Hacker News Comments on "Does Gravity Require Extra Dimensions?" PBS Space Time Youtube Video

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Hacker News Comments on
Does Gravity Require Extra Dimensions?

PBS Space Time · Youtube · 6 HN points · 1 HN comments

HN Theater has aggregated all Hacker News stories and comments that mention PBS Space Time's video "Does Gravity Require Extra Dimensions?".

Youtube Summary

It’s been 120 years since Henry Cavendish measured the gravitational constant with a pair of lead balls suspended by a wire. The fundamental nature of gravity still eludes our best minds - but those secrets may be revealed by turning back to the Cavendish experiment. That steampunk contraption may even reveal the existence of extra dimensions of space.

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Jun 16, 2020 · wnevets on Gravity Is Not Like the Other Forces

PBS Spacetime had a good episode about this IMO.
https://www.youtube.com/watch?v=z91oGI5aP0A

Does gravity require extra dimensions?

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May 28, 2020 · 6 points, 2 comments · submitted by mbroncano

⬐ cthalupa
PBS SpaceTime is such a treasure and wonderful example of what YouTube can be.
I highly recommend anyone interested in cosmology, astrophysics, and theoretical physics follow them - informative videos that are very well presented.

⬐ blackrock
I always wondered if gravitational fields are more like the electromagnetic field lines.
But instead of only being polar based, north and south poles, the gravitational field lines instead would emanate everywhere in all 3 dimensions.
So that no matter where you are on the surface of the planet, you will always be at the converging point of your field line. Hence the term, being at the bottom of the gravity well.
And other things, like mass, will affect the strength of such gravitational field lines.

Hacker News Comments on Does Gravity Require Extra Dimensions?

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Hacker News Comments on
Does Gravity Require Extra Dimensions?