It's the physical property that indicates the degree/intensity of heat present in a substance or an object. It can be expressed and measured according to various scales.

learn more… | top users | synonyms (1)

7
votes
5answers
2k views

Why doesn't air freeze?

I am in no way experienced in the Physics field so this question may seem a bit silly but i'd appreciate an answer :) Why doesn't air freeze?
5
votes
2answers
945 views

Why do frozen objects have a higher propensity to snap/break cleanly than non-frozen/warmer ones?

Why do frozen objects have a higher propensity to snap/break cleanly than non-frozen/warmer ones?
7
votes
1answer
1k views

What’s the relationship between thermal radiation and Johnson thermal noise?

All objects above absolute zero emit radiation due to random collisions between the atoms they are made of. The spectrum of radiation emitted varies according to the temperature of the object, I ...
2
votes
3answers
519 views

What does it mean a temperature of billions of degrees?

I read a few days ago that in the LHC temperatures of billions of degrees were achieved. I'm curious to know what does it really mean such a temperature? The concept of temperature is easy to grasp ...