The heat is on – As theorists cross swords over how high-temperature superconductors work,some researchers think the answer may be under the combatants' noses. MarkBuchanan and Bennett Daviss investigateFeatures
Small, smart and adaptable - Staffed by squads of fist-sized robots, tomorrow's high-precision assembly lines will be put together at a few hours' notice on a desk-sized factory floor. Bennett Daviss reportsFeatures
Shot in the dark - The US Army is developing a rifle that does a whole lot more than shoot bullets, reports Bennett Daviss. It's a portable spy machineFeatures
Snap happy under the sea - Amazingly detailed images of the seafloor could soon help clean up radioactive waste dumps under water or find the right site for telecoms cables. Bennett Daviss takes a look at a new kind of sonarFeatures