Solar panels perched on the roofs of houses and other buildings are an increasingly common sight in the U.S., but rooftop wind systems have never caught on. Past efforts to scale down the towering ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There are lots of way to learn first-hand the principles of flight ...

What makes an airplane fly? How does a spacecraft stay in orbit? Why does a balloon float in the air? These and many other questions are answered in the How Things Fly website, a companion to the ...

Despite modern navigational apps, proficiency in filing and activating flight plans, and obtaining flight following remains a checkride requirement for private pilots, as per Airman Certification ...