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If someone asked me what I regret most in my life after time travel, I think it might be my family history, which is still recorded in various records. For example, the history of empires currently taught in the academy is written like this: Sun God of War, pioneer of the human race, genius inventor, pioneer of the new era... (50 Words omitted here) Archduke Luther Sears. It can be said that everyone knows about Archduke Sears, but his growth experience was very tortuous. And what's shocking is that his first pot of gold was actually earned from selling toilets, which also made him...

After graduating from high school, Qian Hao started running a store that had been passed down from generation to generation in his family. An accidental opportunity activated his old optical brain. Unexpectedly, it brought him an unexpected surprise. As long as you are willing to learn and practice, you can learn complex technologies, and after 10,000 hours, he became an expert in this field. Exoskeleton armor? Too simple! Individual combat weapon? That's a bunch of drawings! Hybrid suit? That's out of date! What, you want me to design the latest inter-star battleship? Well, this is quite a challenge. Wait for me for a while...