TechnologyNorthwestern Scientists Build a Fuel Cell That Runs on DirtEngineers at Northwestern have built a soil-powered fuel cell that uses natural bacteria to generate steady electricity for underground sensors — no batteries, no solar panels, no recharging required.
ScienceDuke Engineers Build the Fastest Light Detector Ever — and It Needs No Power to RunA new ultrathin photodetector from Duke University captures light across the entire electromagnetic spectrum in just 125 picoseconds, opening doors to revolutionary cameras for medicine and agriculture.
