First, a robot may not injure a human being or, through inaction, allow a human being to come to harm
Here’s a new solution for the impatient gadget geek: graphene-enhanced batteries that can charge your cell phone and power tools...
Fixing the most advanced telescope in space requires more than a trip to Home Depot
A redesigned motor gives this drill a serious boost in juice
Lithium-ion batteries double the power in your hand
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.