(July 22, 2019 at 11:15 pm)Bucky Ball Wrote:(July 22, 2019 at 10:36 pm)polymath257 Wrote: The one set has a higher average kinetic energy than the other: you add up the the kinetic energy and divide by the number of atoms/molecules.
Yes, linear accelerators are smashing particles together to better learn the characteristics of their interaction (including how they form more complicated aggregations).
There are quantum particles. Such particles have properties, like spin, charge, momentum, energy, parity, mass, etc. Those properties determine how those particles interact with other particles. We are attempting to learn the specifics of those interactions. Note that energy is *one* of those properties. It is not, itself, fundamental in any way that is different than, say, charge, or spin.
But you can add just energy to the system. It is *something*.
No. The fact that you can change the properties of particles does not make the properties “something” separate from the particle. It is still nothing but an attribute of something else that is something.