Within a month of their launch, two Japanese spy satellites gathering information on North Korean nuclear weapons have themselves been spotted, photographed and had their estimated orbits circulated on the internet.
The first supercomputers to approach and even surpass the processing power of the human brain are to be built by IBM, under a contract announced by the US Government.
Scientists suspect that the gas pumped into the Moscow theatre was designed by Soviet military technicians during the Cold War. It would have been intended to penetrate nuclear bunkers and battlefield command centres, but has been refined since then for use in crowd control and sieges.
The US Congress has been warned that President Bush?s proposed attack on Iraq could escalate into a nuclear conflict.
A defector with first-hand knowledge of more than 30 secret biological weapons laboratories inside Iraq has played a key role in hardening Washington?s policy towards Iraq.