Zap Energy’s three-meter reactor uses a lead-lithium liquid wall, cutting hardware needs and bringing cleaner, modular power ...

The machines at their center, called tokamaks, have evolved from experimental curiosities into instruments capable of sustaining confined plasma – matter so hot it mimics the ...

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time inside the sun. But to recreate the process on Earth, we must control ...