Using cardboard, Teflon tape, and a pencil to generate energy, a student from École Polytechnique Fédérale de Lausanne discovered the device that works as well as two AA batteries.

Deciding between Gasoila SS16 Soft-Set Pipe Thread Sealant and Teflon tape really depends on your specific needs. Gasoila SS16 is great for situations where you need a reliable seal without risking ...