02/02/2006

How to find the orbital needle in the celestial haystack

On 2 February experts from across the world meet at ESA to discuss how to best calculate spacecraft orbits. Even though the space age is now 49 years old, determining the optimal trajectories for spacecraft is a far from ...

'Deep Impact' team reports first evidence of cometary ice

Comet Tempel 1, which created a flamboyant Fourth of July fireworks display in space last year, is covered with a small amount of water ice. These results, reported by members of NASA's Deep Impact team in an advanced online ...

Assessing safety, health risks of nanomaterials

Shades of science fiction surround the potential of the booming nanotechnology industry - like Michael Crichton's novel "Prey", which features tiny nano-robots threatening to take over the world. Fiction of course, but nanotechnology ...

Neutron Star Swaps Lead to Short Gamma-Ray Bursts

Gamma-ray bursts are the most powerful explosions in the universe, emitting huge amounts of high-energy radiation. For decades their origin was a mystery. Scientists now believe they understand the processes that produce ...

Public nervousness may be stress disorder

Research by a Japanese pharmaceutical firm suggests 30 percent of people who become nervous in public settings might be suffering from a stress disorder.

Millicom buys out 3 Africa wireless firms

Millicom International Cellular has taken 100 percent ownership of a trio of African wireless companies after buying out their minority partners.

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