Which famous physicist calculated that a lightbulb's volume of vacuum
Chapter 1

The quantum soup of empty space

Chapter 2

The power of nothing in art and architecture

Chapter 3

Inventing the zero and the philosophical void

Chapter 4

The cosmic vacuum and the birth of everything

YOUR GOAL

Master of The secret life of empty space

Ch 1 · The quantum soup of empty space
007skaty

007skaty The physics behind the search for completely empty space

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007skaty The Quantum Vacuum

Empty space is never really still— (oh no) / Virtual photons bubble up and fill— (oh yeah) / Pushing gold-coated plates closer still— (closer still)

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Even when everything is stripped away, a quiet, underlying activity remains.

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007skaty The Casimir effect squeezes plates together inside a vacuum

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The hunt for a perfect vacuum

007skaty Extreme chambers reach pressures lower than the Moon's atmosphere, but thermal radiation, stray photons, and quantum fluctuations prevent

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The Casimir effect squeezes nothingness

007skaty Two polished metal plates stand nanometers apart under warm, natural light.

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Little Void Soup
BETA

007skaty Stir ingredients into the void soup to discover how empty space holds endless potential.

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Fun Fact

Vacuum energy: Physicist Richard Feynman famously calculated that the quantum energy contained within the empty space of a single lightbulb is enough to boil all of Earth's oceans.

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Glossary
vacuum energy (noun)
The underlying background energy that exists in space even when devoid of all matter. In 1948, physicist Hendrik Casimir predicted this phenomenon could exert a measurable force on uncharged metal plates.

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Gossip

Would you spend a week in an absolute vacuum chamber if safe?

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Quiz

What is the process called when virtual particles and antiparticles collide and disappear?

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007skaty Virtual particles constantly blink in and out of empty space.

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Quiz

Which facility in Switzerland creates vacuums emptier than the atmosphere of the Moon?

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007skaty The invisible Higgs field fills the empty void of space.

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Quiz

Why is a 100% perfect vacuum impossible to achieve even if all atoms are removed?

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Quiz

According to quantum field theory, what constantly pops in and out of existence in a vacuum?

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Quiz

What invisible cosmic field filling all empty space gives mass to fundamental particles?

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Quiz

In what year did Hendrik Casimir predict that two metal plates in a vacuum would be pushed together?

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Quiz

What force pushes two closely spaced metal plates together in the Casimir effect?

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Quiz

Which famous physicist calculated that a lightbulb's volume of vacuum contains enough energy to boil the oceans?

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