(Nanowerk News) Eight active spacecraft, including three operated by NASA, orbit Mars, gathering imagery of the planet's surface at a resolution of about 1 foot per pixel. Three rovers traverse the ...

Advances in laminar-flow airfoils and composites have sparked a renaissance in sailplane design. And no company seems to have exploited these two technologies more adeptly than Windward Performance in ...

Sailplaning - unpowered flight - is an expensive pastime. There are several sailplane categories: Open, 15-meter, Standard and Ultralight. Large, high-performance Open-class sailplanes sport wingspans ...

"This book, Volume 1 of a projected series, describes and illustrates more than 120 types of sailplane[s] ... "--P. [4] of cover. https://siris-libraries.si.edu ...