Science News w/ Video
Irish mathematicians explain why Guinness bubbles sink (w/ video)
(Phys.org) -- Why do the bubbles in a glass of stout beer such as Guinness sink while the beer is settling, even though the bubbles are lighter than the surrounding liquid? That’s been a puzzling question ...
May 29, 2012 |
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The shape of things, illuminated: Metamaterials, surface topology and light-matter interactions
(Phys.org) -- Finding new connections between different disciplines leads to new – and sometimes useful – ideas. That’s exactly what happened when scientists in the Department of Physics, Queens College, ...
Apr 28, 2012 |
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Particles magnetically 'click' to form superstructures
(Phys.org) -- Geomag, the popular children's toy, contains small metal spheres that can be magnetically connected with a click to build a variety of towers, bridges, and sculptures. In a new study, scientists ...
Apr 10, 2012 |
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Lenses can bend light and sound in almost any direction
(PhysOrg.com) -- When an optical fiber is bent by 90° or more, the light begins to leak away, posing a problem for fiber optics communications. But by using special lenses that can bend light by not only ...
Apr 02, 2012 |
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The hidden nanoworld of ice crystals: Revealing the dynamic behavior of quasi-liquid layers
(PhysOrg.com) -- A wide range of phenomena depend on ice – specifically, phase transitions during ice crystal surface melting. In this transition, which occurs near the melting point, the ice surface ...
Jan 30, 2012 |
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Bubble-propelled microrockets could operate in the human stomach
(PhysOrg.com) -- Recently, researchers have been designing a wide variety of self-propelled micromotors, many of which operate using an oxygen-bubble propulsion mechanism that requires a high concentration ...
Jan 18, 2012 |
4.9 / 5 (12) |
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The future cometh: Science, technology and humanity at Singularity Summit 2011 (Part II)
(PhysOrg.com) -- In its essence, technology can be seen as our perpetually evolving attempt to extend our sensorimotor cortex into physical reality: From the earliest spears and boomerangs augmenting our arms, horses and ...
Dec 02, 2011 |
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The future cometh: Science, technology and humanity at Singularity Summit 2011 (Part I)
(PhysOrg.com) -- In its essence, technology can be seen as our perpetually evolving attempt to extend our sensorimotor cortex into physical reality: From the earliest spears and boomerangs augmenting our arms, ...
Dec 01, 2011 |
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Tall water waves behave unexpectedly
(PhysOrg.com) -- In investigating the behavior of large-amplitude standing water waves, mathematician Jon Wilkening of the University of California, Berkeley, has discovered that the waves’ behavior cannot ...
Nov 15, 2011 |
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Tiny battery is also a nanomotor
(PhysOrg.com) -- Measuring just 3.6 micrometers long, one of the smallest batteries ever made won’t be powering our electronic devices anytime soon, but it does serve as a self-powered nanomotor that ...
Oct 19, 2011 |
4.4 / 5 (7) |
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Flying microrobot takes steps toward full autonomy (w/ video)
(PhysOrg.com) -- With the goal of designing an insect-inspired flying microrobot capable of sustained autonomous flight, researchers have demonstrated for the first time a microrobot that achieves vertical ...
Sep 20, 2011 |
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Millions of molecules screened in search for the ideal organic solar cell material
(PhysOrg.com) -- Currently, the cost of electricity from commercial silicon solar cells is about 10 times higher than the cost of utility-scale electricity. In order to make solar cells cost-competitive with ...
Sep 12, 2011 |
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Transparent batteries: seeing straight through to the future? (w/ video)
(PhysOrg.com) -- Stanford researchers have invented a transparent lithium-ion battery that is also highly flexible. It is comparable in cost to regular batteries on the market today, with great potential for ...
Jul 25, 2011 |
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Weighted ping-pong balls can fall endlessly through a granular medium (w/ video)
(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting ...
Jun 27, 2011 |
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CERN physicists trap antihydrogen atoms for more than 16 minutes (w/ video)
Trapping antihydrogen atoms at the European Organization for Nuclear Research (CERN) has become so routine that physicists are confident that they can soon begin experiments on this rare antimatter equivalent ...
Jun 05, 2011 |
4.8 / 5 (35) |
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