Why entanglement cannot send messages faster than light

Entanglement cannot send messages faster than light

Entangled particles can produce strongly linked results even when they are far apart. But nobody can choose the result of an individual measurement. Because the outcomes cannot be controlled, entanglement by itself cannot be used to send a message faster than light.

A galaxy can be as wide as the Milky Way but contain far fewer stars

An ultra-diffuse galaxy can spread across an area about as large as the Milky Way while containing only about 1% as many visible stars. A galaxy can therefore be enormous but extremely faint.

A constant compass direction does not give the shortest route

A ship that keeps exactly the same compass direction does not usually take the shortest path across Earth. Its route curves around the globe while crossing every north–south line at the same angle. This path is called a loxodrome.

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Why entanglement cannot send messages faster than light

Entanglement cannot send messages faster than light

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