What were some of the most important inventions of the 20th century other than internet?
That's not really advice OP, I recommend going to
/g/
Nuclear power you piece of shit. Did I do your highschool homework for you?
>>17105166
Cell phones, aircraft, helicopters, turbine engine.
Air conditioning.
The no fap movement
The home refrigerator, the home laundry machine, broadcast radio, the artificial satellite, and the atomic bomb.