Torus How a fusion reactor works

1 of 10

A star, bottled

    Deuterium meets tritium

    Scale: femtometres, a millionth of a billionth of a metre

    Chance a collision like this fuses: –

    Mass before
    5.0302 u
    Mass after
    5.0113 u
    Turned into energy
    0.38%, 17.6 MeV

    Drag to orbit, scroll to zoom, select a label for details

    Torus

    How a fusion reactor works. A tokamak and a stellarator, from the magnetic cage down to a single fusion between two nuclei.

    Building the reactor

    Design: Sometek.fi