The power of the sun is harnessed using a bottle full of water. Quite simply they’re used 2-liter soda bottles. They’ve been filled with water along with two caps worth of bleach to keep ...

Doing what he does best, Bill Hammack, AKA The Engineer Guy, spends an enlightening 13 minutes explaining not only how two-liter plastic soda bottles are made, but also how their seemingly simple ...