TechnologyUnderwater drones may make hiding a nuclear missile sub harder Will a rise in anti-submarine drones mean it's game over for Earth’s best hiding place for a nuclear deterrent as critics claim, wonders David HamblingComment
TechnologySmart clothes adapt so you are always the right temperature Researchers are developing clothes that can change their thermal properties to adapt to the environment and wearer's body, so you're never too hot or cold 51¶¯Âþ