Simple inventions using recycled materials

Amazing People : Cold Proof Man : Wim Hof is a Dutch-born man with the incredible ability of being invulnerable to cold, which he has proven by swimming in ice cold water and being buried completely in ice. He climbed up Mount Everest in a goddamned pair of goddamned shorts.Researchers finally got curious and decided to test Hof, and amazingly, they found that he can actually control his autonomic nervous system and immune response through concentration and meditation....