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 ...

Jul 08, 2005 3.9 / 5 (10) 0

Shaking Reduces Friction

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

Jul 08, 2005 2 / 5 (2) 0

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.

Jul 08, 2005 3.6 / 5 (5) 0

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 ...

Jul 08, 2005 4.8 / 5 (4) 0

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 ...

Jul 08, 2005 4.5 / 5 (2) 0