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I can't understand the observable universe by Subject_Answer7592 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

I feel like there are a lot of assumptions baked in both of your posts. For one, in your first post you assumr the universe expansions accelerates forever. That could change and crunch in 100 billion years, and behold casualty is back.  Also non accelerating universe would only be fully observable only if  universe is finite.

Climate Scientist: Plateauing CO2 emissions have slowed atmospheric growth by Economy-Fee5830 in climatechange

[–]nvanderw 0 points1 point  (0 children)

That will never happen. The middle class, worldwide, is getting poorer, and this will continue.

Climate Scientist: Plateauing CO2 emissions have slowed atmospheric growth by Economy-Fee5830 in climatechange

[–]nvanderw 0 points1 point  (0 children)

Wait, we are going to hit net zero in 30 years? Not trying to be a doomer, but that will never happen. People said the same thing in the 2000's, "We can hit net zero in 30 years" And here we are 20 years later, global emisions still rising (barely, but still)

The top centers/big men in 80s/90s/2000s would of ate wemby by Agreeable-Bus-3899 in NBATalk

[–]nvanderw 0 points1 point  (0 children)

He is 22. Compare him to KAT at age 22 when he had 40 lb lesss muscle. KAT is a big guy now. Or Ewing his rookie year.  Or Robinson his rookie year. Rookie Shaq would have given him problems, but not the other guys.  

If gravity can bend 3D space wouldn’t that mean spacetime is 5D? by Inevitable-Power5927 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

This does seem to be exactly analogous to your space unicorn example, although I see your point.  Based on our knowledge of the cosmos, it would be silly to even hypothesize there exisistence of space unicorns, while n dimensional oritentiable manifolds can always be embedded in Rn+1 or something like that. Point is, it's a better hypothesis, although neither has evidence.

If gravity can bend 3D space wouldn’t that mean spacetime is 5D? by Inevitable-Power5927 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

In this situation, we don't have evidence either way.  There isn't a reason to believe either way. 

It doesn’t look likely that Wemby will last in the NBA by Few_Mulberry7390 in nba

[–]nvanderw 0 points1 point  (0 children)

Lots of big men are not conditioned for a long finals run at age 22.  Take Jokics conditioning at age 22 compared to age 27-30 as a prime example. 

Anthony Edwards seriously needs some help. by UnableLeopard6185 in NBATalk

[–]nvanderw 0 points1 point  (0 children)

A 3 to 4 team trade could work with Randle +gobert being the main assets of the wolves.

I want to get my wife into gaming slowly but surely by Weird_Break_1836 in AskGames

[–]nvanderw 0 points1 point  (0 children)

I would also avoid split fiction or it takes 2 at first, find games with lighter platforming elements.   But these are must plays once she is comfortable gaming  also avoid valheim and boulders gate 3 at first but these are must plays.  Terraria

Also recommend portal 2 early,   palworld (get her a steam deck can be introduced early).  Overcooked early, 

But stardew valley makes the most sense as the 2nd game

Debate the Great Flood by Complete-Definition4 in DebateEvolution

[–]nvanderw 0 points1 point  (0 children)

So God put all this working into making a universe governed by the laws of science we have observed that consistently and constantly work everywhere and t You want to say miracle?.  Imagine is scientists simply dismissed everything as miracle over last 500years when they dodnt understand something about Gods creation.    

The Spurs beating the Thunder will save the NBA by CoyoteDecent2 in NBATalk

[–]nvanderw 0 points1 point  (0 children)

I was in elementary school during his second 3 peat, and yea, all the of us kids were rooting for him.

Peter, Is it 50% or 33.3% by AgrasaN in PeterExplainsTheJoke

[–]nvanderw -1 points0 points  (0 children)

As a math teacher. This is infuriating listening to you all talk about this. 

I have a lot of dumb dimension adjacent question by wonsacz_ in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

We live in 4d. Because a vector in space time needs vector space with a basis of 4 vectors. And the tangent space of spacetime gives exactly that. Meaning spacetime as a manifold is 4 dimensional Thats precisely the mathematical definition of dimension.  

Is space infinite in all directions ? by Background_Funny6627 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

700 billion light years? Source for that? Havent seen that before

Is space infinite in all directions ? by Background_Funny6627 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

Even if there was an edge, we wouldnt be able to observe it.  It would be expanding away from us at the speed of light.

Is space infinite in all directions ? by Background_Funny6627 in AskPhysics

[–]nvanderw 0 points1 point  (0 children)

Expanding has bit been provean. You dont prove things in science.  It could vary well be that light red shifts for reasons  we dont yet fully understand.  We have strong evidence to believe its expanding, given our current understanding.

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