News tagged with point
From yeast, researchers learn how populations collapse
In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...
Jun 01, 2012 |
4.4 / 5 (7) |
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New eyeglasses allow you to adjust prescription yourself
(Phys.org) -- A new kind of eyeglasses is now available from a British company that allows the wearer to adjust the prescription anytime, anywhere, via small thumb-dials on the sides. Called, Eyejusters, the ...
Technology / Hi Tech & Innovation
May 31, 2012 |
4.5 / 5 (8) |
2
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NIF facility fires record laser shot into target chamber
(PhysOrg.com) -- The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in California has set a new record for a laser shot. This past week, its combined 192 lasers fired a single 1.875-megajoule ...
Mar 21, 2012 |
4.8 / 5 (28) |
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Research team finds way to simulate graphene Dirac points
(PhysOrg.com) -- As researchers continue to study graphene and its unique attributes, they find themselves fixated on different areas of its properties. One of those properties is that because of its lattice ...
Mar 15, 2012 |
4.4 / 5 (8) |
0
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Microscopy reveals 'atomic antenna' behavior in graphene
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.
Nanotechnology / Nanomaterials
Jan 31, 2012 |
5 / 5 (11) |
1
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Citibank turns rewards into 'social currency'
Credit card rewards are the new social currency. Citibank customers can now use Facebook to pool their rewards points online.
Jan 03, 2012 |
1 / 5 (1) |
1
Football team success throws fall grades of non-athletic college males for a loss
(PhysOrg.com) -- College football bowl season is in prime time, and a new report card is in: Male grades drop relative to female grades when their college football team performs well during the regular season.
Other Sciences / Economics & Business
Dec 30, 2011 |
5 / 5 (1) |
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Imperfections may improve graphene sensors
Although they found that graphene makes very good chemical sensors, researchers at the University of Illinois at Urbana-Champaign have discovered an unexpected "twist"—that the sensors are better when the graphene is ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
5 / 5 (1) |
0
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Mathematics: Mapping a fixed point
(PhysOrg.com) -- For fifty years, mathematicians have grappled with a so-called “fixed point” theorem. An EPFL-based team has now found an elegant, one-page solution that opens up new perspectives ...
Nov 23, 2011 |
4.7 / 5 (19) |
8
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Weird world of water gets a little weirder with a new anomaly
Strange, stranger, strangest! To the weird nature of one of the simplest chemical compounds -- the stuff so familiar that even non-scientists know its chemical formula -- add another odd twist. Scientists ...
Nov 09, 2011 |
4.8 / 5 (16) |
8
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Forest and savanna can switch quickly
(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes ...
Oct 14, 2011 |
4.4 / 5 (8) |
1
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Engineers 'cook' promising new heat-harvesting nanomaterials in microwave oven
(PhysOrg.com) -- Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a power plant. Engineering researchers at Rensselaer ...
Nanotechnology / Nanomaterials
Sep 29, 2011 |
4.8 / 5 (5) |
5
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NASA plans to visit a near-Earth asteroid
In a few years a NASA spacecraft will seek the building blocks of life in a shovelful of asteroid dirt. The OSIRIS-REx spacecraft, targeted for launch in September 2016, will intercept asteroid 1999 RQ36, orbit it for a year, ...
Space & Earth / Space Exploration
Aug 17, 2011 |
5 / 5 (4) |
0
Droplets levitating above a liquid surface show unusual motion (w/ video)
When drops of water are sprinkled on an extremely hot skillet, the drops can slide around the skillet for a full minute or so before evaporating. The phenomenon is called the Leidenfrost effect, which says ...
Aug 08, 2011 |
4.5 / 5 (11) |
8
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Scientists learn startling new truth about sugar
Flying in the face of years of scientific belief, University of Illinois researchers have demonstrated that sugar doesn't melt, it decomposes.
Jul 25, 2011 |
4.4 / 5 (11) |
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