Paris, France/parisG145
Previous | Home | NextBecquerel discovered radioactivity by accidently noticing photographic plates had been exposed by pitchblende, even when the plates had been covered and thus shielded from all light.
Paris, France/parisG145Previous | Home | NextBecquerel discovered radioactivity by accidently noticing photographic plates had been exposed by pitchblende, even when the plates had been covered and thus shielded from all light. |
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