Gelatin sets by forming a solid matrix full of random, liquid-filled pores—much like a saturated sponge. It turns out that a similar process also happens in some metallic glasses, substances whose molecular behavior has ...
Condensed Matter
Apr 3, 2013
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When a current passes between two electrodes—one thinner than the other—it creates a wind in the air between. If enough voltage is applied, the resulting wind can produce a thrust without the help of motors or fuel.
Engineering
Apr 3, 2013
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(Phys.org) —A carbon price of between $50 and $100 per tonne of carbon dioxide would make coal-fired and gas-fired power less economical than renewable electricity, a UNSW study shows.
Energy & Green Tech
Apr 3, 2013
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(Phys.org) —Professor Yaojun Li, of the Institute for Social Change, University of Manchester, analysed survey data on over 100,000 adults in England and Wales, over ten years to 2011.
Social Sciences
Apr 3, 2013
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In the battle against thrips, Cornell breeder Martha Mutschler-Chu has developed a new weapon: a tomato that packs a powerful one-two punch to deter the pests and counter the killer viruses they transmit.
Biotechnology
Apr 3, 2013
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(Phys.org) —Climate researchers Pushker Kharecha and James Hansen (a NASA scientist and environmental activist) have published a paper in Environmental Science & Technology, in which they claim that using nuclear energy ...
(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is that the two types ...
Astronomy
Apr 3, 2013
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(Phys.org) —IRAS 16293-2922B is a very young star – a protostar - perhaps only about ten thousand years old. Slightly smaller in mass than our Sun, it is still deeply embedded in its surrounding natal material, and apparently ...
Astronomy
Apr 3, 2013
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New Professor of Radio Science and Wireless Systems Engineering at the University of Huddersfield heads a £670,000 project to find a more effective and efficient means of fault detection - meaning few blackouts and better ...
Engineering
Apr 3, 2013
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(Phys.org) —The Sun glows with a surface temperature of about 5500 degrees Celsius. Meanwhile its hot outer layer (the corona) has a temperature of over a million degrees, and ejects a wind of charged particles at a rate ...
Space Exploration
Apr 3, 2013
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