iOS app Android app

Human Powered Vehicle

Timothy Stenovec

WATCH: A Human-Powered Helicopter | Timothy Stenovec | Posted 07.11.2013 | Technology

It took 33 years, but it's finally been done. AeroVelo, a Canadian team, has won the Sikorsky Human Powered Helicopter Competition, successfully us...

The Sikorsky Human-Powered Helicopter Prize: One of the Last Great Aviation Firsts

Dr. Todd Reichert | Posted 07.30.2012 | Science
Dr. Todd Reichert

The problem, of course, is that the human body can produce, at best, about 1 horsepower for a one-minute flight. This is about half the power that it takes to run a good hair dryer! Is it even possible to build a helicopter that can lift so much weight on so little power?

Seven-Person Bike Used as Schoolbus and to Fight Obesity (VIDEO)

Kirsten Dirksen | Posted 12.20.2011 | Green
Kirsten Dirksen


Velomobile Burns Calories Not Gas, Secure Like a Car (VIDEO)

Kirsten Dirksen | Posted 09.17.2011 | Green
Kirsten Dirksen

The smallest car-looking vehicle on the streets of New Jersey.