I Built a Nuclear Bomb at the Age of Five, and You Sell Me as Scrap Metal?

[Era] [Black Technology] [Cute Baby] [Great Power Heavy Industry] [Shuangwen] Lin Xiaotang, a top scientist who was rubbing an anti-matter engine with his hands, was sent back to the 1980s by a leaky refrigerator because he wanted to drink happy water! Start in hell mode: A five-year-old orphan, her parents are dead, she is locked up in a pig pen by her best relatives, and they want to sell her and the top-secret nuclear weapons blueprints left by her parents as scrap paper to a rag collector? Or even sell her to a fool as a child bride? Looking at the broken copper and iron all over the ground, the [All Things Mechanical Reconstruction System] was activated!