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What did Wilhelm Röntgen discover in 1895, and whose hand was in the first medical image?
Confirmed
X-rays, and his wife Anna's hand
He found an unknown ray passing through objects and named it X. His wife's hand showed bones and a ring.
What accident led Alexander Fleming to discover penicillin in 1928?A melted candy bar in an engineer's pocket helped lead to which kitchen appliance?What made Marie Curie unique among Nobel winners?What natural object inspired Velcro?How was Teflon discovered?Which element did the Curies name after Marie's homeland?