Issues in the News moderator Kim Lewis discusses with VOA congressional correspondent Katherine Gypson and senior reporter for Marketplace, Nancy Marshall-Genzer, US President Joe Biden’s new vaccination goal and push to pass his infrastructure package, the GOP’s move to expel Congresswoman Liz Cheney from its leadership, Facebook’s decision to uphold a ban on former President Donald Trump for another six months, and more.
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First came the amazing pictures, then the video. Now NASA is sharing sounds of its little helicopter humming through the thin Martian air.NASA’s Jet Propulsion Laboratory in California released this first-ever audio Friday, just before Ingenuity was set to soar on its fifth test flight.The low hum from the helicopter blades spinning at more than 2,500 revolutions per minute is barely audible. It almost sounds like a low-pitched, far-away mosquito or other flying insect.That’s because the 4-pound (1.8-kilogram) helicopter was more than 260 feet (80 meters) from the microphone on the Perseverance rover. Martian wind gusts also obscured the chopper’s sound.Scientists isolated the sound of the whirring blades and magnified it, making it easier to hear.The sound was recorded during the helicopter’s fourth test flight on April 30.Ingenuity — the first powered aircraft to fly on another planet — arrived at Mars on February 18, clinging to Perseverance’s belly. Its first flight was April 19; NASA named the takeoff and landing area Wright Brothers Field in honor of Wilbur and Orrville, who made the world’s first airplane flights in 1903. A postage-stamp-size piece of wing fabric from the original Wright Flyer is aboard Ingenuity.The $85 million tech demo was supposed to end a few days ago, but NASA extended the mission by at least a month to get more flying time.Friday afternoon’s test flight was aiming for twice the altitude — as high as 33 feet (10 meters). The helicopter was also headed to a new touchdown spot.With the helicopter’s first phase complete, the rover can now start hunting for rocks that might contain signs of past microscopic life. Core samples will be collected for eventual return to Earth.
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Will Pomeranz, deputy director of the Kennan Institute at the Wilson Center, and Andrea Kendall-Taylor, senior fellow and director of the Transatlantic Security Program at the Center for a New American Security (CNAS) discuss with host Carol Castiel the significance of Secretary of State Antony Blinken’s visit to Ukraine as Washington shores up support for the beleaguered former Soviet state as it faces Russian aggression in the East and as the US counters Russian malign activities with wide-ranging sanctions for Moscow’s interference in the 2020 US elections and hacking of government and private sector entities.
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Національний банк України встановив на 11 травня курс 27 гривень 76 копійок за долар
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Станом на 1 квітня в Україні в обігу перебувало готівки на 553,8 млрд грн
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Національний банк України встановив на 7 травня курс 27 гривень 72 копійки за долар
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Угода про асоціацію України та ЄС передбачає перспективу укладення угоди про «промисловий безвіз»
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