When the world gets closer.

We help you see farther.

Sign up to our expressly international daily newsletter.

TOPIC: x ray discovery

This Happened

This Happened—December 22:  Bertha Röntgen's Hand Becomes Landmark Of Science

In 1895, Wilhelm Conrad Röntgen took the first X-ray ever.

Sign up to receive This Happened straight to your inbox each day!

Watch VideoShow less