Cody Lundin uses his knowledge of physics to make a shelter that is more efficient at retaining heat, whilst also using less firewood, much to the surprise of Dave Canterbury.
?? Catch full episodes of your favourite DMAX shows on discovery+: https://bit.ly/2X2tRiG
Subscribe to DMAX for more great clips: https://bit.ly/2Fuweyc
Like DMAX on Facebook: https://www.facebook.com/dmaxuk/
Follow DMAX on Twitter: https://twitter.com/dmax_uk