Podiatric surgeon Dr. Jacqueline Sutera explains why flip-flops aren't sensible footwear, and outlines some of the long-term consequences of overwearing them. Following is a transcript of the video.

Flip-flops are extremely simple electronic circuits, forming the basis of clock circuits, memory circuits, buffers, and shift registers. Through his dilly-dallying with digital logic, [Jeffrey ...

This is then fed into a divider higher up the stack which uses flip flops to produce 1Hz and 2Hz signals for use throughout the rest of the clock.