Kimi Antonelli
Última Hora
A 1,680-ton German boring machine with a cutterhead over 28 feet across is being bolted together in a New Jersey trench to chew through rock so abrasive its cutters wear out every two days, on a route where 40 people work inside the machine
While Britain finishes the largest wind farm ever built with machines 850 feet tall, a Gates-backed startup in Wyoming is running wings around an oval clothesline 80 feet off the ground, betting that deleting the tower and the crane beats reaching the better wind
American engineers just rebuilt a jet engine that spent its first life hauling 747s across oceans to burn pure hydrogen, a flame eight times faster than natural gas that climbs back up the nozzle and cooks the hardware feeding it — and the first four ever built have never run a single hour
A Swiss reactor design promises to burn the nuclear waste that stays dangerous for 300,000 years down to material needing under 1,000 — but first somebody has to build a proton cyclotron nearly three times more powerful than the strongest one on Earth