340 Hits
R. Vinayagamoorthy
Dec 12, 2021, 3:21 AM
The Ingenuity Mars helicopter was never supposed to last this long. NASA engineers built and tested the first self-powered aircraft to fly on another planet to answer a simple question: Could the helicopter fly at all? The goal was to take five flights in 30 Martian days or break the aircraft trying.
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330 Hits
R. Vinayagamoorthy
Dec 11, 2021, 1:14 PM
American shoppers, especially those on low incomes have felt the pinch of higher prices, with annual inflation at rates not...
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