https://makezine.com/projects/two-liter-soda-bottle-boat/
Make a Boat from a Two Liter Soda Bottle | Make:
May 27, 2015 - This easy build uses two important scientific principles, buoyancy and stored kinetic energy, to float and drive a simple soda bottle boat.
make atwo literboatsodabottle
https://laughingsquid.com/two-liter-plastic-soda-bottle-design/
The Ingenious Design Behind the Recyclable Two-Liter Plastic Soda Bottle
Apr 14, 2025 - Engineer Guy Bill Hammack explained the ingenious design behind a recyclable two liter PET plastic soda bottle.
ingenious designtwo literplastic sodabehindrecyclable
https://www.wimp.com/use-a-two-liter-bottle-as-a-50-watt-light-bulb/
Use a two-liter bottle as a 50-watt light bulb.
Aug 17, 2018 - By filling a 2-liter plastic bottle with clean water, this Brazilian business owner can create light in his workshop.
two liter bottleas 50usewattlight