How do Fire Pistons work? - AND HOW TO MAKE YOUR OWN

A fire piston is a cool piece of gear that can be used to start a fire, but it doesn't use any type of spark. In this video, I show how to make your own fire piston and explain the science behind how it works. More info on Boyle's Law: https://en.wikipedia.org/wiki/Boyle%2... More info on Thermodynamic Relationship (Isentropic compression and expansion): https://www.grc.nasa.gov/WWW/k-12/air... If you'd like to contact me, suggest more gear to explain, or check my math, comment below or reach out to me at: EMAIL: [email protected] INSTAGRAM:   / outdoorgearengineer