Researchers have built a drone that runs on hydrogen, to replace battery-powered drones that are too heavy and have too short a range. This technology could help fix power outages faster and replace ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Superyachts are notoriously dirty luxury toys, with a single ...

Hospitals depend on uninterrupted power. From life-support systems and surgical suites to refrigeration for medications and vaccines, any lapse in energy delivery can pose immediate risks to patient ...