ACCELERATING EDUCATION

ACCELERATING EDUCATION
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Παρασκευή, 8 Νοεμβρίου 2013

November 8, 1895: Roentgen's Discovery of X-Rays.

One of the earliest photographic plates from Roentgen's experiments was a film of his wife, Bertha's hand with a ring, produced on Friday, November 8, 1895.

one of the earliest photographic plates

more in the link

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