>> and there is no absolute zero in the system.

> There maybe is. I think we call that "blind."

If you go looking into that, you'll see that the reality is far far more complex [0]

"The number of people with no light perception is unknown, but it is estimated to be less than 10 percent of totally blind individuals."

[0] https://chicagolighthouse.org/sandys-view/what-blind-people-...