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 ...

We’ve all been there: A tight deadline, an overnighter, and the next day we’re navigating life like zombies. For fighter pilots, the last step isn’t an option. During active duty, these pilots need to ...

[WJCarpenter]’s gas water heater uses a small pilot light that needs to stay burning permanently to ignite the main burners as required. Four or five times a year, the pilot light goes out and needs ...