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The newest manly man trend on TikTok is "raw-dogging" flights. Is it a good idea to…

Mental healthcare has an extortion problem.

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In this new variant of a conveyor belt simulation, I have added "shovels" to the belt (or whatever you call those things). The conveyor belt effect results from a combination of two factors: the shovels, and the fact that the segments forming the belt exert…

In this variant of the video https://youtu.be/lZMWn9VxLW0 , there are two conveyor belts instead of one, and the hexagons have been replaced by triangles. The lower belt moves twice as fast as the upper one.
The conveyor belt effect in this simulation is…

Still having fun with conveyor belts. In this simulation, an obstacle has been placed below the end of the upper belt, which separates the hexagonal particles into two streams, moving (mainly) to two different belts. There are periodic boundary conditions…

In this simulation with conveyor belts, there are periodic boundary conditions, meaning that particles falling off the lower belt will, after some time, land on the upper belt. It takes some time because not the entire vertical extension of the simulated…

I don't know about you, but I find it incredibly relaxing to watch a conveyor belt transport sand. Perhaps this is because when I was a child, we often had a large heap of sand in the back of the garden, where I spent substantial time playing. But I suspect…

This simulation was requested in a comment to a previous video. It shows particles having the shape of equilateral triangles, interacting (mostly) via contact forces. The particles are subject to gravity, and initially land in a funnel-shaped container. Once…

Like the video https://youtu.be/Dsa6xj6tARo , this one shows triangles interacting via contact forces falling through a funnel. There are two differences, however: the funnel is steeper, and the triangles also interact via a torque tending to anti-align their…

This video uses the same principle as the video https://youtu.be/6mTqTptTj-4 , in which triangles with a contact interaction and magnetic-moment type interaction were thrown into a funnel. Here the triangles have been replaced by squares, and they have unintentionally…

This is a variant of the video https://youtu.be/zvhWklW_XlQ showing magnerized squares thrown into a funnel, but with hexagons instead of squares. The behavior turns out to be quite different, and much closer to that of a sand pile, including avalanches.…