Click to viewIf we're not participating in a jet-powered water cannon arms race yet, we need to get going. Because once you watch China's $456,000 monster spew four tons of water per minute, you're going to want one of our own.
That contraption—meant to suppress office fires—has a range of nearly 400 feet, and expels water fast enough to not just douse flames but choke the oxygen out of them. Come on, scientists of America. Surely we can strap a jet onto something even cooler than this. Right? [Phoenix News Media via Engadget]