Communism

We invented the car

Modern physics.

Socks in Sandals

kindergarten https://en.wikipedia.org/wiki/Kindergarten

The no card payment sign.

Diesel engine, Mustard gas, and Synthetic fertilizer.

Stable Diffusion
Those same folks went on to create FLUX.

I'm loving it.

Gorilla Glass (the super strong glass used in most cell phone screens) was invented by East Germany after the war, before the wall fell.

Since folks have left me the easy ones, a fair number of things ending in "wurst," like Weißwurst.

Gutenberg printing press

The US Army. Given the history, you might expect it to based on either the French or British model, but no, they mostly took notes from Prussia.

You might also think it's a very top-down authoritarian model for a military, but also no. That notion mostly comes from the legacy of Nazis. Both before and after, the German model of the Army is one of the least top-down authoritarian militaries.

The Berlin Wall, putting beach towels on recliners at the crack of dawn, sauerkraut, lederhosen, frankfurters, doner kebabs, hamburgers, donuts, cheese, iron gates, macerated cherries, aardvarks, the car, the bicycle, diesel, the moon, beer, lager, tamagotchi, the letter 'a', the number 25, serrated saw blades, cantilever bridges, ice cream, hand lotion, galoshes, the ipod, bilateral symmetry, the dawn, goths, the parachute, that sizzling noise meat makes when you fry it, hats, gloves, left socks, altitudes over 1,773 feet, postmodernism, and geese.

Rockets

Zyklon B, E605

V2 rockets

TV and TV propaganda

Automatic Transmission

SAP (maudits allemands !)

Flammable "Fertilizer."

The Haber process.

Assault rifles

Gummy Bears.

The Zweihänder and Aldi

Ps: I DuckDuckGo’ed this

Printed circuit boards. Printing press. Graph theory. Theory of relativity. Homeopathy.

Nowadays we invent things by describing the thing in Chatgibidy instead.