Tagged: air

Why do we hiccup?

The longest recorded case of hiccups lasted for 68 years … and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an...

Seeing the invisible

This is what the world would look like if you could see invisible air currents, temperature gradients, and differences in pressure or composition of the air. Schlieren imaging is a method to visualize density...

Battle Quads

Bring the magic of flight to a whole new dimension with Propel’s Star Wars high performance laser battling Quads. Pilot your favorite Star Wars ships at speeds above 35 MPH (56 km/h)and engage friends and...