Relativity & Time
Classic Philosophy
Paradoxes
Materials & Matter
Weird Art Movements
100

Which scientist developed the theory of relativity?

Albert Einstein

100

Which philosopher was executed by drinking hemlock?

Socrates

100

The chicken-or-egg problem is a classic example of what kind of dilemma?

Causality dilemma

100

What one-atom-thick sheet of carbon is known for strength and conductivity?

Graphene

100

What art movement is associated with dream logic and melting clocks?

Surrealism

200

What is often described as the universe's ultimate speed limit?

Speed of light

200

What school did Aristotle found in Athens?

Lyceum

200

What infinite-room thought experiment was created by David Hilbert?

Hilbert's hotel

200

What metal is liquid at room temperature?

Mercury

200

Dada emerged partly as an anti-art reaction to which conflict?

World War I

300

What effect makes time pass differently near very massive objects?

Gravitational time dilation

300

Who wrote the famous idea often phrased as 'I think, therefore I am'?

Rene Descartes

300

What paradox asks about a barber who shaves everyone who does not shave themselves?

Barber paradox

300

What scale ranks minerals by scratch hardness?

Mohs scale

300

Which artist signed a urinal as the artwork Fountain?

Marcel Duchamp

400

The twin paradox usually involves travel at what kind of speed?

Near-light-speed travel

400

Who founded Stoicism in ancient Athens?

Zeno of Citium

400

Which Zeno paradox argues that a flying projectile is motionless at each instant?

Arrow paradox

400

What alloy is mainly copper and tin?

Bronze

400

What Japanese repair art uses lacquer and powdered precious metal?

Kintsugi

500

What theory describes gravity as the curvature of spacetime?

General relativity

500

What Buddhist doctrine means there is no permanent, unchanging self?

Anatman

500

What paradox involves a prisoner surprised by the day of an announced execution?

Unexpected hanging paradox

500

What cornstarch-and-water mixture behaves as a non-Newtonian fluid?

Oobleck

500

What movement used mass-media imagery, advertising style, and irony?

Pop art

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