Adding to this, maybe "true" is a bit of a loaded word. Newtonian mechanics works just as well today as it ever did. I prefer to think of it in terms of usefuln

Adding to this, maybe "true" is a bit of a loaded word. Newtonian mechanics works just as well today as it ever did. I prefer to think of it in terms of usefulness. 18th century knowledge is like a Pentium 3 that we just don't want anymore.