
Plasma physics: The fusion upstarts
Fuelled by venture capital and a lot of hope, alternative fusion technologies are heating up.
Hubert Kang Photography
General Fusion's reactor would use massive pistons to crush fuel in a spinning vortex of liquid lead.
To reach one of the world's most secretive
nuclear-fusion companies, visitors must wind their way through a
suburban office park at the foot of the Santa Ana Mountains, just east...