The Physics Behind Waterslides
National Geographic takes a high-level look at the physics behind waterslides. A lot of science goes into providing a safe 60 mph trip down slides like Walt Disney World’s 10-story Summit Plummet. ‘Safety is our number one concern,’ explains Rick Hunter of ProSlide Technology. ‘We’re thinking about things like, “are you going to stay on the fiberglass tube,” it’s really easy to do a computer model and look at curves and drops and forecast rider position and speed.
AeroVelo, University Of Toronto Team, Win Human Powered Helicopter Flight Competition
“human power, delivered to the craft’s four rotors through the bicycle pedals he steadily pumps throughout his flight. It’s that fragile machine, built by Reichert’s Canadian team, which has now won a long-coveted international prize that lay unclaimed for years. The AHS Igor I. Sikorsky Human Powered Helicopter Competition was established in 1980 for the first successful controlled flight of a human powered helicopter that could reach a height of three metres while hovering for at least one minute in a 10-square-meter area.”
Jump – Life in the sky | Moments of Men
cute – nice to see that people who work in commercial aviation have fun and post great photos
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