The US military wants to create a stimulant drug that can be switched on or off in the brain using near-infrared light. Such technology could help Air Force pilots stay alert during long combat missions while avoiding negative side effects or addiction.
The AWARE program, a project of the US Defense Advanced Research Projects Agency (DARPA), aims to develop a new version of dextroamphetamine that can be activated or deactivated through exposure to near-infrared light.…