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Elon Musk on reusable heat shields and Mars reentry:
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Elon Musk on reusable heat shields and Mars reentry:
— No one has created a truly reusable orbital heat shield before
— Reentry involves extreme heat and pressure — very hard to withstand
— Only advanced ceramics and carbon-based materials can survive it
— SpaceX aims to make
btc
(
twitter.com)
00:02:28
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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
(
twitter.com)
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Ukraine is ready for real decisions that can bring peace. Any decisions that are against us, any decisions that are without Ukraine, are at the same time decisions against peace. They will not achieve anything. These are stillborn decisions. They are unworkable decisions. And we
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Ukraine is ready for real decisions that can bring peace. Any decisions that are against us, any decisions that are without Ukraine, are at the same time decisions against peace. They will not achieve anything. These are stillborn decisions. They are unworkable decisions. And we
时政
(
twitter.com)
00:02:27
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‼️🇺🇸🇨🇳A Chinese company, Chang Guang Satellite Technology, has showcased its capabilities by recording a video of Atlanta’s busy airport.
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‼️🇺🇸🇨🇳A Chinese company, Chang Guang Satellite Technology, has showcased its capabilities by recording a video of Atlanta’s busy airport.
In the footage, aircraft taking off, landing, and even their speeds can be clearly observed. This demonstrates the power of China’s Jilin-1
时政
(
twitter.com)
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Dentist Lee Ying-chi , one of the first persons arrested under #Article23 over allegation of sedition , was stopped at Wan Chai Station by a number of men. She was just now taken into a room next to the station control room by a group of ppl including some uniformed police.
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Dentist Lee Ying-chi , one of the first persons arrested under #Article23 over allegation of sedition , was stopped at Wan Chai Station by a number of men. She was just now taken into a room next to the station control room by a group of ppl including some uniformed police.
时政
(
twitter.com)
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