A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

April 18, 2026 • The Trump administration's recent military actions have had certain observers asking... are we going full empire? But Daniel Immerwahr, a historian and the author of How to Hide an ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

For owner, choose your personal account or an organization to host the repository. We recommend creating a public repository, as private repositories will use Actions minutes. If the exercise isn't ...