The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades to replicate these ...
Condensed Matter
Feb 8, 2013
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An international collaboration has provided the first insights into a new type of silk produced by the very unusual Australian basket-web spider, which uses it to build a lobster pot web that protects its eggs and trap prey.
Materials Science
Oct 19, 2020
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116
From a seasonal cold to a stomach bug, nobody likes catching a virus—and epidemics can be devastating. We need safe, sustainable antiviral options to treat the outbreaks of the future. Scientists in Finland have now shown ...
Cell & Microbiology
Nov 8, 2023
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162
Scientists have taken inspiration from one of the oldest natural materials to exploit the extraordinary qualities of graphene, a material set to revolutionise fields from computers and batteries to composite materials.
Nanomaterials
Dec 4, 2012
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(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in turn coalesce ...
Astronomy
Mar 26, 2012
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A new ultrastable adhesive identified through ESA research could be a key to assembling rock-solid structures for space, including large telescopes, instruments and antennas to peer deeper into the cosmos or sharpen views ...
Space Exploration
Oct 13, 2014
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(Phys.org) —Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have once again demonstrated the incredible capabilities of metamaterials – artificial nanoconstructs ...
Quantum Physics
Mar 21, 2013
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(Phys.org)—The structure of graphite oxide surprisingly expands when cooled in methanol or ethanol. Also, graphite oxide selectively absorbs methanol from water-methanol mixtures. Two new studies by physicists at Umeå ...
Nanomaterials
Feb 6, 2013
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(PhysOrg.com) -- The tooth enamel of lungfish and garfish could provide the basis for new material to make lighter more efficient aircraft or vehicles, says a Queensland University of Technology (QUT) physics researcher.
Materials Science
Nov 29, 2010
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Material scientists at ETH-Zürich are working on composite materials that mimic the structure of seashells. Such complex structures are produced using tiny magnetic particles which guide the composites' stiffer elements ...
Nanomaterials
Jan 13, 2012
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