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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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4 Essential Functions of Government according to Milton Friedman:
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4 Essential Functions of Government according to Milton Friedman:
1) Defense from foreign enemies.
2) Protect the individual citizen from abuse/coercion by other citizens.
3) Define the rules.
4) Judicial System: Mechanism for adjudicating disputes around the meaning of rules.
btc
(
twitter.com)
00:01:58