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Geiger counter se60

Videos about the Geiger counter se60

Old clock dials and clock hands often contain radioactive radium so that they glow in the dark.

    Detect radioavtive contaminated food
Measurement on a incandescent gas mantle
Measurement on a clock face
Measurement on several clock hands
Measurement on a thorium rod
Measurement in an airplane

Tested by Survivalranger Harald Trenner