The team’s orb rolled vertically at a rate of about 0.5 millimeters per second. Regardless, Mitra and colleagues wrote that their observation “challenges our basic understanding of physics,” with ...

THE CURVE BALL. Share full article. Aug. 13, 1883. Credit... The New York Times Archives. See the article in its original context from August 13, 1883, Page 5 Buy Reprints. View on timesmachine.