In 1895, science fiction writer H.G. Wells introduced the world to the concept of time travel. Pick a time, he told his dinner guests in The Time Machine, and manipulate a lever in his machine: “this ...

Imagine a clock that doesn’t have electricity, but its hands and gears spin on their own for all eternity. In a new study, physicists at CU Boulder have used liquid crystals, the same materials that ...

Plus a simple tool that makes it better for laptops. Losing something you spent time working on, or photos that you can't replace, is devastating. You might think this is a problem of the past because ...

Time travel is probably one of the coolest sub-genres of science fiction, but even more so when it requires a specific bit of transport to get the job done. Movies have housed a wild array of time ...