M. Y. Louge
= M. Y. Louge
{c}
<M. Y. Louge> co-developed measurements of small-sphere collisions using stroboscopic photographs. Releasing spheres without initial <spin> helped isolate how contact generates rotation and changes tangential motion.<Measurements of the collision properties of small spheres by S. F. Foerster and others>[Free-fall apparatus and trajectory analysis]{ref}