panoramic-x-rayOn November 8, 1895, German physics professor Wilhelm Röntgen stumbled on X-rays while experimenting with Lenard and Crookes tubes and began studying them. John Francis Hall-Edwards was a pioneer in the medical use of X-rays in the United Kingdom. He took the first radiograph to direct a surgical operation, on 14 February 1896.

In the future … possible use of T-rays (read more, click here).