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What do true geeks do on a hot summer afternoon? Of course, they bring their homegrown inventions out of the basement.

That was the scene Saturday in Seattle’s Fremont neighborhood as a group of inventors displayed their wares to the public at ThingOut, showing off everything from a liquid nitrogen powered hovercraft to a Tweeting race car to a fan-powered bicycle. Of course, there were also some robots.

We stopped by the event — held in advance of Ignite Seattle — to get a sense of what some of Seattle’s inventors are cooking up. We took photos and shot some video of the projects, impressed with Rich Olson’s electric fan-powered bicycle and Phu Nguyen’s iPhone-powered robot. Take a look, starting with Olson’s bike.


And here’s Olson on that bike.


Christin Boyd and Greg Enslow display their swamp cooling device that they plan to use at Burning Man next week.


Phu Nguyen and his iPhone-controlled robot.


More photos from ThingOut:


Software engineer turned circus performer Beverly Sobelman was set to conduct her Ignite talk from the trapeze bars.


A liquid nitrogen-powered hovercraft.


Rich Olson on his fan-powered bike.

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