Searching for the graviton

Chapter 1

The puzzle of gravity

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Chapter 2

The quantum clash

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Chapter 3

Vibrating strings and extra dimensions

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Chapter 4

The ultimate cosmic detective work

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YOUR GOAL

Master of Searching for the graviton

Ch 1 · The puzzle of gravity

hue Meet the hypothetical graviton

hue The standard model missing piece

Meet the Gravitons

hue Meet the Gravitons

hue The force we feel every day

hue Graviton

Spin of two, spin of two! Massless waves are pulling you!

hue Why we need a quantum messenger

Meet the hypothetical graviton

hue Meet the hypothetical graviton

Fun Fact

Graviton speed: If gravitons exist, they must travel at exactly the speed of light, meaning a change in Earth's gravity would take 8 minutes to reach the Sun.

The standard model missing piece

hue The standard model missing piece

Glossary

graviton (noun)
A hypothetical elementary particle that mediates the force of gravitation in quantum field theory. Physicists propose this particle to reconcile quantum mechanics with Albert Einstein's 1915 theory of general relativity.

Quiz

If the Sun suddenly vanished, how long would it take for Earth to feel the gravitational change?

Gossip

Which fundamental force is the coolest?

Quiz

What kind of mass is a graviton predicted to have?

Quiz

In what year did Isaac Newton publish his mathematical description of gravity?

Quiz

Which particle carries the electromagnetic force in the Standard Model?

Quiz

What is the theoretical quantum "spin" value of a graviton?

Quiz

What is the name of the master framework of particle physics that currently excludes gravity?

Quiz

How much weaker is gravity compared to electromagnetism?

Quiz

What is the ultimate goal of combining quantum mechanics and gravity called?