Ah ni-63. It’s a pure low energy beta emitter. Can’t detect with a Geiger counter, best detected with liquid scintillation swabs. Makes it annoying to detect.

Ah ni-63. It’s a pure low energy beta emitter. Can’t detect with a Geiger counter, best detected with liquid scintillation swabs. Makes it annoying to detect. As long as it’s outside the body it’s harmless. Ingesting or inhaling is not recommended, will harm you once inside. Also as a side note, battery is a bit of a misnomer for nuclear batteries, they’re more of a constant current source. Use it or lose it.