3 ms·

Anyway I got my answer. The answer is, no one has done it, and people are too arrogant to try it because they seem to think stars can exist without neutrons, ev

• gus_massa 4y ago
  > Anyway I got my answer. The answer is, no one has done it Cavendish experiment with Hydrogen <--> Hydrogen: I agree, probably no one has done it. But your proposal must change the result of experiments with balls of Iron instead of balls of Plumber. That's much easier, and I'm sure someone has done it, but I can't find a good example in Google. It's a tricky experiment, so it would be nice if you try, but beware it's difficult. After thinking for a while, I notice your proposal would change the time of oscillation of a pendulum. The standard formula is T = 2π sqrt(L/g) but it can be rewritten as T = 2π sqrt(L/(W/M)) where W is the weight and M is the inertial mass. The standard theory says that W/M has the same value for all materials and is usually called g. Your theory predicts a 3% difference for iron and plumber IIUC. The usual pendulum with a ideal string and a ideal ball has some problems, because it's difficult to measure the "center" and get a high accuracy. But there are better solutions that use a solid big rod and measure the different times hanging the rod from a few points instead of one, for example https://en.wikipedia.org/wiki/Kater%27s_pendulum https://en.wikipedia.org/wiki/Kater%27s_pendulum . I used a similar device in the past, but we used more points and it was just a rod instead of a profesiona device. It's not difficult to build one of this pendulums with different materials and measure the W/M of different materials yourself.