Why a hydrogen economy doesn't make sense
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), ...
Technology / Energy & Green Tech
Dec 11, 2006 |
4.1 / 5 (446) |
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Study Suggests the Existence of Ferroelectric Ice in the Universe
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” ...
Nov 27, 2006 |
4.5 / 5 (85) |
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A New Approach to Superconducting Memory
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 ...
Nov 06, 2006 |
4.3 / 5 (62) |
1
Light-emitting transistor uses light to transfer an electrical signal
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 ...
Nov 01, 2006 |
4.5 / 5 (107) |
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Scientists present method for entangling macroscopic objects
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 ...
Oct 24, 2006 |
4.8 / 5 (116) |
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Particle decay may point to New Physics
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, ...
Oct 11, 2006 |
4.7 / 5 (144) |
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Single-particle interference observed for macroscopic objects
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, ...
Sep 28, 2006 |
4.7 / 5 (144) |
1
A Printer that Delivers 1,000 Pages a Minute?
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.
Sep 21, 2006 |
3.9 / 5 (157) |
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A 'prisoner's dilemma' for real-life situations
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 ...
Sep 20, 2006 |
4.1 / 5 (50) |
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New theory (and old equations) may explain causes of ship-sinking freak waves
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 ...
Sep 13, 2006 |
4.5 / 5 (156) |
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Dark Energy and Dark Matter – The Results of Flawed Physics?
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 ...
Sep 11, 2006 |
4.6 / 5 (245) |
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LCDs get brighter with nano polarization recycler
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 ...
Sep 06, 2006 |
4.2 / 5 (114) |
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Sterile neutrinos and the search for warm dark matter
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 ...
Sep 01, 2006 |
4.3 / 5 (54) |
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Snakes’ heat vision enables accurate attacks on prey
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 ...
Aug 31, 2006 |
4.3 / 5 (70) |
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Flies provide aerodynamic model for tiny flying vehicles
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 ...
Aug 28, 2006 |
4 / 5 (57) |
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