X-rays, the crossword

2. The nature of X-rays.
4. The negative electrode.
6. The important caracteristic of objects which determines weither radiations could pass through it or not.
7. The phenomenon that was the center of interest of the majority of physicists in the middle and end of the XIXe century.
9. The field that has been developped thanks to X-rays.
10. The field which now uses the techonology developped thanks to X-rays.

1. The discovery of something by pure luck or by mistake.
3. Name of the prize earned for major breakthroughs in a wide range of domain (like physics, mathematics, biology, etc...).
5. A negativly charged particle which are circulating within Crooks Tube.
8. The positive electrode.