It doesn’t take a genius to figure out that driving while under the influence of alcohol is a bad idea. Of course, when under the influence of alcohol the tendency is to think you are a genius (also: good looking, charming, interesting, a qualified referee, good at billiards). So a new technology incubating with the backing of the U.S.
Breathalyzers aren't just for barflies anymore. Researchers at Sweden's Karolinska Institutet have created a novel breath meter that can test for amphetamine and methamphetamine in a person's exhaled breath.
Patients of the future may take a deep breath, and then huff a sigh of relief -- no lung cancer detected.
Such a cancer breathalyzer test could come from the Israel Institute of Technology in Haifa, where scientists have used gold nanoparticles to build sensors that detect compounds on the breath of lung-cancer patients.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.