We love a good clock build around here, especially if it tells time in a unique way. This 4-stroke digital clock designed by [lagsilva] takes the checkered flag in that category. As it displays ...

It isn’t flexible enough to be a workhorse simulator, though. For example, naming something clk puts a clock input on the schematic, but using any other name as a clock leaves it as a button ...

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.