Neema and I keep synced for live radioooooooo! with La Crosse Technology WT-8005U-S Atomic Digital Wall Clocks (a bargain at $20 each!) They are safe, and contain no atomic material. They have a radio receiver that syncs up with national atomic clock servers elsewhere.

Michael’s atomic clock:

Neema’s atomic clock, 1200 miles away from Michael’s atomic clock. Photos not taken at the same moment, but they are always synced to the millisecond:

Neema’s atomic clock, 1200 miles away. Photos not taken at the same moment, but they are always synced to the millisecond.