One of the most creative takes on a time-travel movie came to us in the form of Hot Tub Time Machine. The franchise asked an important question: What if you got in a hot tub, and it took you back to a ...

A physicist has distilled time travle into three lines of proof that shows if spacetime can be sliced into layers of light, every traveller must cross them in the same direction, so no journey can ...

Time Machine remains an outstanding solution for local backups on your Mac, but backups require an external drive, no cloud backups here. We all understand the importance of backing up a Mac, despite ...

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The Doctor used this time machine, called the TARDIS, to travel through space and time on the BBC television show Doctor Who. Image via Babbel1996/Wikimedia Commons. The concept of time travel has ...

Knowing how to restore Mac files from a Time Machine backup is very important, offering a solution when a file is missing or a document has been changed in an unexpected way. Recovering files with ...

I am an avid reader of your column in the Houston Chronicle. A few decades ago, a hard disk crashed, and I lost some stuff I hadn’t backed up to discs, but I had been doing a lackadaisical job. I was ...

If only our Physics department would invent a time machine. Then, I tell students, we could truly learn about the past as it actually happened, instead of making educated guesses on the basis of ...