MealtimeVideos Cafe

To many, SereneScreen Marine Aquarium screensavers are most well known by the versions for Windows XP. Or perhaps the Aquatic Life version on Roku 4K devices. But there were many more releases and editions in the 2000s, plus a whole history going back 40 years to the Commodore 64 and Amiga days!

Uploaded to YouTube by LGR.

Fairly interesting video about a tiny transitional hamlet, if even that.

The math background needed to enjoy the video is not very extensive. Grant Sanderson (3blue1brown) explains everything to the best of his ability from a perspective of "discovering mathematics" and helping you "convince yourself" that you could have come to the same conclusion as well (i.e. grasping as much of the proof as you can). And if that goes over your head, then the animations are still really pretty!

My description:

An intreguing video that takes an innocuous problem of finding an inscribed square in a closed, continuous curve and connects it to familiar topologic objects, like the torus (or the coffee mug!), the Möbius strip, and the Klein bottle.

Timestamps:

0:00​ - Inscribed squares

1:00​ - Preface to the second edition

3:04​ - The main surface

10:47​ - The secret surface

16:45​ - Klein bottles

22:38​ - Why are squares harder?

25:10​ - What is topology?

Consider using FreeTube, an open-source program for YouTube, because your privacy is important.

The newest hit from this incredible series!

Not that long ago, Coca Cola (and most drink companies at the time) sold their beverages in glass containers. These bottles would get used, washed then reused over and over in an endless glass cycle. This dreamlike utopia is long gone today… and Coca Cola killed it.

Uploaded by Future Proof.

Japan has taken the reverse approach to protecting people from electric shocks, and surprisingly, it makes their outlets safer than America’s. Let’s dive into why!

Uploaded by Andrew Lam.