What’s going to keep a clock running for a century, unattended? Well, whatever’s running it will have to sip power, and it’s going to need a power source that will last a long time.

Researchers have identified a second dopamine-driven "clock" in the brain that works alongside the biological 24-hour cycle, ...

The slow CPU and limited ... the most practical way to run your own time server, [Michael]’s blog post is a fascinating deep dive into the finer points of PC clock architecture and network ...