> if it survives EMP and your smartphone obviously doesn't Wouldn't it be much easier to shield a smartphone? Those are much more compact after all. You can bu

> if it survives EMP and your smartphone obviously doesn't Wouldn't it be much easier to shield a smartphone? Those are much more compact after all. You can buy foil-lined pouches that are intended for preventing mobile devices from connecting to the network that might work against an EMP as well – at least as well as the device from TFA, which from the picture appears to have a rather large gap where both halves connect.