[ben_w]

Seismic can only detect an explosion. Neutrino can detect the construction. If the threat comes from someone who has reactors and already knows how to make bombs, seismic is too late.

A 5 ton detector isn’t particularly implausible in a whole range of scenarios.

Eat up. :)

[mjfl]

Still waiting...

[FridgeSeal]

Someone literally just provided you with an explanation of a possible application, you can't just dismiss their comment because you don't like it.