26 dic 1894 anni - Wilhelm Roentgen X-ray.
Descrizione:
In 1895 German Physicist discovered "X-rays" which can go through things like flesh but stop at things like bones and lead. This is how X-Rays are taken to see broken bones.Aggiunto al nastro di tempo:
Data:
26 dic 1894 anni
Adesso
~ 130 years ago