What do you think?

The trampoline view of space time is why I developed the fluid dynamic fabric of space. The fact that space is not rigid plane like the trampoline analogy, but as fluid dynamic properties. my math backs this up… The trampoline just doesn’t do the fabric of space justice.

Would America be better off if more people worked in manufacturing?

Absolute, misleading, laughable BS nonsense. The Rebirth of Classical Physics: Time, Light & Gravity

This of course is a much more simplistic representation of general relativity to help people understand the concept at the base level. In reality, it's much more complex and sophisticated as the "sheet" so to speak is the 4D space-time continuum

It's a demonstration of gravity using gravity, which makes no sense. If he wants to show that gravity is actually curvature of space, the demonstration should also work with the surface turned up side down, but it doesn't. It would if he used a model car instead of a ball.

Gravity is the difference between the attraction of opposite charges and the repulsion of like charges. Attraction is slightly stronger. Not charged particles are actually charged equally positively and negatively. So interaction still happens and gravity is the result.

That demonstration seems to me to beg the question. It claims to demonstrate the origin of gravity in curvature, but it relies on gravity's already existing.

Gravity is just a hoax. it's not even a good theory

Exactly, it is the explanation that comes closest to reality, to have anti-gravity engines we must create a force greater than that exerted by the mass of the earth in the SPACE-TIME canvas, so we could easily escape from the gravitational field. Future is NOWWWW🚀🚀🚀🚀

One of the most hackneyed and yet misleading metaphors ever.

This kind of visualization of gravity is very misleading.