The Truth About Tinfoil Hats and Real EMF Protection For decades, foil hats have been the universal symbol of protection against invisible forces — whether those are mind control signals. While the idea might sound humorous, it actually stems from a genuine public concern: exposure to electromagnetic fields, or EMFs. https://bernieb963mqt4.bcbloggers.com/37025607/why-tinfoil-hats-don-t-actually-block-radiationfrom-myth-to-modern-techwear-the-evolution-of-emf-shieldingfrom-myth-to-modern-techwear-the-evolution-of-emf-shieldingwhy-tinfoil-hats-don-t-actually-block-radiation