I really enjoyed this video.
Kurzgesagt: The End of Space Travel
The Best Table Tennis Shot of 2018
This is amazing and must be seen.
Various Approaches to Time Travel in Fiction
A new video from Minutephysics goes over the various types of time travel used in movies and books:
This video is an explanation of how time travel functions in different popular movies, books, & shows – not how it works “under the hood”, but how it causally affects the perspective of characters’ timelines (who has free will? can you change things by going back to the past or forwards into the future?). In particular, I explain Ender’s Game, Planet of the Apes, Harry Potter and the Prisoner of Azkaban, Primer, Bill & Ted’s Excellent Adventure, Back to the Future, Groundhog Day, Looper, the video game “Braid”, and Lifeline.
Freezing Soap Bubbles
Freezing soap bubbles you say? Yeah, we can do that. I hope everyone has a great weekend.