Dennis Whyte’s fusion quest

MIT's Dennis Whyte and his students revolutionized fusion energy by designing a compact reactor using revolutionary superconducting tape called ReBCO, creating magnets 40 times smaller than existing designs but vastly more powerful. Their breakthrough led to Commonwealth Fusion Systems, which raised $2 billion and successfully tested a 20-tesla magnetic field using just 30 watts of energy—10 million times less than previous attempts—proving their approach could achieve commercial fusion power by 2030.