Why Is It So Hard to Build an ICBM?

The video discusses the complexities of intercontinental ballistic missiles (ICBMs), focusing on North Korea's missile tests and the engineering challenges involved in creating these weapons. It explains the design of nuclear warheads, including miniaturization and the use of fission and fusion reactions. The video also covers the difficulties of missile reentry and trajectory control, emphasizing the need for lightweight heat shields. Finally, it concludes with a discussion on the potential threats posed by ICBMs and the importance of understanding these technologies.

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