Shape-changing liquid metal antenna could lead to responsive electronic devices
(PhysOrg.com) -- Researchers have fabricated a fluidic antenna that can change its shape, and therefore the frequency at which it resonates, in response to pressure in a controlled and predictable manner. ...
Jul 21, 2011 |
4.4 / 5 (13) |
3
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Cooperation vs. Competition: Greed is good -- but only a moderate amount
(PhysOrg.com) -- Relationships between cooperation, competition, and society have long been pondered by psychologists, sociologists, anthropologists, economists, philosophers, and mathematicians. While (as ...
Other Sciences / Social Sciences
Jul 21, 2011 |
3.9 / 5 (8) |
19
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Scientists discover new water waves
(PhysOrg.com) -- By precisely shaking a container of shallow water, researchers have observed wave behavior that has never been seen before. In a new study, Jean Rajchenbach, Alphonse Leroux, and Didier Clamond ...
Jul 19, 2011 |
4.4 / 5 (20) |
26
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Physicists take steps toward delivering quantum information to the home
(PhysOrg.com) -- Today, fiber optics technology transports information in the form of classical data to homes and businesses. But researchers are currently working on ways to combine quantum data with the ...
Jul 18, 2011 |
4.7 / 5 (50) |
4
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Rechargeable lithium-sulfur batteries get a boost from graphene
(PhysOrg.com) -- By wrapping tiny sulfur particles in graphene sheets, researchers from Stanford University have synthesized a promising cathode material for rechargeable lithium-sulfur batteries that could ...
Nanotechnology / Nanomaterials
Jul 13, 2011 |
4.2 / 5 (22) |
53
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RNA reactor could have served as a precursor of life
(PhysOrg.com) -- Nobody knows quite how life originated on Earth, but most scientists agree that living cells did not abruptly appear from nonliving cells in a single step. Instead, there were probably a series ...
Jul 11, 2011 |
4.7 / 5 (27) |
103
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Biomolecular computer can autonomously sense multiple signs of disease
(PhysOrg.com) -- In the future, nano-sized computers implanted in the human body could autonomously scan for disease indicators, diagnose diseases, and control the release of the appropriate drugs. Although ...
Nanotechnology / Bio & Medicine
Jul 06, 2011 |
3.6 / 5 (8) |
5
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Graphene quantum dots could lead to low-cost solar cells and OLEDs
(PhysOrg.com) -- Fabricating photovoltaic devices – those that convert sunlight into electricity – out of organic materials has several advantages over using non-organic materials, such as flexibility ...
Nanotechnology / Nanomaterials
Jul 05, 2011 |
4.2 / 5 (10) |
4
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Vertical cavity quantum switch could lead us away from electronics-based computing
(PhysOrg.com) -- Right now, many researchers around the world are working on ways to move away from electronics-dominated computing systems. There are a number of ideas about how this can be accomplished. "We are trying to ...
Jun 30, 2011 |
4.4 / 5 (27) |
5
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Transporting spatially entangled photons through an optical fiber
(PhysOrg.com) -- "Spatially entangled photons is a hot topic in quantum information science, and optical fibers are the cornerstone of our communication society," Wolfgang Loffler tells PhysOrg.com. "So fa ...
Jun 30, 2011 |
3.9 / 5 (8) |
1
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Physicists seek to quantify macroscopic quantum states
(PhysOrg.com) -- "Scientists have been interested in generating and observing macroscopic quantum superpositions in order to test quantum mechanics at the macroscopic scale," physicist Hyunseok Jeong of Seoul National University ...
Jun 29, 2011 |
4.3 / 5 (11) |
10
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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 |
4.2 / 5 (12) |
38
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Study finds single photons cannot exceed the speed of light
(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...
Jun 24, 2011 |
4.5 / 5 (28) |
91
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All-optical quantum computation, step 1: A controlled-NOT photonic gate
(PhysOrg.com) -- The often counterintuitive quantum world of superposition, entanglement, and tunneling can greatly enhance applications as diverse as communication, information processing, and precision measurement. ...
Jun 24, 2011 |
4 / 5 (6) |
0
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Learning more about phase transitions in small systems
(PhysOrg.com) -- "People want to understand phase transitions in a finite system by quantum simulation," Luming Duan tells PhysOrg.com. Duan is a professor at the University of Michigan, located in Ann Arbor. "Being able t ...
Jun 23, 2011 |
5 / 5 (3) |
1
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