Light Emitting Diodes (LEDs) are used in everything from household lighting and mobile phones to large display screens.

A laser-based innovation could allow electron microscopes to reveal biological structures that have long remained beyond ...

Nanocrystals are already used in millions of devices, including televisions, laptops and displays, and are considered key ...

An international team led by researchers at Hiroshima University has developed a new way to detect subtle, early-stage ...

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 ...