What if the key to solving the world’s energy crisis was hidden in a process so ambitious, so technically demanding, that even experts once dismissed it as science fiction? For decades, nuclear fusion ...

A critical shortage of fuel for nuclear fusion reactors may have a rather counterintuitive solution. A physicist at the Los Alamos National Laboratory (LANL) says that fusion reactor fuel could be ...

The promise of nuclear fusion feels simple. Just as stars fuse hydrogen into heavier elements to produce energy, a fusion reactor generates massive amounts of energy by combining lightweight particles ...

Tritium permeation barriers are critical to the safe and efficient operation of magnetic confinement fusion devices. Tritium, a radioactive isotope of hydrogen, must be contained within the reactor’s ...

Fusion energy is often called the ultimate clean power source, since it promises to harness the same nuclear reaction that powers the stars. To do this, the goal is to heat hydrogen isotopes until ...

Inside a French fusion experiment, a metal more associated with lightbulb filaments than star power just did something extraordinary. Tungsten, long considered too brittle and temperamental for the ...