The Experimental Hypersonic Rocket Plane That Ushered in the Space Age
Chuck Yeager’s historic supersonic flight in 1947 set off a firestorm of research into flight beyond the speed of sound. The most ambitious of these projects was the X-15 program, a top secret USAF program that aimed to test the limits of Mach 7. In X-15: The World’s Fastest Rocket Plane and the Pilots Who…
Tech News
John Anderson and Richard Passman
Why It’s So Hard to Find Alien LIfe
A big reason why the Fermi paradox has punch is the matter of time. Max Tegmark gets into this in his excellent new book Our Mathematical Universe (Knopf, 2014), where he runs through what many thinkers on the subject have noted: Our Sun is young enough that countless stars and the planets that orbit them…
Space & Spaceflight
Paul Gilster - Centauri Dreams