Preforms, the small tubes also known in the plastics industry as “baby soda bottles” or “blanks,” have a following among elementary school science teachers and amateur scientists, ...

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 system is based around using small pumps marketed as “6V DC air ... the pumps instead push air into the top of the sealed soda bottles, which forces soda out of another tube in the bottle.