Future Black Technology

I have a dream every night, dreaming about an elementary school classroom a billion years from now. The elementary school kids there are pretty awesome. What atomic bomb, hydrogen bomb. "Aren't those the firecrackers we played with?" The primary school student blinked his innocent eyes. What's tip 20, tip 30. "Isn't that the airplane model we played with?" The child looked at him strangely. What 5nm chip technology. "Any student in our classroom can play with that thing, and it can be as precise as 1nm." "..." With the knowledge of these primary school students, what can I do in modern times? Ask online, it's quite urgent... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.