- Science Blog
- By Lucian Parfeni
- July 13th, 2013
The First Human-Powered Helicopter Wins 33-Year-Old Prize – Video
The contraption has a 47-meter wingspan but weighs just 54 kilograms
- Nano-Biotechnology
- By Gabriel Gache
- May 14th, 2008
World's Smallest Helicopter to Visit Its Original Designer's Homeland
GEN H-4 will be presented this month in Florence, Italy
- Nano-Biotechnology
- By Gabriel Gache
- April 30th, 2008
Sikorsky Aircraft Adopts X2 Technology
First flight still to be scheduled