MythBusters
Chinese Invasion Alarm
7
null min
Is an ancient Chinese text alluding to a subterranean sonar system that could apparently detect and intercept an invasion from below true? Is the five-second rule for food really safe to eat?
Is an ancient Chinese text alluding to a subterranean sonar system that could apparently detect and intercept an invasion from below true? Is the five-second rule for food really safe to eat?