In what decade did string theory gain major popularity among physicists?

Searching for the graviton

Chapter 1

The puzzle of gravity

Chapter 2

The quantum clash

Chapter 3

Vibrating strings and extra dimensions

Chapter 4

The ultimate cosmic detective work

YOUR GOAL

Master of Searching for the graviton

Ch 3 · Vibrating strings and extra dimensions
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hue Why gravity is so weak

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hue Gravitons and Extra Dimensions

We're stuck on a membrane of simple 3D, But gravitons drift where we can't ever see.

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hue The secret of extra dimensions

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Why gravity is so weak

hue Some physicists believe gravity feels weak because gravitons can leak out into other dimensions.

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The secret of extra dimensions

hue To make string theory work mathematically, our universe must have extra, hidden dimensions of space.

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Tiny Graviton Strings
BETA

hue Weave vibrating strings to learn how gravitons create the pull of gravity.

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Fun Fact

Hidden dimensions: String theory suggests there could be up to 7 extra hidden dimensions of space curled up smaller than an atom.

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Glossary
string theory (noun)
A mathematical theory in which fundamental particles are represented as tiny, one-dimensional strings. In 1969, Leonard Susskind proposed this framework, modeling gravitons as closed loops vibrating in ten dimensions.

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Gossip

Would you visit an extra dimension?

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Quiz

According to some theories, why does gravity feel so weak in our universe?

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hue Particles as tiny vibrating strings

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Quiz

How many dimensions does standard string theory require to function mathematically?

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hue Loop quantum gravity alternative

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Quiz

Which rival theory of gravity avoids extra dimensions by suggesting space is woven from loops?

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Quiz

What does string theory replace point-like particles with?

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Quiz

What is the 3D surface we live on called in higher-dimensional physics?

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Quiz

Why are the extra dimensions in string theory invisible to us?

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Quiz

In what decade did string theory gain major popularity among physicists?

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Quiz

What determines a particle's mass and charge in string theory?

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