‘Relatively common’: WA’s lost-and-found radioactive capsule not the only missing material around
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The tiny capsule that fell out of a Perth-bound truck captured the world’s attention, but experts say hundreds of radioactive sources go missing each year

The search for the missing capsule captured the world’s imagination, but radioactive material goes awol about 100 times a year around the world, says Dr Edward Obbard, a senior lecturer in nuclear engineering at UNSW Sydney.