Tech
India is building the world’s largest green energy park in a remote desert, and it could employ 15,000 people
An American company is inviting outside scientists to test its 5-megawatt fusion engine, and the stakes for clean power are huge
It isn’t recycling: a new solar reactor turns plastic waste into hydrogen fuel at scale using clever chemistry
Big Boy No. 4014, the world’s largest operating steam locomotive, will roll through Pennsylvania twice in July, and it’s a rare sight
A $50 billion bridge could finally link Connecticut to Long Island, but engineers can’t agree on whether it would fix anything
Switzerland laid the world’s first removable solar plant between its train tracks, and the early results are turning heads abroad
India is boring a tunnel through the Rohtang hills to redirect a river, and one neighbor is watching with growing alarm
America just switched on its largest renewable project ever, and it now pumps out more power than the Hoover Dam
NASA sent Curiosity to Mars in 2011 for a two-year mission, and almost 15 years later it still won’t quit
A Swiss firm unveiled the world’s first narrow-gauge hydrogen train, and what leaves the tailpipe is the surprise
Madeira’s ocean observatory just unveiled two autonomous deep-sea submarines that cost almost $7 million: what they’ll hunt
California roofed its irrigation canals with solar panels, and covering all 4,000 miles could save billions of gallons of water
Canada cut a hole in a live nuclear reactor, pulled out eight 110-ton steam generators, and reopened it months early
Hungary dug a hole deep enough to bury a seven-story building, all to hold one 330-ton steel reactor vessel
A US startup wants to drop a full nuclear reactor a mile down a 30-inch hole, with no concrete dome required
Lisbon is burying an entire rail junction underground: by 2034, Cascais trains will reach a place they’ve never touched before
A historic steam locomotive just crossed England, hauled from London to York’s National Railway Museum: the reason behind the move matters









