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A former NASA engineer has created what may be the world's largest water gun. And it's Yuge!

July 19,2018 21:19

(CNN) What do you do when you're done building the world's largest Nerf Gun? If you're Mark Rober, you set your sights on the mother of all water guns. Rober is a former NASA engineer who clearly likes to think big. Not content to rest on his laurels ...and more »

us,A former NASA engineer has created what may be the world',s largest water gun. - CNN

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