Well, they haven't conducted any since 1996.

> Since the treaty's opening for signature in 1996, only sixteen nuclear tests have been conducted, all by non-signatory states: Pokhran-II by India and Chagai-I by Pakistan in May 1998, and six tests by North Korea from 2006 to 2017.

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mavelikara an hour ago | parent [-]

Why were nuclear explosions harmless before 1996?

	▲	pavel_lishin an hour ago \| parent [-]
		They weren't. Hence the treaty.