Henri Becquerel discovers radioactivity.
The French physicist made his groundbreaking discovery while trying to prove his erroneous theory that phosphorescent uranium salts absorb sunlight and reemit it as X-rays.
Henri Becquerel discovers radioactivity.
The French physicist made his groundbreaking discovery while trying to prove his erroneous theory that phosphorescent uranium salts absorb sunlight and reemit it as X-rays.