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 ...

Bruising happens when blood pools under the skin due to damage in blood vessels. Some medications and conditions can make you bruise easily. Bruises usually heal in about two weeks without treatment.

Since the very beginning, Mental Floss has been dedicated to dredging up fascinating facts from across a broad range of topics—we’ve covered everything from strange animal stories to weird historical ...

Here's the thing about "popular" gifts: they're popular. Which is great—until you realize your recipient already owns the latest AirPods model, a fluffy bathrobe that doubles as a weighted blanket, ...

Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...

Find all of Teen Vogue's questions and games stories here. We’ve all been there, staring down the silence of a conversation with no clear path. This is where a set of random questions to ask comes in ...

Omegle made it easy to meet strangers with just one click. You could jump into a random video chat or keep things simple with a text chat. No pressure. No expectations. Just a chance to meet new ...

The Random Hardware Addresses feature is a great way to ensure that your computer is secure and that no one can track your movement. In this post, we will learn how to turn on Random Hardware ...

A new network paradigm can generate meaningfully random numbers—and fast. In network encryption, randomness has huge value because it’s not “solvable” by hackers. Classical computers can’t be ...

Do you know what'll always save you from awkward silences at a work function? Or make you the shining star at any dinner party? A funny, interesting, and slightly niche fun fact. As it turns out, ...