Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

Researchers have designed a new device that can efficiently create multiple frequency-entangled photons, a feat that cannot be achieved with today's optical devices. The new approach could open a path ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Although some of the best streaming devices these days are smart TVs with streaming apps built in, it's still a lot cheaper to upgrade your current TV with a streaming stick than to purchase a new 4K ...