Chapter 1
The ancient philosophical spark
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Chapter 2
Cracking the shell
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Chapter 3
Mapping the nucleus
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Chapter 4
The quantum cloud
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YOUR GOAL
Master of The story of the atom
Ch 1 · The ancient philosophical spark
testerr The Ancient Philosophical Spark
We're just tiny uncuttable pieces drifting through the void
testerr Powerful philosophers like Aristotle rejected the atom, causing the idea to be ignored for centuries.
Fun Fact
Ancient Greek atoms: Democritus believed iron atoms had hooks that locked them together, while water atoms were smooth and slippery.
testerr In ancient India, the philosopher Kanada independently conceived of indivisible particles called anu.
Glossary
atomism (noun)
The doctrine that physical matter is composed of simple, indivisible particles. Democritus formulated this doctrine in ancient Greece around 400 BCE to describe the nature of matter.
The doctrine that physical matter is composed of simple, indivisible particles. Democritus formulated this doctrine in ancient Greece around 400 BCE to describe the nature of matter.
Quiz
In which year was the lost manuscript of Lucretius's atomic poem rediscovered in a German monastery?
Quiz
Which ancient Greek philosopher was Democritus's mentor in developing early atomic ideas?
Quiz
Which ancient Indian philosopher independently proposed the concept of the indestructible particle "anu"?
Quiz
Why did atomic theory lose popularity in Europe for nearly two thousand years after 350 BCE?