## Temperature ( ... spit image of spacetime)

In science physics, air temperature is occurring as the air molecules' average speed. The air we breathe is made of Nitrogen (N) and Oxygen (O) molecules constantly moving around and in all directions as illustrated on the left.
Within a room the greater the air molecules' speed, the higher the temperature. And no matter the entity considered, whether visible material body or invisible material gaz such as air, the temperature is a function of the molecules average speeds and directions.
Because the air molecules are material entities, they are represented here on your left in black. Along science's average speed interpretation, temperature is motion in gravimotion interpretation of Nature; the motion-volumes animating molecules are relative-motion-volumes and are as real as the molecules' matter.
While we humans can usually not see heat, we can feel the effect of these invisible relative-motion-volumes (effect of air temperature) through our human skin.
In the right illustration, the Nitrogen (N) and Oxygen (O) molecules have desappeared, the relative-motion-volumes only are represented.
And because not material, these relative-motion-volumes are represented here in blue.

In gravimotion interpretation of Nature, even though invisible, temperature's relative-motion-volumes, just as light's absolute-motion-volumes are real entities to be accounted for.

## Temperature's motion-volumes mathematics (can be skipped)

Using physics' conventional quantities, units and mathematical operations, one can show that our concept of temperature denoted here Θ (read theta) is equivalent to a speed squared: Θ = v2.
In the following, English's decimal comma and point are in use. They coincide in that order respectively to French's decimal point and comma; 4,184 in this page is in France written 4.184. An "x" express a multiplication, "/" express a division.
The Calorie, an old unit of energy, has been redefined as being equivalent to 4.2 Joules. 1 calorie (thermo chemical) = 4.184 joule exactly.
1 calorie = 4.184 joule (1)
The Joule also a unit of energy, itself equivalent to a force multiplied by distance, is defined as 1 Joule = 1 Newton x 1 meter.
1 calorie = 4.184 x 1 Newton x 1 meter (2)
The Newton a unit of force, itself equivalent to the acceleration of matter, is defined as 1 Newton = 1 kilogram of matter accelerated at the rate of 1 meter per second second.
1 calorie = 4.184 x 1 Kg x (1 meter/ 1 sec sec) x 1 meter (3)
But the calorie a unit of heat (heat being a specific form of energy), is defined as being the heat added to one gram of water to raise it from 14.5 to 15.5 degree Celsius.
1o Celsius x 1 gram = 4.184 x 1 Kg x (1 meter/ 1 sec sec) x 1 meter(4)
or:
1o Celsius x 1 gram = 4.184 x 1000 gram x (1 meter/ 1 sec sec) x 1 meter(5)
which can be rewritten:
1o Celsius x 1 gram = 4,184 gram x (1 meter/ 1 sec sec) x 1 meter(6)
or:
1 gram x (1o Celsius / 4,184) = 1 gram x (1 meter2 / 1 sec2)(7)
considering 1 gram is a unit "m" of a body's mass, that "1 meter2 / 1 sec2 = v2", and that "1o Celsius / 4,184" is a temperature Θ:
m x Θ = m x v2 abbreviated m Θ = m v2(8)
And making abstraction of the mass "m", or dividing both sides by "m":
Θ = v2(9)
A temperature Θ, which involves an object's particles' motions coincides to relative-motion-volumes v2.
This brings to mind science's kinetic energy 1/2mv2 and Einstein's equation mC2.

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