“Unlike large pure fusion reactors, compact spherical tokamaks may be used to produce high-energy fast neutrons economically, which can breed fuel for traditional nuclear reactors or burn their ...

Today’s nuclear fission reactors create radioactive waste, whereas nuclear fusion releases vast amounts of energy, with zero carbon emissions and only minimal radiation. Tokamaks and ...

and McLaren — has unveiled a fusion energy reactor design it believes offers the quickest route to commercially viable fusion power. Dubbed Stellaris, the machine is a quasi-isodynamic (QI ...

But now, with net-positive fusion power no longer the stuff of science fiction, a fresh crop of startups have been founded on more mundane questions: Can reactors be built for less money?

A world record for nuclear fusion has been smashed after an ‘artificial sun’ reactor was able to maintain a plasma for more ...

SAN FRANCISCO--A start-up that a Nobel laureate co-founded plans to commercialize a nuclear fusion reactor using laser technology by around 2030. Shuji Nakamura, co-recipient of the 2014 Nobel ...