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Elon Musk: We'll hopefully demonstrate orbital propellant transfer next year.
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Elon Musk: We'll hopefully demonstrate orbital propellant transfer next year.
“One of the other technologies that's key for Mars is doing orbital propellant transfer. So you can think of this like similar to aerial refueling for airplanes, but in this case it's orbital refilling
btc
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twitter.com)
00:01:28
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This is how the headquarters of Ukraine’s government now looks after this morning's Russian attack. Our whole team works in this building daily. Fortunately, no one was injured. Russian barbarism will not halt the work of Ukraine’s government.
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This is how the headquarters of Ukraine’s government now looks after this morning's Russian attack. Our whole team works in this building daily. Fortunately, no one was injured. Russian barbarism will not halt the work of Ukraine’s government.
The walls will be repaired, they
时政
(
twitter.com)
00:00:43
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EXCLUSIVE: Katherine Maher says the "the number one challenge" in her fight against disinformation is "the First Amendment in the United States," which makes it "a little bit tricky" to censor "bad information" and "the influence peddlers" who spread it.
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EXCLUSIVE: Katherine Maher says the "the number one challenge" in her fight against disinformation is "the First Amendment in the United States," which makes it "a little bit tricky" to censor "bad information" and "the influence peddlers" who spread it.
NPR's censor-in-chief.
btc
(
twitter.com)
00:00:31
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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with…
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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with…
有趣
(
twitter.com)
00:00:30