Archive: 09/30/2004

Carbon Nanotubes to Improve Fuel Cells

The National Institute of Standards and Technology (NIST) awarded Carbon Nanotechnologies, Inc., Motorola, Inc. and Johnson Matthey Fuel Cells, Inc. a $3.6 million grant to develop "free standing" carbon nan ...

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Evidence shaky for Sun's major role in past climate changes

Computer models of Earth's climate have consistently linked long-term, high-magnitude variations in solar output to past climate changes. Now a closer look at earlier studies of the Sun casts doubt on evidence of such cycles of brightness, their inten ...

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Novel Technique for Imaging Distant Planets

A NASA institute has selected a new University of Colorado at Boulder proposal for further study that describes how existing technologies can be used to study planets around distant stars with the help of an orbiting "starsha ...

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'Dead zone' area shrinking

A team of Texas A&M University and Louisiana State University scientists conducted a research cruise in late August to the "dead zone" - a region in the northern Gulf of Mexico that suffers from low oxygen and results in hu ...

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Study Suggests Spaceflight May Decrease Human Immunity

A NASA-funded study has found the human body's ability to fight off disease may be decreased by spaceflight. The effect may even linger after an astronaut's return to Earth following long flights. In addition to the conditi ...

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NASA Salutes SpaceShipOne Team

NASA Administrator Sean O'Keefe congratulated the SpaceShipOne team on the second successful flight of a human on a private spacecraft. Administrator O'Keefe was in the Mojave Desert, Calif., today to watch SpaceShip ...

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Towards a new, more acceptable face for biometric security

Biometric security implies different things to different people. For some, applications that identify individuals based on their physical and behavioural characteristics will lead to a safer and more secure world. For others, ...

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A mysterious change in the wave properties of electrons

The electrons of a perfect metallic surface move like free waves in a plane. Nevertheless, if atomic barriers are inserted, this may restrict their movement in one dimension, forming stationary waves such as those on the ...

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Stanford's Technology Cools Athletes, Soldiers Inside Out

When people exercise, their muscles consume energy and generate heat as a byproduct. When enough heat accumulates internally, it can limit exercise performance. Two Stanford biologists have developed a method for cooling ...

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