Archive: 07/8/2005

Electricity in a thermos

Device generates electricity using bacteria, Double threat could power 900 American homes An environmental engineer at Washington University in St. Louis has created a device similar to a hydrogen fuel cel ...

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Shaking Reduces Friction

Lateral vibrations can control friction at the nanoscale, researchers reported in the 1 July 2005 issue of Physical Review Letters.

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A New Class of Time Machine

A physicist at the Israel Institute of Technology in Haifa has proposed a new class of time machines that seems to avoid some of the difficulties inherent in other theoretical time machines.

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Deep-sea jelly uses glowing red lures to catch fish

As successful fishermen know, if you want to catch fish, you have to use the right bait or lure. This is true even in the deep sea, where scientists recently discovered a new species of jelly that attracts ...

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Scientists dispel the mystery surrounding Stradivarius violins

Antonius Stradivarius violins are shrouded in more myths than any other instruments in world history. At Mid Sweden University, researchers are using modern technology to uncover his secrets. At the international acoustics ...

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Beware the Mars Hoax

by Dr. Tony Phillips Earth and Mars are converging for a close encounter--but not as close as some people think There's a rumor going around. You might have heard it at a 4th of July BBQ or family get-together. More likely ...

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NASA Satellites Measure and Monitor Sea Level

For the first time, researchers have the tools and expertise to understand the rate at which sea level is changing and the mechanisms that drive that change. Sea levels rise and fall as oceans warm and coo ...

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The Barnard's Star Blunder

These days, it is generally accepted within the scientific community that there are planets orbiting nearby stars. In the past decade, more than 130 such extrasolar planets have been discovered. But the fir ...

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Sun-Powered Aircraft To Support Sustainable Development

Swiss adventurer Bertrand Piccard is constructing a solar-powered plane to fly around the world. His aim is to support sustainable development by demonstrating what renewable energy and new technologies can ...

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