
20210210: How Does Gravity Warp the Flow of Time?
 07:07: This seems paradoxical, but the solution is the same as it is for the twin paradox from our previous episode.
 07:27: In the twin paradox, the twin traveling to a nearby star and back has aged less even though both could see the other’s clock ticking slowly.
 09:53: ... the case of the twin paradox, gravitational time dilation gives the right relative time flows if you ...


20210126: Is Dark Matter Made of Particles?
 13:46: In the process of answering that we explored the ladder paradox and the twin paradox, and that's what our questions are about today.


20210119: Can We Break the Universe?
 03:13: However the resolution requires us to think about two much more famous paradoxes in relativity  the twin paradox and the ladder paradox.
 03:21: Let’s start with the twin paradox.
 04:57: ... can use these lines of simultaneity to solve the twin paradox because they allow us to track the apparent passage of time back on ...
 05:53: Let’s first look at the twin paradox in a closed universe.
 08:11: Ok, enough with the twin paradox.


20191217: Do Black Holes Create New Universes?
 12:42: ... than light travel can break causality and you'll even solve the famous twin paradox. ...


20160127: The Origin of Matter and Time
 10:40: This is a famous problem call the twin paradox.
