#### New Foundation Model infographic

The New Foundation Model infographic is a brief introduction to the physical world in natural units.

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## Articles

## What is momentum?

Momentum is a central concept in both classical and modern physics. It tells us something about the force that a massive...

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## Here’s why the fundamental constants are not fundamental

Planck's constant and the gravitational constant are considered fundamental constants of nature. Both are instrumental in calculating physical quantities, but what...

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## Why is gravity so weak?

One of the pressing questions in modern physics is why gravity seems so much weaker than the other forces. Compared to...

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## What is the physical meaning of Einstein’s famous equation 𝐸=𝑚𝑐²?

Einstein's iconic equation 𝐸=𝑚𝑐² is perhaps the most recognized equation of all time. It is famously simple and profound. Ask anyone...

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## What is Planck’s constant?

Planck's constant is the famous constant of proportionality discovered by Max Planck at the end of the 19th century. The constant...

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## What is the gravitational constant?

The gravitational constant is a number. What sets it apart from other numbers is that you can multiply the gravitational constant...

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