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100

This inventor, born in 1847 in Milan, Ohio, spent his early years as a traveling salesman on the railroad, where he built a mobile laboratory.  

Who is Thomas Edison?

100
The home to a powerful chemical industry during the second industrial revolution, with companies like BASF.

What is Germany?

100

A conflict between alternating current and direct current during the 1880s.

What is the war of the currents?

100

This automaton was described in Edgar Allen Poe's essay "Maelzel's Chess Player.

What is the mechanical turk?

200

An immigrant inventor who tried to develop wireless power transmission and loved pigeons.

Who is Nikola Tesla?

200

The "invention factory" 

What is Menlo Park?

200

This decade saw the discovery of DNA and the rise of genetic research.

What is the 1950s?

200

This building material was vastly improved by the work of Henry Bessemer.

What is steel?

300

This immigrant inventor (1847-1922) was inspired by his experience with deaf education to develop a new method of communication.

Who is Alexander Graham Bell?

300

Edison's first commercial electrical power distribution center, located in New York's financial district.

What is the Pearl Street Station?

300

This message read: "What hath God wrought?"

What is the first telegraph message between DC and Baltimore?

300

Walter Benjamin discussed how this object disrupted the lifestyle of his bourgeois family in fin-de-siecle Berlin.

What is the telephone?

400
This architect and designer helped establish the Bauhaus in Germany in 1919.

Who is Walter Gropius?

400

This city hosted the 1893 Columbian Exposition.

What is Chicago?

400

The State of New York used this form of electricity to execute William Kemmler.

What is alternating current?

400

Tesla proposed this device to the US military during WWII.

What is a death ray?

500

This Czech playwright first introduced the world to the word "robot" with his play "Rossum's Universal Robots."

Who was Karel Capek?

500

This city is home to the Deutsches Museum, established by Oskar von Miller.

What is Munich?

500

An exposition at this museum was helped popularize Bauhaus design in the United States

What is the Museum of Modern Art (MoMA)?

500

This machine inspired the aesthetics of Italian Futurism.

What is the car/automobile?

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