A physicist uncovered what Amish families use to keep food, water and heat going when the power stays out.

Video thumbnail: a dark kitchen with the power out, next to an old copper device in a barn, with a play button Opening the presentation…

Former college professor Charles Green spent two years living with an old-world Amish community and uncovered the simple methods they use to keep food, water and heat going with no grid.

More than 35,787 people have already used this presentation to set up the same food, water and heat backups at home.

Tap the button below to watch it free, before it's too late.