Papermaking, printing, gunpowder, compass, porcelain, paper money, abacus, iron plow, wheelbarrow.

More recently, net-positive thorium-salt fusion reactors

Molten salt reactors are fission reactors.

Whups, yes, my bad. Must have been tired when I wrote that.

Anything in the last 100 years?

I guess you haven't heard about their clean energy sector

Sure, and google "invented" android.

Chinese EVs are more technicly advanced than Western EVs.

That is a somewhat broad claim that needs decomposing. I would agree that Chinese EV industry is quite more advanced in terms of manufacturing processes and cost optimization, but that is not "technically" more advanced per se, its just a reflection of a culture. Maybe the salt batteries will be a breakthrough, but at least for me it has been difficult finding reliable data on it; Other than that, afaik (and from a layman perspective) there isn't anything inherently superior in chinese EV vehicles from a technological perspective, when compared to western counterparts. Cheaper, yes. But thats about it.

They're already 50 years ahead of us on flying cars.

Every car is a flying car if you use it wrong enough