Stardust
point at an atom in your body. rewind it to its factory.
hydrogen from the Big Bang, carbon from a dying star, gold from colliding neutron stars
Point at an atom in your body and it traces back to the event that made it: hydrogen from the Big Bang, carbon cooked in a dying star, gold forged when two neutron stars collided.
Concepts: nucleosynthesis, stars.
An interactive you play with one thumb, on Wundr.