AT THE START OF THE 1960s, THE SOVIET UNION LED THE WORLD IN ROCKETRY. BY THE END OF THE DECADE, AS AMERICAN ASTRONAUTS WALKED ON THE MOON, THE SOVIETS COULD BARELY KEEP THEIR ROCKETS FROM EXPLODING. WHAT HAPPENED?
How a Confederate officer invented the land mine and changed the face of warfare
Rock drilling is one of the world’s most ancient technologies—and a pre requisite for nearly all the others
WALTER CHRYSLER FELL IN LOVE WITH A CAR IN 1907 AND THEN LEFT RAILROADING TO CREATE THE THIRD-BIGGEST AUTO COMPANY AND THE BEST-ENGINEERED VEHICLES OF HIS DAY