LtBadd wrote:Otto Nobedder wrote:I had no doubt some of you were familiar, but we have some newer entrants to machining with new (or new-to-you) equipment looking for projects and knowledge, so I had to share this guy.

Also, horology interests me.

Steve S

does that include "space time"?

"Gravity as Curved Spacetime. ... Gravity feels strongest where spacetime is most curved, and it vanishes where spacetime is flat. This is the core of Einstein's theory of general relativity, which is often summed up in words as follows: "matter tells spacetime how to curve, and curved spacetime tells matter how to move".

I think Einstein got it wrong. Close, but wrong. I think the current crop of astrophysicists chasing intangible "dark matter" and "dark energy" support my theory.

The graphic representation of matter in space-time is a "fabric", curved by the presence of matter, like a bowling ball on a trampoline (as an easy analogy). This assumes, both graphically and in his math, that space-time is an infinitely compressible fluid.

Place that trampoline fabric on a swimming pool, edges sealed... The water then represents an incompressible fluid. Put your bowling ball in the middle, and you still get curved space-time around the ball. What do you get, displaced some distance from the ball? Fabric above the zero point, sloping away toward the edge. This neatly explains matter in the universe moving apart and accelerating, and also explains the Pioneer anomaly, which future missions did not adequately investigate.

Steve S