Science
Related: About this forumThe Velveteen Ocelot
(115,836 posts)Along the same lines, space exists so everything doesn't happen to you.
Xipe Totec
(43,890 posts)SCantiGOP
(13,873 posts)I believe your post is an actual acerbic comment by Einstein. I don't recall if it is considered original from him or if he was quoting someone else's quip.
The Velveteen Ocelot
(115,836 posts)Igel
(35,356 posts)Beyond that, it's all relative. Not so generally speaking. (Yeah, ain't that special?)
Maraya1969
(22,497 posts)how they tell the "future".
brush
(53,857 posts)defacto7
(13,485 posts)eppur_se_muova
(36,289 posts)True Dough
(17,320 posts)when to eat dinner!
Just kidding, it's a great magazine. It exists to inform people.
Xipe Totec
(43,890 posts)True Dough
(17,320 posts)MustLoveBeagles
(11,634 posts)PoliticAverse
(26,366 posts)Xipe Totec
(43,890 posts)longship
(40,416 posts)Love the guy.
Recommended.
Kablooie
(18,641 posts)we would be perennially late and that would just be rude.
Therefore time exists.
Xipe Totec
(43,890 posts)Doodley
(9,124 posts)lapfog_1
(29,223 posts)as theorized by the great cosmologist Douglas Adams
Or, as the two ballistic nuclear missiles closed in on the Heart of Gold spaceship exactly as the improbability drive was engaged thus turning them into a giant whale who invented language on its fall back to the planet... and the other was turned into a bowl of petunias... whos only thought while on the plunge back into the atmosphere was "oh no, not again!"!
Lint Head
(15,064 posts)Lint Head
(15,064 posts)outcomes happen for similar actions, what happened when the Universe came into existence? Does it not exsist or not come into exsistence on a different plane?
When the concept of time no longer exists does it exsist on a different plane?
If the Big Bang happened on one plane, would it "not exist" on another? And if there is nothing, would there be something? It seems to me that there would just be "something".
PoindexterOglethorpe
(25,895 posts)My son is a PhD student in astronomy. Every time I talk to him I learn something new. Here's what I learned that's relevant to this post:
Our galaxy, Milky Way, resides in a local group of about 54 galaxies. They orbit around each other (more or less) and over time will all collide and form one huge super galaxy. By the time that happens, all the other galaxies in the universe will have receded so that astronomers here will no longer be able to detect those galaxies. The will be so far away that their light can no longer reach us. That means, in the very distant future, we will have absolutely no way of measuring how large the universe is and, because by then the background radiation from the Big Bang will be so low as to be undetectable, we will have no way of figuring out how old the Universe might be. In short, we'll be inside a large galaxy surrounded by an infinity of empty space.
In the shorter term, and less depressing, is this:
Milky Way, our galaxy, has about 300 billion stars (not the 100 billion referenced in the TED talk).
Andromeda, the nearest large galaxy, is three times the size, with some 1 trillion stars.
Milky Way and Andromeda are on a collision course. Brace yourselves, we'll crash into each other in about 4 or 5 billion years.
So I asked my son, when that crash (intersection is the word I think astronomers prefer) occurs, how many stars will actually collide. Oh, he said, we're not sure but no more than ten. Ten, out of 1.3 trillion stars. Which tells you just how vast interstellar distances are.
defacto7
(13,485 posts)Time isn't a thing. It's a non linear measurment of the movement of mass in relation to space. Time is mental imagery that allows us to perceive movevment, mass and space. A concept, a tool that gives us a glimpse of higher dimentional physics. It shows us shadows of dimentions we cannot otherwise contemplate. The idea is necessary until we are able to perceive cosmological effects without it.
Xipe Totec
(43,890 posts)world wide wally
(21,754 posts)Think about it.
No two objects can occupy the same space at the same "time".
And you cannot be in two places at the same "time".
Physics.
DetlefK
(16,423 posts)Bosons can be at the same place at the same time.
Physics!
And movement is not tied to time. Movement is tied to space.
The generator of spatial translation (-> movement) is momentum.
The generator of a change of the state (over time) is energy.
The degree how far a situation can change (after a given time) is limited by the amount of available energy.
The degree how far a particle can move is limited by the amount of available momentum.
Rollo
(2,559 posts)Time is condensing...
Ferrets are Cool
(21,110 posts)Javaman
(62,534 posts)Xipe Totec
(43,890 posts)I do time zone conversions as part of my work. Didja know there are more than 24 time zones in the world?
Some places have time zones that are at half hour and quarter hour fractions away from whole hour displacements from GMT.
https://en.wikipedia.org/wiki/Time_zone
Freaking mess.
Igel
(35,356 posts)hunter
(38,326 posts)No queer "fourth" dimension of time required.
Nothing goes faster than light, nothing goes slower than light. There is no time travel, there is no faster-than-light travel. Wherever or whenever you go in this universe it looks much the same as here.
We are all interference patterns written upon the light.
From the photon's perspective, the photons we are made of, there is no time.
We are all Star Trek, or otherwise mystical, creatures of "pure energy."
E-equals-M-C-squared doesn't mean mass can be converted to energy, it means that mass is energy.
Unfortunately things like bacterial and viral pathogens are pure energy beings too. You are a creature of light, but so is a flu virus. Sometimes the virus wins, hopefully temporary, but sometimes prematurely from your perspective dissipating your being forever by death. Consider yourself fortunate if you just feel like death.
Just as bad, inconveniences like broken legs, automobile wrecks, and bullet wounds, are also aspects of our human existence as pure energy beings.
Sure, you are a being made of light, 100% pure energy, but that doesn't mean bad other 100% energy things won't happen to you.