I Have a Technology Tree

There is a technology tree in my mind. You can click on it casually, even from top to bottom! "Mr. Su! What do you think of the extremely glorious titles of contemporary Edison and contemporary Einstein?" "Any life is an independent individual and a legend, but some are vigorous and some are just plain. I don't like these names. I am who I am! Different fireworks!" "Then, as the lord of Sky City, why is one of the most expensive items not open to the public?" "That's hers, hers alone, Fairy Tale Town!" New book for newcomers! Ask for everything! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.