we don't have particle for gravity, but we also don't have particle for temperat... | Hacker News

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		rommel917 on June 16, 2020 \| parent \| context \| favorite \| on: Gravity Is Not Like the Other Forces we don't have particle for gravity, but we also don't have particle for temperature. we just define it as statistical value of multiple particles and everybody is happy and don't search for some tempon particle. Maybe mass is also some statistical property of group of particles. Couple of weeks ago there was post on HN about it.

saagarjha on June 16, 2020 | [–]

Temperature is usually exchanged through electromagnetic interactions.

raattgift on June 16, 2020 | | [–]

> usually

What's the temperature of the cosmic neutrino background now and at decoupling?

Ancalagon on June 16, 2020 | [–]

infrared radiation is just photons...

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