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173,817,629 results
What does it mean for space and time to be the same thing? Not related to each other, but literally two descriptions of precisely the ...
1,728,245 views
3 years ago
CHAPTERS 0:00 The most important concept in Physics? 2:00 Defining spacetime 3:15 The math of space vs math of spacetime ...
555,506 views
9 months ago
76,557 views
158,461 views
2 years ago
Einstein's proposed idea of a single continuum where space and time are interwoven is what people call “space-time”. According ...
262,228 views
52,109 views
6 months ago
But what is time dilation? Time dilation and space time are interrelated. Einstein made one of the most important contributions to ...
8,378,603 views
6 years ago
The earliest time measurements were observations of cycles of the natural world, using patterns of changes from day to night and ...
7,225,869 views
5 years ago
How Einstein transformed our understanding of the universe by demonstrating that the dimensions of time and space are not ...
2,274 views
2 months ago
So you've decided to jump into a black hole. Good news: as long as the black hole is big enough you can sail through the event ...
232,696 views
2 days ago
Are matter, mass, and time real? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] ...
1,703,196 views
8 years ago
What are… things? Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] ...
1,300,175 views
Astronomers are the worst at naming things. Dark energy AND dark matter? Who can remember which is which. But perhaps one ...
600,068 views
So we've all heard of relativity, right? But... what is relativity? And how does it relate to light? And motion? In this episode of Crash ...
1,225,245 views
7 years ago
Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling ...
654,371 views
[CORRECTION: The calculated ISW cooling from cold spot observed voids is 0.000032 Kelvin not 0.032 K as is listed on screen, ...
953,211 views
Why does our universe make spheres and disks? Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us!
2,292,219 views
The Final Installment of our General Relativity Series!!! Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime ...
1,644,032 views
How your Quantum Body modifies itself as mental space and mathematical space and how they in turn appear as the physical ...
1,733 views
7 months ago
Our universe is prone to increasing disorder and chaos. So how did it generate the extreme complexity we see in life? Actually ...
743,049 views