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 ...

The DYSANKY Insulated Water Bottle can hold a whopping 64 ounces of water and its multi-layer insulation will keep cold drinks cold for up to 48 hours. The bottle comes with a spout lid, a straw lid, ...

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 ...

One two-liter soda bottle = 4-1/2-lbs. water or 6-3/4-lbs. sand. One gallon milk bottle = 8-1/3-lbs. water or 12-3/4-lbs. sand. One 1/2 gallon milk bottle = 4-1/4-lbs. water or 6-1/3-lbs.

Easy to assemble metal water rocket launcher with a 125 ... StratoLauncher IV Ultimate will propel a 2 liter plastic (PET) soda pop bottle over 350 ft. in the sky. Watch the last minute of the ...