Elon Musk's flamethrower may be a bad idea, but it's perfectly legal

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Generally, flamethrowers are legal. 
Just as Elon Musk has incited enthusiasm, discourse, and frustration about the realities of colonizing Mars , he has successfully done something similar for flamethrowers. His tunneling company, The Boring Company , sold 20,000 flamethrowers this week and is now sold out of the $500 flame igniters. 
SEE ALSO: Someone is already trying to stop sales of Elon Musk's flamethrower
A flamethrower generally refers to a stream of fire emitted from some sort of torch-like contraption — not actual balls of fire being hurled or thrown into the air. Elon Musk's flamethrower, for instance, produces a stream of fire that looks to be a foot or so in length — although flamethrowers can certainly produce longer flames. Read more... More about Tech , Elon Musk , Fire , Laws , and Flamethrower