Or, a shielded metal container. Why would you give such bad advice?
“Why would you give such bad advice?”
He read it on the internet, thus is an expert.
Typical metal CME/EMP shielding won’t protect devices from gamma radiation. And CME/EMP shielding -whether a box or for individual devices is more expensive, complex and time consuming than ground shielding. Perhaps a good, heavy gun safe would work but it’s still static storage and about a grand more than ground shielding.