moment of inertia
Simone Biles stunned audiences at the 2016 Olympics with a move that appeared to defy gravity. Did it really? Two sports scientists explain the physics of the Biles.
On the 25th of May 1997 a dramatic collision tore a hole into the space station Mir and sent it hurtling through space. As NASA astronaut Michael Foale tells Plus, the fate of Mir and its crew hinged on a classical set of equations.