4 ms·
Previous studies have only shown that tin foil works. After WWII and the rise of the current global system, they substituted aluminum for the tin to reduce effi
by biomcgary 4y ago
Previous studies have only shown that tin foil works. After WWII and the rise of the current global system, they substituted aluminum for the tin to reduce efficacy (https://en.wikipedia.org/wiki/Tin_foil https://en.wikipedia.org/wiki/Tin_foil).