Time crystals, a state of matter once thought physically impossible, could soon be on a banknote.

Tucked away in Akron stands a culinary time capsule where car hops still sprint to your window, milkshakes require serious straw strength, and the humble Sloppy Joe has been elevated to an art form ...

Artificial intelligence agents can now shop so consumers don't have to - but the non-human shoppers will need a signed ...