Monday, May 7, 2018

Space and time are part of a four dimensional structure


The theory, which is backed up Einstein’s theory of relativity, states that space and time are part of a four dimensional structure where everything thing that has happened has its own co-ordinates in spacetime.
This would allow everything to be ‘real’ in the sense that the past, and even the future, are still there in spacetime – making everything equally important as the present.
Massachusetts Institute of Technology physicist Max Tegmark, told space.com: "We can portray our reality as either a three-dimensional place where stuff happens over time, or as a four-dimensional place where nothing happens [‘block universe’] — and if it really is the second picture, then change really is an illusion, because there's nothing that's changing; it's all just there — past, present, future.
“We have the illusion, at any given moment, that the past already happened and the future doesn't yet exist, and that things are changing. 
“But all I'm ever aware of is my brain state right now. The only reason I feel like I have a past is that my brain contains memories.”


Timelapse of the SpaceX Falcon 9 Rocket Launch
https://www.express.co.uk/news/science/738387/Time-NOT-real-EVERYTHING-happens-same-time-einstein

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