In one of the latest studies on autonomous robots, scientists sat back and watched as their robot created itself out of smaller robotic modules. The result, called “swarm-bot,” comes in many varieties, ...
Feb 22, 2007
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Inspired by the way that nature has evolved the eyes of small insects, scientists have fabricated artificial compound eyes that could make camera lenses tiny enough to fit on credit cards or stickers.
May 11, 2006
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Surface plasmon resonance is used for a variety of purposes including detecting protein or DNA and enhancing the sensitivity of spectroscopy. However, surface plasmon resonance requires a metal. Gold and silver are among ...
May 09, 2007
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On a large scale, the Milky Way is considered to be a vast cold region punctured with isolated hot clouds and star clusters. While much of this space is cold and empty, researchers have recently discovered ...
Feb 07, 2008
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Economists who yearn for the redistribution of wealth in an ideal society are up against history. According to a recent study, the uneven distribution of wealth in a society appears to be a universal law that holds true for ...
Apr 06, 2007
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For the first time, scientists have directly imaged carbon nanotubes entering and migrating within human cells, determining as a result that whether the nanotubes cause cell death depends on the dose and exposure ...
Nov 15, 2007
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Scientists have recently taken an important step toward the development of “see-through” flexible electronic displays by fabricating fully transparent, high-speed nanowire transistors. This piece of circuitry, ...
Jul 27, 2007
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Anthropic reasoning is under debate in the scientific community, and is considered by some as a cop-out. It has now lost further ground as physicists show that anthropic conclusions mostly reflect our biases ...
Feb 08, 2008
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When a thriving civilization suddenly collapses, it’s often a mystery – and an ominous one, at that. For Easter Island circa 1000-1400 AD, experts believe it was a case of humans overexploiting their natural ...
Feb 11, 2008
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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” ...
Nov 27, 2006
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The field of electric motors has recently entered a new era. The electric motors that you see today in everything from washing machines, toys, and fans use the same basic principles as motors from 50 years ...
May 24, 2007
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An action doesn’t always result in a reaction.
Dec 04, 2007
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“Ever since Stephen Hawking showed that black holes evaporate,” says Seth Lloyd, an MIT physicist, “people have wondered about the stuff that comes out of them. Is it just garbage, or is it something ...
Feb 25, 2006
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Finding a way to build a quantum computer that works more efficiently than a classical computer has been the holy grail of quantum information processing for more than a decade. “There is quite a strong ...
Apr 18, 2007
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In approximately 600 B.C., the Greek philosopher Thales of Miletos discovered that rubbing certain materials together, such as amber and wool, can cause both to become electrically charged, one positive and one negative. ...
Aug 28, 2007
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