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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
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twitter.com)
00:02:28
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The IDF Yahalom Unit continues to collect explosives and weapons of Hamas terrorists used for the October 7 massacre.
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The IDF Yahalom Unit continues to collect explosives and weapons of Hamas terrorists used for the October 7 massacre.
Soldiers discovered a child’s school bag laying in a field. The bag was booby-trapped, containing a remote-activated explosive device—weighing 7 kg.
Hamas…
时政
(
twitter.com)
00:00:27
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Why is half of the ship black and half of it is silver colored?
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Why is half of the ship black and half of it is silver colored?
that's because the bottom as seen from orbital entry is, has a heat shield on it. So the black there is the heat shield and then the core structure of the rocket is a special alloy of stainless steel and that's
btc
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twitter.com)
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How water reacts to the frequency of a Tibetan singing bowl thanks to the phenomenon of resonance.
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How water reacts to the frequency of a Tibetan singing bowl thanks to the phenomenon of resonance.
When the bowl is activated, it emits a frequency that propagates through the water.
This vibration creates visible movements on the surface; ripples, waves, and sometimes even
有趣
(
twitter.com)
00:00:12
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