As far as telling the time, word clocks go out of their ... that appears to be constructed from PCBs, with instructions on operating the clock printed on the base. The actual display is via ...

He called the slowing of time due to motion time dilation. Imagine you're standing on Earth holding a clock. Your friend is in a rocket zooming past you at nearly 186,000 miles per second.

We’re no strangers to unusual clocks here at Hackaday, and some of our favorites make time a little more tangible like [Kyle Rankin]’s knitting clock. Inspired by our coverage of [Siren Elise ...