Penetrating radiation

Noticed casually, but studied on purpose by W. Röntgena, served to discover the DNA structure

First tubes for X-(Röntgen) rays
[Science Museum, Londyn]

Synchrotron - a modern source of X - rays
[DESY, Hamburg]

Early set-ups for Röntgen's rays
[Deutsche Museum, Monachium]

How DNA looks like?Structure of adenovirus RNA obtained by X-rays [Nature]

Super poison Röntgen's rays in biology - structure of proteins [DESY, Hamburg]