The US army is currently testing an experimental system that can detect sniper fire by using a ground-based carbon dioxide laser to measure the movements of dust particles in the air caused by the shock wave of the bullet.
NASA's committment to the space shuttle and the International Space Station is sharply criticized at recent congressional budget hearings.
A report on telepresence, a technology that allows a user to remotely control a robot. It is primarily being used in dangerous situations where its not safe or practical to send a human.