Awesome. I'm not sure I'd stand as close as the guys in the vid clip did: In action, and from close by, it must be like standing directly behind a Vulcan bomber as it lights up its engines and takes off*. Only less safe. [Lost Arts Collective via Makezine via Neatorama]
*This is the single loudest, most impressive and chilling sound I've ever heard. If you're unfamiliar with the Vulcan's roar, check this out.