Researched
Fusion Powers the Stars
Bethe shows (1939) that stars shine by fusing hydrogen into helium, explaining the Sun's energy.
Open in the interactive tree →The proton-proton chain and the carbon-nitrogen-oxygen cycle explain stellar brightness and the making of elements. The same physics motivates fusion power research: tokamaks and laser fusion try to copy it on Earth.
Prerequisites
Unlocks
- Tokamak & Stellarator1968Fusion research tries to copy the process that powers the Sun
- Fusion: Ignition & Records2022–2026Laser and magnetic fusion experiments reproduce stellar fusion reactions