Lazytown Classroom

[chuft]

It appears the physics concept of absolute rotation - does rotation exist absent other bodies to rotate relative to - is controversial and debated.

https://en.wikipedia.org/wiki/Absolute_rotation

It can be measured by people on the surface of a rotating body like Earth - but there are other forces at work like gravity that cloud the picture.

[chuft]

Came across this while reading a thread of people complaining that computer cases now come with glass instead of acrylic.