Awesome Air

If you’re like us and eat at your desk, you’ve got crumbs between your keycaps. The KeebMonkey Air Duster is a high-power blower designed for cleaning keyboards. Its long nozzle and brush tips get between keys, and blast debris away in seconds. It’s 6000 mAh battery provides up to 30 minutes of cleaning per charge.

Typical LEGO machines use motors to directly drive gears or belts. Brick Technology shows us how LEGO parts can be assembled to move pistons to move a crankshaft, which spins gears attached to a wheel or propeller. They start out with a 1-cylinder engine and gradually ramp it up to a 12-cylinder radial airplane engine.

JBV Creative has been playing with designs for a vortex cannon that fires a puff of smoke and a blast of air to create smoke rings. He’s refined his creation into this handheld unit with a mechanical iris to adjust the size of its smoke rings and an LED ring light to illuminate them.

Engineer Yukio Shinoda created this unique desk clock that tells time with air bubbles. As they rise to the surface of a glycerin-filled tank, the bubbles form dot-matrix digits. He’s also built a larger version that can display multiple digits and wider graphics.

Machines that fire tennis balls are as common. But we’ve never seen one that uses human power. Creative Machines’ ball cannon launches tennis balls up to 200 feet. Each time its handle is pushed, it raises a weight. When it reaches the top, it falls and becomes a piston, flinging balls into the sky using compressed air.

Find out what you’re really breathing in with this high-tech indoor air monitor that can analyze and track chemicals, dust, CO2, humidity, and temperature. Its companion mobile app then makes recommendations, and can even control other smart devices to help improve air quality.