Really well done! Did you put that explanation together entirely yourself? Did you come up with some of those examples yourself? If so, kudos. Either way, that was a really clever way of explaining it!
@BadLuck765 Yes, this is my explanation and examples. Heck, I even spent a whole dollar on the white colander which was rendered useless after I drew the red grid on it. I'm that dedicated! ;-)
I forgot what video i saw but did Eisenstein believe in time travel,the more important question i guess is time travel even possible because when you look up at the stars it is looking back in time I think Carl Sagan said when you look at the stars you are looking back in time.Since science wants proof and evidence how can they prove it unless they sent someone back in time and if they did whoever was sent back and went to the scientist saying "hey you sent me back in time they would think
E=MC Squared & nbody knew about Bernie Madeoff until he was busted & Oh-Yeah the Apollo programmed went to the moon & that's the whole story.
(Anybody want to buy a controlling interest in the Brooklyn Bridge because I've got a share certificate from a corporation called 'B-MADEOFF ENTERPRISES' & it seems to give me legal authority to do whatever I'm of a greedy lust to do)
That will be $13 Trillion dollars thank you & NO cheques will be honoured.
If I-try I-can put a curve in the space-time continuum with a $20 bottle of Jack Daniels & half a G of good weed & in my dreams fly a sweet woman to the moon & back though the radiation from high energy particles would kill mere normal mortals & half what BBC employees in Bush House spent on cocaine ten years ago could fund a contract for Pixar Animated to do a manned Mars Mission this Sept' while the current cocaine budget in Capitol Hill in DC already likely found life on other planets.
the theory suggesting that the radiation from high energy particles would kill a mere human if we tried to go to space has something in common with religious teachings - it is a bunch of crappola.
Your 20$ bottle of Jack and weed are the main source of inspiration for people who come up with such things and the ones who believe them.
They should rather give their weed to me.
"Wash your illusions away with Reality soap. Reality works, ask Santa"
was hoping for a little bit more, but guess it was not the direction you were going. very well none the less.
here's a trick thing with curved space time:
you can kinda explaine of the curve of space around a star causes light to curve, and near a black hole, the curve of space turns a stright line into a circle (the event horizon), how ever, how can you use the curve of space to explain how things START to fall? (more in the next comment) ....
@ozmoroid ok watched vid 3, doesn't talk about why do things START to fall, but as you read below, I think I've answered it (question is, how close am I to being right).
... ok I see you already replied, I'll have a look at that vid.
anyway, an outcome of the above realization, is that the apple (and all object, for that matter) do not EXIST in the future, nor in the past.
"now" is all there is, and as "time passes" objects move from "before" into "latter". In other words, if you where to travel to the past, you'd find nothing there, as everything that was there .... moved on with time.
I don't like this view of time, but seems like it's how things are
@eyallev Yes, everything is always moving in spacetime. In fact you can even say that the spacetime velocity is always unity. What changes is the amount of that motion that is in the space part vs. the time part.
Man. I've heard of the theories. But these videos have explained them to me. I don't recall getting this stuff in school. But I've always been interested. Just too afraid of the math to buy a book. Thanks for this series.
@Felhaven You could. The drawback is that Pi wouldn't be a constant any more, it'd even vary from place to place on a given surface. So, folks usually keep Pi = 3.141... and then say that on a curved surface C=Pi D is no longer valid.
@Felhaven One potentially could, as long as the curvature was constant. But, in fact, curvature is described by a tensor, so a single parameter like pi is actually insufficient. What you need is the Riemann tensor :)
@cobol528 good point. the only way the pi thing would work in such a case, as in around say... two inspiraling neutron stars. is if you measure the value of pie for a goven point. THAT would be an interesting view. Imaging a grid with one or more heavy masses. now for each grid point calculate pi.
I love the whole concept of curved spacetime. It's so...elegant and conceptually challenging. I don't think I'm really a science geek, but it's just so much fun to think about, you know?
Very interesting. Your presentation is great. It keeps it interesting even in the parts where you really have to twist your brain around strange concepts.
LOL this video reminds me of a creationist christian who once told me that space wasn't time. His argument was how much space does the time to cook a pizza occupy. Seriously the guy was a total idiot.
@moegreen2 Time is one of four coordinates needed to specify an event. Mathematically the dimension of an object is the minimum number of coordinates needed to specify it. Therefore, spacetime is four dimensional.
Your videos make a tough subject seem approachable. Some kid might stumble across your channel and end up changing the world. Not me though, I'm a dumbass. I'm just blown away that I can keep up.
I love the rationalists, I love the creatard PWNers, (tho not particularly fond of atheism per se). But most of all, I love the sciencey/mathy types who make schtuff like this vid, and say, the geological history of the Mediterranean Sea.
There are a lot of great rationalist channels on YT, but ozmoroid and the potholer hold the top two spots
@ozmoroid Dammit -- wtf? -- are you telling me that 'skoockum's sorry ass sitting there appreciating' is the part of the interaction that deserves thanks? Hell, any retard can put out that kinda product... just look at the NASCAR fan base.
No way mutha fukkah, the thanks goes to ozman.
I been busting my sorry ass for decades trying to figure out wtf those cosmology humps were trying to say, but it turns out that all I hadda do was spend an hour or so watching your videos.
William Lane Craig needs to watch this video. He loves to argue about "first causes" and the origins of the universe, but always tries to apply naive notions about space, time, and causality. Relativity is a great example of how everything we think we know about space and time is completely wrong, and any conclusions we try to draw about what "caused" the Big Bang are not ever going to be simple or intuitive.
@AntiCitizenX hell, there's even a good chance that time itself is really nothing more than an artifact of other physical properties, like the way surfaces don't actually exist at the subatomic level.
You just explained inertial reference frames to me, something a lot of books written by good authors had failed to do. I'm very grateful. Always wondered why they were called "frames", then you showed me some frames and it "clicked". :)
@Danmill23 Yes, its the ratio of a diameter to a circumference in euclidian geometry there is nothing for it to vary by as it is a set ratio, In all mathmatical senses and for use in all branches of mathmatics it is a constant.
It isnt however rational, and therefore can never be fully calculated as it goes on forever.
@Danmill23 The ratio of circumference to diameter is not a constant, if you allow for curved space, so in that sense you are right. The convention is to let Pi=C/D for a circle in a flat space. In curved space you'd then say C/D>Pi or C/D<Pi.
I feel like I'm watching some TV show that produces a new episode once a month so every new thing is a cliff hanger! Is ozmoroid creating the youtube science geek version of Lost?
The happiest *though* of my life.
WhiteDragon103 3 weeks ago
@WhiteDragon103 Though a happy thought might be preferable to a happy though, I guess a happy though is better than a sad thought. ;-)
ozmoroid 3 weeks ago
I'm curious, how exactly do you make these animations like at 4:20. Inb4 hahaha.
ja524309 2 months ago in playlist Physics
@ja524309 Animations are made use Scilab and Povray. Both are open-source software (scilab-dot-org and povray-dot-org)
ozmoroid 2 months ago
I love these things, it's so interesting!
Dannnneh 2 months ago
I watched all your relativity videos and even though they are made so even an idiot could understand I still don't get it!!! Never mind.
BlueMajic100 2 months ago
Really well done! Did you put that explanation together entirely yourself? Did you come up with some of those examples yourself? If so, kudos. Either way, that was a really clever way of explaining it!
BadLuck765 3 months ago
@BadLuck765 Yes, this is my explanation and examples. Heck, I even spent a whole dollar on the white colander which was rendered useless after I drew the red grid on it. I'm that dedicated! ;-)
ozmoroid 3 months ago
@ozmoroid I'm sure your spaghetti won't taste too strange...
Ah, the true cost of science isn't measured in dollars, it's measured in pasta.
BadLuck765 2 months ago
I see what you did there
ixcaliber 3 months ago
ozmoroid is the RedLetterMedia equivalent of science videos.
Very interesting and understandable by the rest of us, thanks!
FSMonster 3 months ago
he was crazy.
philosophicalreason 3 months ago
I forgot what video i saw but did Eisenstein believe in time travel,the more important question i guess is time travel even possible because when you look up at the stars it is looking back in time I think Carl Sagan said when you look at the stars you are looking back in time.Since science wants proof and evidence how can they prove it unless they sent someone back in time and if they did whoever was sent back and went to the scientist saying "hey you sent me back in time they would think
philosophicalreason 3 months ago
Did he not have happy thoughts of seeing a girlfriend?
Strutingeagle 4 months ago
@Strutingeagle Who? Einstein?
RyanLikesAmp 3 months ago
Great vid, nicely explained.
TK42138 4 months ago
Space is curved & reality is relative...
E=MC Squared & nbody knew about Bernie Madeoff until he was busted & Oh-Yeah the Apollo programmed went to the moon & that's the whole story.
(Anybody want to buy a controlling interest in the Brooklyn Bridge because I've got a share certificate from a corporation called 'B-MADEOFF ENTERPRISES' & it seems to give me legal authority to do whatever I'm of a greedy lust to do)
That will be $13 Trillion dollars thank you & NO cheques will be honoured.
spacelizardlaw 6 months ago
If I-try I-can put a curve in the space-time continuum with a $20 bottle of Jack Daniels & half a G of good weed & in my dreams fly a sweet woman to the moon & back though the radiation from high energy particles would kill mere normal mortals & half what BBC employees in Bush House spent on cocaine ten years ago could fund a contract for Pixar Animated to do a manned Mars Mission this Sept' while the current cocaine budget in Capitol Hill in DC already likely found life on other planets.
spacelizardlaw 7 months ago
@spacelizardlaw
the theory suggesting that the radiation from high energy particles would kill a mere human if we tried to go to space has something in common with religious teachings - it is a bunch of crappola.
Your 20$ bottle of Jack and weed are the main source of inspiration for people who come up with such things and the ones who believe them.
They should rather give their weed to me.
"Wash your illusions away with Reality soap. Reality works, ask Santa"
recommended by Yahweh and Allah
realbojay 6 months ago
i have learned more from youtube then i ever did from school
aderandie2 7 months ago
Isn't it Göttingen? o != ö
Those little dots on the vowel are just shorthand for an e, which would make "oe", that is a totally different vowel.
So, if you don't have umlauts, you can write them in the proper way as oe ae ue, thanks.
SeltsamerAttraktor 7 months ago
@SeltsamerAttraktor I stand corrected.
ozmoroid 7 months ago
Oh wow, I didn't know you were into physics!!!! What a well done video series on relativity!
TheMathKing 7 months ago
space is curved, you can't explain that!
upublic 7 months ago
@upublic If only I got paid to not be able to explain that! ;-)
ozmoroid 7 months ago
Thank you for your videos from the liberal arts majors and MBAs whom never ventured in to physics. (me)
geneticepistomology 8 months ago
was hoping for a little bit more, but guess it was not the direction you were going. very well none the less.
here's a trick thing with curved space time:
you can kinda explaine of the curve of space around a star causes light to curve, and near a black hole, the curve of space turns a stright line into a circle (the event horizon), how ever, how can you use the curve of space to explain how things START to fall? (more in the next comment) ....
eyallev 8 months ago
@eyallev See vid #3. Plus this is an ongoing series - more to come.
ozmoroid 8 months ago
@ozmoroid ok watched vid 3, doesn't talk about why do things START to fall, but as you read below, I think I've answered it (question is, how close am I to being right).
eyallev 8 months ago
(cont ...)
imagin an apple on a tree. suddenly, the branch breaks and the apple STARTS to fall.
is space is curved, you can't say that gravity pulled the apple down, so what did?
the apple was not moving at all, so how could the curve of space cause it to start to move?
the solution?
the apple WAS infact moving.
it was moving "forward" in time.
the curve of space-time, caused that "internal" push of time the apple has, to be translated (in part) into a force in space ...
eyallev 8 months ago
... ok I see you already replied, I'll have a look at that vid.
anyway, an outcome of the above realization, is that the apple (and all object, for that matter) do not EXIST in the future, nor in the past.
"now" is all there is, and as "time passes" objects move from "before" into "latter". In other words, if you where to travel to the past, you'd find nothing there, as everything that was there .... moved on with time.
I don't like this view of time, but seems like it's how things are
eyallev 8 months ago
@eyallev Yes, everything is always moving in spacetime. In fact you can even say that the spacetime velocity is always unity. What changes is the amount of that motion that is in the space part vs. the time part.
ozmoroid 7 months ago
thank you for making this so easy to envision. i really appreciate you dumbing this down enough to make it digestible.
greycloud24 8 months ago
Man. I've heard of the theories. But these videos have explained them to me. I don't recall getting this stuff in school. But I've always been interested. Just too afraid of the math to buy a book. Thanks for this series.
billzybobb 8 months ago
oh the geodesic part reminded me of the days where i used to study differential geometry good times
scatustherising 8 months ago
@zelos88 honestly i do no know. i wonder to what degree space time would have to be bent in order for pi to be a whole number.
Felhaven 8 months ago
@zelos88 lol sorry but 500 charactors are not enough space to unify relitivity and quantum mechanics
Felhaven 8 months ago
@zelos88 42
Felhaven 8 months ago
This was very nicely presented. Thank you for describing and depicting this in a way that my simple mind can understand.
PumpNTurbine 8 months ago
I am glad you have treated this subject with the gravity that it deserves. Good work!
cobol528 8 months ago
@cobol528 I had to overcome my own inertia.
ozmoroid 8 months ago
So can curvature in space time be decribed as a variation of Pi?
Felhaven 8 months ago
@Felhaven You could. The drawback is that Pi wouldn't be a constant any more, it'd even vary from place to place on a given surface. So, folks usually keep Pi = 3.141... and then say that on a curved surface C=Pi D is no longer valid.
ozmoroid 8 months ago
@ozmoroid hmm... seems a bit of a work around. But i guess it simplifies the math.
Felhaven 8 months ago
@Felhaven One potentially could, as long as the curvature was constant. But, in fact, curvature is described by a tensor, so a single parameter like pi is actually insufficient. What you need is the Riemann tensor :)
cobol528 8 months ago
@cobol528 good point. the only way the pi thing would work in such a case, as in around say... two inspiraling neutron stars. is if you measure the value of pie for a goven point. THAT would be an interesting view. Imaging a grid with one or more heavy masses. now for each grid point calculate pi.
Felhaven 8 months ago
Very clearly put. Kudos.
Underlings 8 months ago
@Underlings Thanks.
ozmoroid 8 months ago
most good, thanks
MacNutz2 8 months ago
@MacNutz2 Welcome.
ozmoroid 8 months ago
I love the whole concept of curved spacetime. It's so...elegant and conceptually challenging. I don't think I'm really a science geek, but it's just so much fun to think about, you know?
So, thanks for this!
OgreVI 8 months ago
@OgreVI I agree, it is very elegant, almost artistic.
ozmoroid 8 months ago
wow oz, good1. it made complete sense. where were you when i was in school? oh wait, i ditched a lot of school. never mind. great video though.
peace.
lardo444 8 months ago
@lardo444 Me too. I barely graduated from high school. Only got my ass serious in college (when I was payin' fer it.)
ozmoroid 8 months ago
@ozmoroid well you did a great job on this one.
i learned something today. thanks.
have a peaceful stay.
lardo444 8 months ago
@ozmoroid You could've just studied the interwebz for 2 years. That would have made you an expert in ANY field of Science!
DutchLiam84 8 months ago
@DutchLiam84 Plus then I'd able to explain it all as "the hand of God."
ozmoroid 8 months ago
@DutchLiam84 Good to see people still taking the piss out of NephilimFree after all this time:)
cobol528 8 months ago
Excellent stuff, nice clear explanations! Favourited.
finlarg 8 months ago
Very interesting. Your presentation is great. It keeps it interesting even in the parts where you really have to twist your brain around strange concepts.
TheStigma 8 months ago
@moegreen2 Oh, I wasn't referring to you, sorry if it seemed that way. I was talking about some other vid by someone who was clearly a kook.
Mapariensis 8 months ago
LOL this video reminds me of a creationist christian who once told me that space wasn't time. His argument was how much space does the time to cook a pizza occupy. Seriously the guy was a total idiot.
GodKillerAtheist 8 months ago
@GodKillerAtheist It depends on whether the pizza is thick or thin slice, deep dish or thin crust.
notonewhit 8 months ago
@notonewhit HAHA ya I guess he got me..lol...
GodKillerAtheist 8 months ago
@moegreen2 Time is one of four coordinates needed to specify an event. Mathematically the dimension of an object is the minimum number of coordinates needed to specify it. Therefore, spacetime is four dimensional.
ozmoroid 8 months ago
thanks ozmoroid. One request. Please dont hold back on the math. we have way too many programs doing that.
mignik01 8 months ago
@mignik01 There'll be a math-heavy vid on the actual equations.
ozmoroid 8 months ago
Lovely graphics and thanks for the gender-inclusive examples :)
AuntieDiluvian 8 months ago
@AuntieDiluvian Those ladies are in my vids temporarily while they learn to cook, find husbands and have a brood of kids. ;-)
ozmoroid 8 months ago
Perfect for introductory courses.
SonytoBratsoni 8 months ago
That all made sense to my small mammalian brain. You are fantastic at explaining this in an easy to grasp language. Keep them coming :)
Baldmother 8 months ago
Please let there be more! Please let there be!
Rationalific 8 months ago
Can I make a request? Could you crush this guy to bits: v=9Q9IePuHut4
He's a relativity denier, and most of his fallacies are easily refuted, but I have zero skill in video making, so...
Or he might be a troll, of course, but in that case the sarcasm went over my head.
Mapariensis 8 months ago
Why wasn't this always obvious to people? Great video Oz!
rich2rock 8 months ago
@rich2rock Thanks.
ozmoroid 8 months ago
Your videos make a tough subject seem approachable. Some kid might stumble across your channel and end up changing the world. Not me though, I'm a dumbass. I'm just blown away that I can keep up.
playadominical 8 months ago
@playadominical Thanks for the kind words. I'd say keeping up is a counter example that disproves the "dumbass" hypothesis. ;-)
ozmoroid 8 months ago
I really enjoy your science videos! Please make more when you can!
Violent2aShadow 8 months ago
@Violent2aShadow Will do.
ozmoroid 8 months ago
I'm pretty sure his fav thought was all the tasty bitches he had over the years.
myjizzureye 8 months ago
@myjizzureye Yeah, but that wasn't for public dissemination. ;-)
ozmoroid 8 months ago
Great explanation
77Totems 8 months ago
ur mom distorts space/time sooo much she has light orbitting her fat ass . . . zing!
keggerous 8 months ago
@keggerous Yeah? ..yer mom's ass is the source of the Higgs boson
skoockum 8 months ago
Damnit oz, this is the shizznit!
I love the rationalists, I love the creatard PWNers, (tho not particularly fond of atheism per se). But most of all, I love the sciencey/mathy types who make schtuff like this vid, and say, the geological history of the Mediterranean Sea.
There are a lot of great rationalist channels on YT, but ozmoroid and the potholer hold the top two spots
skoockum 8 months ago
@skoockum Well thank you.
ozmoroid 8 months ago
@ozmoroid Dammit -- wtf? -- are you telling me that 'skoockum's sorry ass sitting there appreciating' is the part of the interaction that deserves thanks? Hell, any retard can put out that kinda product... just look at the NASCAR fan base.
No way mutha fukkah, the thanks goes to ozman.
I been busting my sorry ass for decades trying to figure out wtf those cosmology humps were trying to say, but it turns out that all I hadda do was spend an hour or so watching your videos.
And did I say MATH?
skoockum 8 months ago
This video is very informative and good. :)
JoakimfromAnka 8 months ago
@JoakimfromAnka Gracias.
ozmoroid 8 months ago
wow its fucking amazing that my mind is still being blown by Relativity, something I thought I had a good grasp on already.
AtheistKharm 8 months ago
@AtheistKharm There are always little nooks and crannies to explore.
ozmoroid 8 months ago
Great! Subbed. :)
laalki80 8 months ago
@laalki80 Glad you liked it.
ozmoroid 8 months ago
William Lane Craig needs to watch this video. He loves to argue about "first causes" and the origins of the universe, but always tries to apply naive notions about space, time, and causality. Relativity is a great example of how everything we think we know about space and time is completely wrong, and any conclusions we try to draw about what "caused" the Big Bang are not ever going to be simple or intuitive.
AntiCitizenX 8 months ago
@AntiCitizenX Yeah, but only after he actually studies his own scriptures in "depth." ;-)
ozmoroid 8 months ago
@AntiCitizenX hell, there's even a good chance that time itself is really nothing more than an artifact of other physical properties, like the way surfaces don't actually exist at the subatomic level.
skoockum 8 months ago
You just explained inertial reference frames to me, something a lot of books written by good authors had failed to do. I'm very grateful. Always wondered why they were called "frames", then you showed me some frames and it "clicked". :)
philhellenes 8 months ago
@philhellenes I'm very happy when people get something out of these vids. It's very interesting stuff.
ozmoroid 8 months ago
I gave this a Curved thumb's up
GregQzag 8 months ago
@GregQzag Thanks. But that thumb looks straight to me - must be my point of view. ;-)
ozmoroid 8 months ago
Really interesting!
alanstarkie2001 8 months ago
@alanstarkie2001 Thanks.
ozmoroid 8 months ago
Brilliant!
Gekkibi 8 months ago
@Gekkibi Glad it shone for you.
ozmoroid 8 months ago
I feel more intelligent after I watch your vids. ;)
AncientAtheist 8 months ago
@AncientAtheist Great compliment. Thanks.
ozmoroid 8 months ago
WOOT WOOT
TheCopaceticMan 8 months ago
@TheCopaceticMan Thanks thanks.
ozmoroid 8 months ago
hurray another fantastic physics video by ozmoroid
scatustherising 8 months ago
@scatustherising They're quite rewarding to make. Glad you enjoyed.
ozmoroid 8 months ago
Great Vid!!!
ONESPECIES 8 months ago
@ONESPECIES Thanks.
ozmoroid 8 months ago
fatastic vid!
dgeypscun 8 months ago
@dgeypscun The Relativity Monster made me do it.
ozmoroid 8 months ago
@ozmoroid and I can't spell apparently. Hmmm. Reletivity Monster...I don't think I am nearly smart enough to pull that off.
dgeypscun 8 months ago
great video thx:)
jimthepleb 8 months ago
@jimthepleb Welcome.
ozmoroid 8 months ago
Spelling mistake in the first frame? Yikes :\.
hooloovoo1st 8 months ago
@hooloovoo1st Now you know why I didn't major in English.
ozmoroid 8 months ago
Woah. Well done. I learned stuff. Question is Pi a constant?
Euclid says yes.
Albo E says no.
Am I correct here?
Danmill23 8 months ago
@Danmill23 Yes, its the ratio of a diameter to a circumference in euclidian geometry there is nothing for it to vary by as it is a set ratio, In all mathmatical senses and for use in all branches of mathmatics it is a constant.
It isnt however rational, and therefore can never be fully calculated as it goes on forever.
LogicsSpeed 8 months ago
@Danmill23 The ratio of circumference to diameter is not a constant, if you allow for curved space, so in that sense you are right. The convention is to let Pi=C/D for a circle in a flat space. In curved space you'd then say C/D>Pi or C/D<Pi.
ozmoroid 8 months ago
I feel like I'm watching some TV show that produces a new episode once a month so every new thing is a cliff hanger! Is ozmoroid creating the youtube science geek version of Lost?
lhvinny 8 months ago
@lhvinny I'm glad some folks are enjoying these vids.
ozmoroid 8 months ago
"If a person falls freely he will not feel his own weight."
If he waits, he will. :P
premed2 8 months ago
@premed2 And the longer he waits the more he'll feel it. ;-)
ozmoroid 8 months ago
Excellent!
Martymer81 8 months ago
@Martymer81 Thanks.
ozmoroid 8 months ago