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 ...

When you roll with frank green, you don’t just practice an eco-friendly lifestyle; you turn heads while doing it. Already ...

Engineer Guy Bill Hammack explained the ingenious design behind a recyclable two liter PET plastic soda bottle.

Urban shoppers have also waited for this bottle to restock, with many saying it features the “cutest design.” Like all FreeSip bottles, it keeps drinks cold for up to 24 hours and offers both ...