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I was thinking about time today, and it really fasicnates me... the world revolves around time, but, really, what matters most is the rpesent. The only place we ever are on the timeline is the present. It's really interesting to think about...
[QUOTE="BossPerson"][QUOTE="ZumaJones07"]i still don't think time exists as an entity by itself because everything is physical and time is not physical. Time does not affect any parts of the universe because the universe is actually governed by the speed of light, which is a physical and measurable entity. Time is just good for us humans to keep track of stuff. do you believe time exists?thegergwell if you mean time as in measurement, than no, that doesnt actually exist. But there is a force that we can describe as "time" that does exist. Try running very fast around the sun and then come back to Earth and youll see this force in action You seem to be confused. Time, as a measurement, certainly does exist. Yeah. Light years, for example.
Time is measured by ones perspective of the universe, we measure time by the Earths own rotation and its rotation around the sun, anywhere else and these rules don't apply. How does one measure time in the space between galaxies? metroidprime55Well, a light year is actually a measure of distance. I don't know all the details, but I think scientists use the speed of light to measure the distance of light-emitting objects or in some cases, light reflecting ones (planets). Then, they calculate how long it took for the light to get here. That's how they came to the conclusion that the universe is around 14 billion years old.
I read about that awhile back and it made me more confused. So theoretically, if one of those things was visible to the naked eye, and it was shooting towards your head, it would have already gone through your head before you even saw it because it is traveling faster than the light emitting from its front end.By the way, the speed of light has been beaten by the neutrino particle and the laws of physics need to be written.
slimdave21
[QUOTE="metroidprime55"]Time is measured by ones perspective of the universe, we measure time by the Earths own rotation and its rotation around the sun, anywhere else and these rules don't apply. How does one measure time in the space between galaxies? BranKetraWell, a light year is actually a measure of distance. I don't know all the details, but I think scientists use the speed of light to measure the distance of light-emitting objects or in some cases, light reflecting ones (planets). Then, they calculate how long it took for the light to get here. That's how they came to the conclusion that the universe is around 14 billion years old.
or, simply, the distance light can travel in a year
i still don't think time exists as an entity by itself because everything is physical and time is not physical. Time does not affect any parts of the universe because the universe is actually governed by the speed of light, which is a physical and measurable entity. Time is just good for us humans to keep track of stuff. do you believe time exists?ZumaJones07
Uh what? Second law of thermodyanmics/Thermodynamic arrow of time?
[QUOTE="Am_Confucius"]what is it then, everything is physicalAt the very least it's a human concept, and every human concept resides in our brains which are physical, ergo time is physical.Who said time is an entity?
ZumaJones07
Now everyone shut up until you properly define "time" and specify "exist".
[QUOTE="Am_Confucius"]what is it then, everything is physical I disagree with that statement. A hole doesn't consist of anything, but a hole is still a hole.Who said time is an entity?
ZumaJones07
i always thought time was like a waste product from things going from a higher to lower energy state or from a more to less ordered state.
i always looked to the study of entropy to understand more about time.
a hole is filled with atoms and molecules and other stuff that makes up air.ZumaJones07Not necessarily.
[QUOTE="ZumaJones07"]a hole is filled with atoms and molecules and other stuff that makes up air.Am_ConfuciusNot necessarily. k
time doesn't have exist for the speed of light to be the speed of light (C). i think C is just what it is, not governed by an outside imaginary thing, and just an entity that exists in this universe.you do realize the speed of light itself is governed by time? in fact all speed is a metric that is defined by time.
this topic doesnt make any sense.
SauceKing
[QUOTE="ZumaJones07"][QUOTE="Am_Confucius"]what is it then, everything is physical You seem to be confused. Not everything is physical. what isn't physical? i would like to know. :?Who said time is an entity?
thegerg
[QUOTE="SauceKing"]time doesn't have exist for the speed of light to be the speed of light (C). i think C is just what it is, not governed by an outside imaginary thing, and just an entity that exists in this universe.you do realize the speed of light itself is governed by time? in fact all speed is a metric that is defined by time.
this topic doesnt make any sense.
ZumaJones07
C is measured in meters per second... a second being a measure of time... so no
i don't think you understood me. i think that the speed of light is just a physical thing in the universe that happens to carry information that can be measured and understood. regardless of time, it acts the same. time may be a cool property that helps us predict things, but it's not a fundamental component of the universe.C is measured in meters per second... a second being a measure of time... so no
SauceKing
[QUOTE="SauceKing"]i don't think you understood me. i think that the speed of light is just a physical thing in the universe that happens to carry information that can be measured and understood. regardless of time, it acts the same. time may be a cool property that helps us predict things, but it's not a fundamental component of the universe.C is measured in meters per second... a second being a measure of time... so no
ZumaJones07
space time is a pretty basic fundamental of the universe. Maybe you will turn all of astrophysics on its head and prove it isnt... but until then... time exists and is rather important.
I don't get it. Just because time is fundamentally different than other observable things, it therefore doesn't exist? Obviously things go from one state to another over time, such as radioactive decay, the expansion of the universe, and a quadrillion other things. It's not just something humans dreamed up for our own convenience.
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