
Several Chinese scientists have proposed a submarine vacuum rail project that runs at a theoretical speed of 2,000 kilometers per hour, twice as fast as the Hyperloop concept initiated by Elon Musk.

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China must build more submarines able to launch nuclear missiles.
500 such mn will be goo enough to deter the US from poking its
nose into Taiwan,
Make no mistake the US is the biggest threat to the national security
of China.Unaccepatbel damage of the US aint good enough. China must have the capability to destroy 50 % of it. Of course China could be destroyed .
Btw,the Us will no more be immune from retaliation shd it launch an attack on China.Those days are long gone.
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