We may receive a commission on purchases made from links. Depending on when you grew up, you might have owned (or wanted) a projector that lit up your bedroom ceiling with a starry night sky.

We always get excited when we buy a new tablet. But after a few months, it usually winds up at the bottom of a pile of papers on the credenza, a victim of not being as powerful as our desktop ...

When cheap digital TV dongles enabled radio enthusiasts to set up software defined radio (SDR) systems at almost zero cost, it caused a revolution in the amateur radio world: now anyone could tune in ...

Depending on when you grew up, you might have owned (or wanted) a projector that lit up your bedroom ceiling with a starry night sky. Technology has evolved by leaps and bounds in recent years, and ...