Tinfoil was common they had to make its protective properties seem "crazy" otherwise too many people would get protected. Now they are trying to phase out foil altogether. I hope you stocked up /x/.
>>42563092Based on technical testing standards like IEEE-299, aluminum foil provides significant shielding effectiveness across a broad range of frequencies. For plane waves, which include common signals like Wi-Fi and cellular, tests show it can achieve attenuation levels of 85 to over 90 decibels.
>>42563092Is this why kings wore crowns? i need to cover my head but i don't know with what.Do any of you know wich fabric is the best for protection?
>>42564573https://defendershield.com/products/emf-shielding-linear-custom
Not only due they block signals, the right shape and sized hats will actually amplify your own brain waves.
>>42563092Based