Advanced for several reasons 1) You have to be skilled in solar ignition techniques. 2) You have to understand the coal extending properties of leaves and tinders in general. 3) You must overcome you're fear of fire because you're building a large ember in your fist that will be going to flames... and 4) You must have unusual patience while building and nurturing embers and flames. This can take several minutes for each.
Discussion of the "face full of smoke" scene at 6:40. I think this effect was caused by smoke stuck in the negative air pressure in front of my face and then it got drawn towards my face by a backdraft... My head is blocking the brisk breeze that's blowing from behind creating an eddy of air... a negative pressure. As I pull my head back away from the cloud of smoke, I create draft which is pulling a huge amount of smoke towards my head. WHAT DO YOU THINK IS THE REASON FOR THIS EFFECT?
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Solar Ignitions Playlist
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Hands Free Solar Ignition, Wallet Fresnel Lens.
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