A component from Chinese military equipment.

A mysterious jar from the hospital!

Cs-137 1uCi 30.2 Yrs FED2011

Co60

Iridium 192

Mysterious metal ball! Guess which element？

Alpha ray emitted by ordinary uranium ore

Enjoy the huge mica ore 200+USV

Contains uranium 235 percent 0.7 percent ore!

Enjoy the huge mica ore!

All components of this Geiger

DIY

Test my new shielding container Cs137 nuclear radiation!

The dial and knob of the nearby radiation electrical equipment are coated

C 14 source 2 models comparative test

Different types of neutron measuring sources

Cesium 137 measured by ram gam 1C

Ram gam 1C neutron source

Scintillator Rudd mother uranium measuring glass

HDS-100

Rudemu and insectic blue spirit limestone

Americium 241 luminescence phenomenon

Shielding effect of water on cesium 137

Stones in Lude muchI Park

Ran Ran's 6-gram small uranium mine

My hand needs amputation!

5 grams of uranium 235 measured by scintillator Rudd mother

Pointer Rudd neutron source

Tungsten shielded cesium 137 experiment

Radium 226