Most starships in Star Trek are able to travel across the galaxy at faster-than-light speeds through the use of warp drives ...

There's basically one: if you're cutting thick steel plate—not aluminum, not stainless. You need a ferrous material or else ...

Fewer firefighters in the Tucson metro area will have radios capable of contacting other police and fire departments in an emergency than originally planned. When it goes live at the end of next year, ...