Video description
For 70 years, fusion - the energy source of the stars - has been famously '30 years away.' But in 2026 that's changing fast: giant new reactors are under construction and companies like Commonwealth Fusion are racing toward a historic milestone within a couple of years. This is the clear story of fusion energy: how fusing hydrogen into helium releases star-like power, why it's the ultimate clean fuel with no carbon and no meltdown risk, and why it's so brutally hard - needing temperatures ten ti
