When the Xray machine was invented in 1895 the inventor did not know why it worked so he called it the Xray because in Math X represents the unknown.
they were invented in 1895
On November 8th, 1895 by Wilhelm Conrad Roentgen at the University of Wurzburg in Germany.
Xray was invented on November 8th, 1895 by Professor Wilhelm Conrad Roentgen.
william conrad roentgen
to see broken bones
it says that on some websites
Wilhelm Roentgen discovered "X" radiation.
No it can not, but they like you to separate them from their bag when going through the xray machine.
who invented the lasting machine