New study raises questions about sustainability of metal resources
Jan 17, 2006 |
4.2 / 5 (35) |
0
Researchers studying supplies of copper, zinc and other metals have determined that these finite resources, even if recycled, may not meet the needs of the global population forever. According to the study, ...
New research suggests the possibility of quantum dot magnetic logic
Jan 17, 2006 |
2.3 / 5 (56) |
0
A paper published by a team of University of Notre Dame researchers in the January 13 edition of the journal Science reveals the demonstration of logic in a magnetic system, thereby opening the door to all-magnetic inform ...
'Ferroelectric' Material Reveals Unexpected, Intriguing Behavior
Physics /
Jan 17, 2006 |
4.4 / 5 (22) |
0
In electronics-based technologies, metal-oxide compounds known as "relaxor ferroelectrics" often make up key circuit components due to their unique electrical behavior. They are good insulators and can sustain ...
Researchers seek ways to make lithium-ion batteries work longer, safer
Jan 17, 2006 |
4.1 / 5 (14) |
0
Sandia National Laboratories' Power Sources Technology Group is researching ways to make lithium-ion batteries work longer and safer. The research could lead to these batteries being used in new hybrid electric ...
Phase change in fluids finally simulated after decades of effort
Physics /
Jan 17, 2006 |
4.5 / 5 (11) |
0
Everyone knows what happens to water when it boils--everyone, that is, except computers. Modeling the transformation process of matter moving from one phase to another, such as from liquid to gas, has been ...
British debate use of nuclear power
Jan 17, 2006 |
3.4 / 5 (10) |
0
A disagreement has arisen among British scientists concerning the use of additional nuclear power plants to combat global warming.
Alaskan volcano sends ash plume high
Jan 17, 2006 |
4.4 / 5 (7) |
0
Alaska's Augustine Volcano erupted again Tuesday for about five minutes, sending a plume of ash nine miles into the air.
Astronaut Mae Jemison moves to new career
Jan 17, 2006 |
2.7 / 5 (11) |
0
In 1992 Mae Jemison gained fame as the first black female astronaut to go into space, flying on the shuttle Endeavor.
NASA Pluto probe launch postponed (Update 2)
Jan 17, 2006 |
4.3 / 5 (6) |
0
NASA postponed Tuesday the launch of the world's first probe to the icy, never-explored planet of Pluto after excessively strong winds put the liftoff at risk.
Study Finds Evolution Doesn't Always Favor Bigger Animals
Jan 17, 2006 |
4.6 / 5 (5) |
0
Biologists have long believed that bigger is better when it comes to body size, since many lineages of animals, from horses to dinosaurs, have evolved into larger species over time. But a study published this ...
Study: Comedy films good for your heart
Jan 17, 2006 |
4.4 / 5 (5) |
0
A University of Maryland study suggests watching comedy films boosts blood flow to the heart.
How nerve cells stay in shape
Jan 17, 2006 |
3.7 / 5 (6) |
0
Nerve cells store and transmit information via special contact sites called synapses. Synapses also play a role in determining what we remember and what we forget. When we learn, both the structure and the ...
Engineer who has name on moon dies
Jan 17, 2006 |
5 / 5 (3) |
0
Thomas Shanahan Jr., whose name is engraved on a plaque on the moon, died Jan. 12 at Oak Lawn, Ill., near Chicago, from lung cancer at the age of 67.
Researchers develop portable 'Vein Finder' for faster, more accurate injections
Jan 17, 2006 |
3.8 / 5 (4) |
0
A team of Georgia Institute of Technology researchers is developing an inexpensive, handheld device that could help medical personnel provide faster and more accurate injections. The devices uses Doppler ultrasound ...
Simulation Program Predicts Resistivity in Nanodevices
Jan 17, 2006 |
5 / 5 (3) |
0
As nanoscale circuits continue to shrink, electrical resistivity increases in the wiring and limits the maximum circuit speed. A new simulation program developed by researchers at the National Institute of Standards and Technology ...
