 Why a hydrogen economy doesn't make sense December 11, 2006 | User rating: 4.2 / 5 after 379 vote(s)
| User comments: 3
In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ... | |
 Study Suggests the Existence of Ferroelectric Ice in the Universe November 27, 2006 | User rating: 4.5 / 5 after 84 vote(s)
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Various forms of ice have been found in many locations within the frigid reaches of our galaxy, from interstellar clouds to comets, moons, and planets. But a particularly intriguing and rare type, “ferroelectric” ... | |
 A New Approach to Superconducting Memory November 06, 2006 | User rating: 4.3 / 5 after 60 vote(s)
| User comments: 1
Despite the potential of superconductor-based electronics to significantly impact the electronics industry – for example, a superconducting computer chip is a thousand times faster than the one within the laptop ... | |
 Light-emitting transistor uses light to transfer an electrical signal November 01, 2006 | User rating: 4.5 / 5 after 105 vote(s)
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In one of the early discoveries of the current "silicon electrophotonics era," scientists from Hitachi, Ltd. in Tokyo have built a light-emitting transistor (LET) that transfers, detects and controls an electrical ... | |
 Scientists present method for entangling macroscopic objects October 24, 2006 | User rating: 4.7 / 5 after 94 vote(s)
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Building upon recent studies on optomechanical entanglement with lasers and mirrors, a group of scientists has developed a theoretical model using entanglement swapping in order to entangle two micromechanical ... | |
 Particle decay may point to New Physics October 11, 2006 | User rating: 4.7 / 5 after 141 vote(s)
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A tiny flaw has caught the attention of physicists: the Standard Model (SM) predicts that the B meson mixing phase should be measured at nearly the same result using two different classes of decay modes. However, ... | |
.jpg "Single-particle interference observed for macroscopic objects") Single-particle interference observed for macroscopic objects September 28, 2006 | User rating: 4.8 / 5 after 122 vote(s)
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With a variation on the famous double-slit experiment of quantum mechanics, scientists Yves Couder and Emmanuel Fort from the University of Paris 7 are rewriting the textbooks. Their accomplishment, however, ... | |
 A Printer that Delivers 1,000 Pages a Minute? September 21, 2006 | User rating: 3.9 / 5 after 153 vote(s)
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Two researchers from The College of Judea and Samaria in Israel have designed an ink-jet printer head that could lead to printers capable of chugging out 1,000 pages per minute – or even more. | |
 A 'prisoner's dilemma' for real-life situations September 20, 2006 | User rating: 4.1 / 5 after 48 vote(s)
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What's best for the individual and what's best for society are often not the same thing--this predicament is the premise for the famous "prisoner's dilemma" game. However, healthy societies depend on individuals ... | |
.jpg "New theory (and old equations) may explain causes of ship-sinking freak waves") New theory (and old equations) may explain causes of ship-sinking freak waves September 13, 2006 | User rating: 4.5 / 5 after 152 vote(s)
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On a stormy April day in 1995, the RMS Queen Elizabeth 2 was sailing in the North Atlantic when the ocean liner dipped into a "hole in the sea." Out of the darkness, a towering 95-foot wave threatened to crash ... | |
 Dark Energy and Dark Matter – The Results of Flawed Physics? September 11, 2006 | User rating: 4.6 / 5 after 228 vote(s)
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There are few scientific concepts as intriguing and mysterious as dark energy and dark matter, said to make up as much as 95 percent of all the energy and matter in the universe. And even though scientists ... | |
.jpg "LCDs get brighter with nano polarization recycler") LCDs get brighter with nano polarization recycler September 06, 2006 | User rating: 4.2 / 5 after 114 vote(s)
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LCDs (liquid crystal displays) provide a popular method for lighting screens on everything from computers and TVs to watches, clocks, cell phones and more. However, as scientists Sang Hoon Kim, Joo-Do Park ... | |
 Sterile neutrinos and the search for warm dark matter September 01, 2006 | User rating: 4.3 / 5 after 54 vote(s)
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Matteo Viel, a research fellow at the Institute of Astronomy in Cambridge, England, believes that particle physics and cosmology could be more compatible as scientists work toward understanding the origins ... | |
 Snakes’ heat vision enables accurate attacks on prey August 31, 2006 | User rating: 4.5 / 5 after 49 vote(s)
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Call it a sixth sense, or evolution’s gift to these cold-blooded reptiles: some snakes have infrared vision. Also called “heat vision,” the infrared rays, which have longer wavelengths than those of visible ... | |
 Flies provide aerodynamic model for tiny flying vehicles August 28, 2006 | User rating: 4.1 / 5 after 56 vote(s)
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When it comes to flying, the fly reigns supreme. This two-winged insect’s sophisticated flying behavior enables it to make sharp turns, aim at targets and hover – traits which make the insect an ideal prototype ... | |
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