An apparently easy-looking math problem has left internet users scratching their heads. Give it a try to see if you can correctly solve this elementary-level equation.

It's a well-known fact that quantum calculations are difficult, but one would think that quantum computers would facilitate the process. In most cases, this is true.

Synchronization abounds in nature: from the flashing lights of fireflies to the movement of fish wriggling through the ocean, ...

As artificial intelligence grows more powerful, so does its appetite for speed and energy. The quest for faster, smarter ...