fast is lightning? Lightning, in fact, moves not only too fast for humans to see, but so fast that humans can't even tell which direction it is moving. The above lightning stroke did not move too fast, however, for this extremely high time resolution video to resolve. Tracking at an incredible 7,207 frames per sec... | <urn:uuid:18627e30-ebb6-4b4c-834c-e126c260dcfb> | 3.140625 | 248 | Truncated | Science & Tech. | 48.919551 |
|NGC 253 is not only one of the brightest
spiral galaxies visible,
it is also one of the
Discovered in 1783 by Caroline Herschel in the constellation of Sculptor,
NGC 253 lies only about ten million light-years distant.
NGC 253 is the largest member of the
Sculptor Group of Galaxies, the nearest group to our own
Local ... | <urn:uuid:6fb7eb0e-ac90-4c1f-9ef1-3fd07fd7dd7a> | 3.578125 | 147 | Knowledge Article | Science & Tech. | 45.344521 |
There are very few countries you could compare with the heat and humidity of Australia but the situation seems to be worsening with signs that the climate is changing. A report by the Australian Bureau of Meteorology seems to confirm the concerns of many experts who have been predicting a significant increase in the te... | <urn:uuid:626c4179-d5fa-44d9-8067-92b87ff04e07> | 2.984375 | 644 | Comment Section | Science & Tech. | 43.218405 |
Global warming is said to increase the average temperature of the Earth's surface, enough to cause climatic change. The increase in greenhouse gases such as carbon dioxide is seen as the important factor. The rise in their levels in the atmosphere is caused by human activities such as deforestation, carbon dioxide comb... | <urn:uuid:0dff5bc0-4b61-40ab-b87f-58aa12458335> | 3.359375 | 138 | Truncated | Science & Tech. | 62.134811 |
Appendix A. Methods for creating current-observed, current-predicted, and future-predicted species distribution models for whitebark pine within British Columbia, Canada.
In 2006, species distribution models for whitebark pine within British Columbia were created by Tongli Wang (University of British Columbia, unpublis... | <urn:uuid:e897f354-d5da-47a5-a120-e0a58693760b> | 2.8125 | 814 | Academic Writing | Science & Tech. | 40.263789 |
- All common compounds of Group I and ammonium ions are soluble.
- All nitrates, acetates, and chlorates are soluble.
- All binary compounds of the halogens (other than F) with metals are soluble, except those of Ag, Hg(I), and Pb. Pb halides are soluble in hot water.)
- All sulfates are soluble, except those of barium... | <urn:uuid:ea5f393b-3f68-460f-b8ea-24bd45bc51ed> | 3.796875 | 316 | Tutorial | Science & Tech. | 53.205 |
Tahoe Science Projects supported by SNPLMA
Monitoring past, present, and future water quality using remote sensing (RS)
Our current view of water quality in Lake Tahoe depends heavily on data records from two points within the lake and the points where some of the streams enter the lake. These point data do not provide... | <urn:uuid:f2f358fe-2801-470d-969a-fa6406188ecd> | 3.375 | 704 | Academic Writing | Science & Tech. | 20.027803 |