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• THE X MEANS UNKNOWN. Roentgen named his discovery X-strahlen — strahlen being German for “beam” or “ray,” and “x” being used in mathematics to indicate an unknown quantity.
• ONE OF THE EARLIEST X-RAYS WAS OF THE DISCOVERER’S WIFE’S HAND. Like many scientists,Roentgen started out by experimenting on his wife. ...
• THEY WERE ALMOST IMMEDIATELY PUT TO USE. ...

• X Ray was invented by several scientists who examined cathode rays in 1875. The scientists involved in this special project were Wilhelm Rontgen, Philip Lennard and Johann Hittorf. Rontgen is a physics professor in Germany who studied the electromagnetic rays produced by Crookes tubes .

• The discovery of X-rays was by a German physicist called Wilhelm Roentgen. In 1895 Roentgen discovered X-rays almost by accident.

X-rays were first discovered in 1895 when, during experiments with electric currents passed through a vacuum tube, Wilhelm Conrad Röntgen noted that a nearby fluorescent screen glowed when the current was being passed.

9 Transparently Amazing Facts About X-Rays

1. THE X MEANS UNKNOWN. Roentgen named his discovery X-strahlen — strahlen being German for “beam” or “ray,” and “x” being used in mathematics to indicate an unknown quantity.
2. ONE OF THE EARLIEST X-RAYS WAS OF THE DISCOVERER’S WIFE’S HAND. Like many scientists, Roentgen started out by experimenting on his wife. ...
3. THEY WERE ALMOST IMMEDIATELY PUT TO USE. ...

X Ray was invented by several scientists who examined cathode rays in 1875. The scientists involved in this special project were Wilhelm Rontgen, Philip Lennard and Johann Hittorf. Rontgen is a physics professor in Germany who studied the electromagnetic rays produced by Crookes tubes.

The discovery of X-rays was by a German physicist called Wilhelm Roentgen. In 1895 Roentgen discovered X-rays almost by accident.