John L. “Jack” Swigert was one of three astronauts aboard the ill-fated Apollo 13 mission, which launched on April 11,…
In 1609, Galileo improved the newly invented telescope, turned it toward the heavens, and revolutionized our view of the universe.…
The honeycombed, screened center of this open-circuit air intake for Langley’s first wind tunnel insured a steady, nonturbulent flow of…
