[This is amazing. I’ve never heard of this before. Jan]

Here’s the video: https://www.youtube.com/watch?v=YHykWjtVdNM

Here’s the video: https://www.youtube.com/watch?v=RCB6ggszTJc

Here’s the video: https://www.youtube.com/watch?v=XFG54khVNOs

Here’s the video: https://www.youtube.com/watch?v=5ZKoIZHKRUM

Here’s the video: https://www.youtube.com/watch?v=e83ONiIzyK8

Here’s the video: https://www.youtube.com/watch?v=HIXNqDGNRAA

Here’s the video: https://www.youtube.com/watch?v=TdBaqa1Q3P4

Here’s the video: https://www.youtube.com/watch?v=uEbBg5WVKJI

[This makes sense. Jan]

Here’s the video: https://www.youtube.com/watch?v=MEGUb3Rlo28

[Gravity is even weirder than this guy tells you. It’s a topic that I’ve had an interest in for decades. Jan]

Here’s the video: https://www.youtube.com/watch?v=d6coQojaPcE