Mat Smith tests out Gravity Industries’ electric jet suit prototype.

Stood on stage, with the two arm jets resting on a frame in front of me, the team finishes teaching me the fundamentals of movement: Use your right-hand trigger to adjust thrust, spread uniformly across the three jets; raise your hands to go back, bring them behind you to go forward; raise just one to rotate in that direction. Someone tapped my back and I realized I was now attached to a safety wire that ran across the very top of the stage.

And that was it. An engineer put a pair of ear protectors on me — I had a big heavy engine on each wrist — and withdrew to a safe distance. Then the engines kicked in, and I immediately realized why I had ear protectors.

These engines can roar. Collectively, they have enough power to lift up to 210 pounds, but the Gravity Industries team gently increased the engine power, meaning I could literally find my feet, moonhopping from side to side, feeling the effects of different angles on the arm thrusters.

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