Earthquake sensing clocks
Or some sensor that you just stick to your wall, to detect tremors.
by sunnyjim Feb 5, 2021 2 Comments 2 Links
Or some sensor that you just stick to your wall, to detect tremors.
by Blinko Feb 13, 2024 3 Comments 3 Links
#defense, #forcefield, #military, #police, #protection, #safety, #science, #scifi, #technology,
Not sure why a clock when you can just make one and stick it on your wall or shelf.
I had one like this but it just goes off when trucks go past in the street below.