28 Apr /14

X-rays

In 1895 Röntgen published an article in a German medical magazine entitled “About a new type of rays”.Continue reading X-rays

23 Apr /14

Radioactive

The state of being radioactive, or radioactivity, or the spontaneous emission of radiation by material was discovered by Becquerel, who was awarded the Nobel Prize for this in 1903.Continue reading Radioactive