The clock is ticking during the last building day of Red Bull Creation and the sun reflecting off constructed metal is what innovation dreams are made of. With a few hours to go, all six teams are hard at work and all the programming, welding, hammering and testing going on under 1,000 square feet of tenting in the middle of Brooklyn is music to our ears. Tonight is the night when the creations get revealed, so the competition is hot and so are the soldering irons. 4, 3, 2, …