> In fact, while most nuclear powers have dabbled in the idea of 'how could we conceal a nuclear test', it seems that only Israel is capable of doing it.
Only because the US decided to officially look the other way. See "The Vela incident" which was never publicly attributed, but was almost certainly a joint Israel-South Africa test.
I think you're correct but it also hasn't ever been publicly attributed to Israel. It's certainly a nuclear weapon test, but there isn't anything to directly tie it to Israel. "could have been anyone" is a pretty good shield
Only because the US decided to officially look the other way. See "The Vela incident" which was never publicly attributed, but was almost certainly a joint Israel-South Africa test.