Gravity - is it really there?

Kylie said:

You have not demonstrated that anything you've spoken about corresponds with reality. And all your responses consist of are sound bites. I see no reason to reply to anything you have to say until you can produce responses with some actual content.

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He's too busy crossing timelines...

JohnEmmett said:

just… skepticism

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I'm skeptical about that statement. No, really.

Can someone explain to me why there are an explosion of mental health service ads on my computer which only seems to occur in this thread?

sjastro said:

Can someone explain to me why there are an explosion of mental health service ads on my computer which only seems to occur in this thread?

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1. The ad trackers have you confused with JohnE.
2. The ad trackers are concerned about your interaction with JohnE.

[I don't even get ads, nor do I pay the owners for that privilege.]

JohnEmmett said:

just… skepticism



well skeptics have a negative attitude as well

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That's an awfully negative outlook you have there, JE. You should look at things more positively. Skeptics can help people avoid jumping to bad conclusions.

JohnEmmett said:

I should…?

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Skepticism isn't about denying something, it's about wondering whether there is an alternative. It opens up possibilities.

JohnEmmett said:

I am skeptical at times, however, I don't identify it as my philosophy

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I'd rather not identify it as my philosophy either, since I don't treat it as a philosophy, but there's no N/A option on this site, so skeptic is as close as it gets.

Hans Blaster said:

1. The ad trackers have you confused with JohnE.
2. The ad trackers are concerned about your interaction with JohnE.

[I don't even get ads, nor do I pay the owners for that privilege.]

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Over in the mainstream forum l have written about the training of AI systems can lead to AI exhibiting bias.
The ad trackers being driven by an AI algorithm has falsely identified me as being deluded for reading this thread and therefore require some serious help.

JohnEmmett said:

everyone has some amount of delusion

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Some appear to have more than others...

JohnEmmett said:

"Things are not always as they seem… the first appearance deceives many."

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"The first principle is that you must not fool yourself and you are the easiest person to fool." Richard Feynman

One thing I really do not get is the position there is no gravity and no upward acceleration, for accounting for the observable acceleration of any falling objects, manifest in any physics class in any school for any students, always 9.8 m/sec/sec.

Flat Earth ‘theory’ — why do some people think the Earth is flat? | Live Science

Why do I need anything to explain gravity? Gravity is explaining enough of other things, so many other things.

How does buoyancy work? I don't see it should work at all, it would really be arbitrary, without gravity. Why should "heavier" things go down displacing anything not as "heavy" without gravity? Gravity is involved in why things are heavy. Without it, things are just more massive than other things. Falling down has no actual explanation, to reject an understandable explanation, in this case gravity. What proves there is no gravity?

The heaviness in the place of the same gravity does not change, there is the same attraction working on us downward when we would be submersed underwater. We can understand displacement, the same volume of water where we would be submersed is heavier, having more mass, and that will displace us, with the attraction it has, and all the rest of the water, downward in the same direction, which corresponds to the direction toward the center of the mass of the basically spherical earth, that is the effect known as buoyancy. I have never gone up in a hot air balloon. I still know it is the same thing, displacement, not just that of the people riding the hot air balloon, but they and the hot air balloon together with all that volume is not as heavy from the gravity as the same volume of air that is displaced, which will fall under the hot air balloon with the people riding it. The people in it to ride it will fall back to the ground, or maybe never leave it, if there is nothing adequately secure for what they stand on while they will ride the hot air balloon, gravity never stops during all that. Buoyancy only works with gravity. Buoyancy will demonstrably not work when anything is submersed in water away from the gravity of earth or any other body with significant gravity.

It is all about densities of entire systems that hold together, it is a body displacing what medium it is in, not just the lungs in the body.

Displacement only works for the effects with gravity, it is not explained another way. I hear gravity, which is effective on everything there is, around us and among heavenly bodies, the movement of which explained perfectly with gravity, being claimed to not exist, yet without any evidence or adequate explanation for dismissal.

There are observable things I have seen, like Foucault's pendulum, that really are convincing.

Demonstration of things is more convincing than things being claimed by others.

Physicists have measured gravity on the smallest scale ever | New Scientist