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Chapter 458 Alien intelligence
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Chapter 460 black ball
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... o alloys with iron and other metals.
After the overtime efforts of the research department, a piece of poor alloy was finally produced, only the size of a coin.
This poor coin is only the size of an ordinary one-dollar steel coin, but it is extremely resistant to high temperature and wear. After testing, an assault rifle cannot penetrate it, and there is not even a trace of it.
Not only that, it is also a supermagnetic material, which is an excellent electromagnetic g ...
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