 Why a hydrogen economy doesn't make sense December 11, 2006 | User rating: 4.2 / 5 after 378 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), ... | |
 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 ... | |
 The Physics of Friendship March 10, 2006 | User rating: 4.6 / 5 after 152 vote(s)
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By comparing people to mobile particles randomly bouncing off each other, scientists have developed a new model for social networks. The model fits with empirical data to naturally reproduce the community ... | |
 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. | |
 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 "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 ... | |
 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 ... | |
 Physicists Predict Stock Market Crashes February 24, 2006 | User rating: 4 / 5 after 217 vote(s)
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On Monday, October 19, 1987 – infamously known as “black Monday” – the Dow fell 508 points, or 22.9%, marking the largest crash in history. Using an analytical approach similar to the one applied to explore ... | |
.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, ... | |
 Study Suggests the Existence of Ferroelectric Ice in the Universe November 27, 2006 | User rating: 4.5 / 5 after 83 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” ... | |
 Nano-scale fuel cells may be closer than we think, thanks to an inexpensive new manufacturing method March 12, 2006 | User rating: 4.3 / 5 after 125 vote(s)
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We live in a world of hand-held devices: iPods, cell phones, PDAs, pagers... the list of essential personal technology keeps expanding, and the natural response is consolidation. It’s rare these days to see ... | |
 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 ... | |
 Scientists turn dents into smart bumps August 23, 2006 | User rating: 4.4 / 5 after 50 vote(s)
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Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect ... | |
 Japanese Device Uses Laser Plasma to Display 3D Images in the Air February 27, 2006 | User rating: 4.3 / 5 after 431 vote(s)
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A collaboration of the Japanese National Institute of Advanced Industrial Science and Technology (AIST), Keio University and Burton Inc. has produced a device to display "real 3D images" consisting of dot arrays ... | |
 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 ... | |
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