Microtechnology: From Desert Wars To The Planet Mars Small Times

Some day soon, members of the American armed forces who have to fight in a sweltering desert climate may wear suits fitted with tiny, lightweight heat pumps to keep them cool. In the future, microreactors the size of a cigarette lighter might run a laptop computer for weeks, instead of using batteries that die in hours. Minuscule medical devices would manufacture chemicals such as insulin right inside the human body. And humans may travel to Mars.