Among the optical degrees of freedom, the orbital angular momentum of light1 provides unique properties2, including mechanical torque action, which has applications for light manipulation3 ...

The fighters depart at dawn, single-file, rifles slung, compasses in hand, and disappear like chameleons into the lush greenery of central Ukraine's dense forests.

E.L.F. cosmetic products are seen for sale in a store in Manhattan, New York City, U.S., June 29, 2022. REUTERS/Andrew Kelly · Andrew Kelly / reuters. According to Amin, the average price point ...