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Q & A: What are photons made of?

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Most recent answer: 12/21/2016
Q:
Is photons made up of something? i mean, everything is made up of atoms, so photons must be made up of something. please answer.
- Bibhu Biswajit (age 13)
754223
A:

It's definitely not true that "everything is made up of atoms".

At our current level of understanding, photons are basic ingredients of the world, not made of anything else. We've discussed this issue here: https://van.physics.illinois.edu/qa/listing.php?id=2000.

Mike W.


(published on 12/21/2016)

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