Sentences with phrase «shield radioactive substances»
Lead could shield radioactive substances, but most ordinary materials like walls or glass do not stop gamma rays.
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Intended as a critique of the Copenhagen interpretation of quantum mechanics, and eventually becoming the go to example for illustrating the difficulty of describing quantum states, Albert Einstein's buddy devised the following scenario: a cat, a Geiger counter containing a trace amount of radioactive substance, and a flask filled with poison are placed in a sealed and shielded box.