Vacuum fluorescent displays (VFDs) are one of those beautiful pieces of bygone technology that you just don’t see much of anymore. At one time they were a mainstay of consumer electronics, but today ...

[David Hopkins] built a seven segment clock, but not in a way you would think. Typically, if one wants to make something like this, one would start off with some seven segment LEDs. [David] wanted to ...

A circadian clock has been recreated in full inside a test tube. It is the first time the cellular pacemaker has been produced outside a living organism. The clock, copied from a cyanobacteria, was ...