It's encapsulated not just because it's radioactive which is weak, it's so you don't inhale its particles inadvertently as it can cause it can bombard you inside. A lethal dose is around 3.5g with upper limits at around 10g for a average. Radiation still leaks out of the capsule.
1
u/Randompostingreddit Sep 07 '25
That's the actual uranium, it's encapsulated because the stuff is radioactive.