Karen Silkwood's Purse

Origin
Karen Gay Silkwood (February 19, 1946 – November 13, 1974) was an American chemical technician and labor union activist known for raising concerns about corporate practices related to health and safety of workers in a nuclear facility. She is most famous for her mysterious death, which was the subject of a victorious lawsuit against the chemical company Kerr-McGee.

Effect
When an object is placed into the purse, the object will suddenly become radioactive. Nothing happens when a radioactive object is placed into the purse, not even an object affected by the purse.