Real aluminum foil hats actually intensify the microwave energy because the aluminum foil forms a resonant cavity. Some MIT students published a study on this. What you want is a material that absorbs the microwave energy. I suspect that this is what this hat does.
Real aluminum foil hats actually intensify the microwave energy because the aluminum foil forms a resonant cavity. Some MIT students published a study on this. What you want is a material that absorbs the microwave energy. I suspect that this is what this hat does.