I'm not really sure if it is possible to make my idea come true but here it is... I want to provide skiers and snowboarders with avalanche survival devices to put to their backpacks. In case of an avalanche a sensor built-in the device will trigger the system and a mask will pop out to fit a face. As soon as the avalanche hits a person, a small vacuum pump will suck snow into the canister, melt it, and split the water made from the melted snow into oxygen and hydrogen. The...