Sweet zombie Geebus, he went catatonic on stage for 45 minutes and just swayed and stumbled to music in silence on stage instead of answering questions like he said he would while people in the crowd passed out in the heat and shuffled out confused. He clearly didn’t know where he was or what was happening, didn’t know what Noem meant when she suggested playing his walk off song like they had planned before going on stage, and he just wouldn’t walk off.
I can’t even imagine what you would say if Biden did this, especially if he was a candidate. The man is so unfit that the campaign is elder abuse.

He reminded his cult to vote on January 5th.

He’s totally terrified of white chairs, afraid of leaving a visible stain. He said he was afraid of rotating chairs too, afraid he would fall off…his words. How can you worship this cowardly unstable feeble old man who may not make it to the election?

Glass is rectangular not square. In one position it slides into a groove in the box side making enough room for the ruler, in the other position it can’t fit. He rotates it as he takes it out.

Cousin Vinny out

Note it’s not just the reflection, but the direct viewpoint also switches/remains stable while rotating.
It’s making use of 3 dimensions viewed in only 2 dimensions to pull off the trick. I like these viewpoint dependent “illusions”. They are getting more intricate thanks to AI…I’m still impressed by the Escher impossible shape static sculptures.

Good workable prototype, albeit a lot of effort to use. If the pedals were hooked up to a flywheel, and this in turn was connected to the leg movement mechanism it would remove a lot of the friction they're facing with each rotation. Basically the direct connection of the pedals to the leg movement mechanism is leading to feedback that impedes the ability to pedal smoothly.

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The evolution is accelerating. We will soon become subservient to our digital rotating rodent overlords….and I for one welcome them and offer my services in any way I can be of use to them.

Guessing it's a function of rate of rotation vs acceleration due to gravity, and that 1/5th of the height just happens to line up properly for a 270 degree rotation.

You can also just lay the wood against the fence and rotate it by hand. This is a really neat tool though and it would definitely feel safer.

I’m thinking Mt Chimborazo in Ecuador…at over 20000 ft, it’s peak it the farthest from the center of the earth (while not being the highest above sea level thanks to the equatorial bulge).
Sure, it doesn’t remove air resistance or friction, but halving it, even cutting it by 1/3 is a massive leap in efficiency and negates much of the extreme engineering and materials needed to overcome the friction….plus, as you mentioned, there’s the rotational speed advantage from launching on the equator vs Florida.
Also, while extremely minor, there’s also a slight reduction in gravitational pull at those heights. A joule saved is a joule earned!

Using a mountainside might help with structural integrity, but it's not likely to give much air resistance advantage if I'm reading the math correctly. The 5 highest peaks in the US are all in Alaska and and range from just under 5km to just over 6km. Commercial jets using air resistance/density for lift fly at about 10km and even at 38km aerodynamic lift still carries 98% of the weight of the plane (https://en.wikipedia.org/wiki/K%C3%A1rm%C3%A1n_line)

Air density is halved at 5km compared to sea level, but air resistance doesn't diminish as quickly (due to it being multiplied by velocity squared and drag coefficient), and only becomes irrelevant (for short-term purposes) around 100km at the Karman Line.

If we had a 5km peak in Florida, the lack of logistical costs might make the benefits worth it, and if we could build on one of Equador's 5km peaks, then there's the further advantage of equatorial location for optimal rotational advantage (part of the reason we launch from South Florida)

Maybe he'll claim Biden's his secret puppet President-o-bot and therefore he can run 2024 as his 3rd term. Just like his master Putin rotating between Russia's President & Prime Minister-ship. That's his MAGA way of achieving his Third Reich.

The creator put some answers in the comments:

How the heck did i make it?

The living room of my father's place had a very strong ceiling fan, which could go in reverse. Instead of blowing air down, it would pull the air up. That would create an updraft strong enough to sustain the vortex. Next, I had a box fan and a blanket set up to redirect the air flow so it rotated around the center of the room. You can see it as the dark blue object in the back right. After the fans were turned on, I laid out an old dark red bed sheet with a small PVC pipe underneath it connected to a fog machine. The bed sheet allowed the fog to gently seep through and get pulled into the vortex, as opposed to being blasted out of the pipe. And then it was all a matter of letting the ceiling fan's updraft and the box fan's rotation mix into a 10 ft tall indoor tornado!!

It would have been a rare occurence indeed for the head of a science project to share the accolades with a student. She was second on the original paper.

Also remember this is a Nobel prize for physics, so it is very much to be had for the scientist who starts the project, creates the equipment, sets goals, is reserved when the student finds something new but then listens to her, the hypothesis and confirmation part is important and was not ms. Bells work...

So yes, the astronomical observation and discovery of the first two pulsars is hers.

The Nobel prize for physics for the discovery of pulsars went to the two scientists that contributed the most to the confirmation of the rotating neutron star hypothesis. IMHO rightfully.

Could a student have been included, man or woman? Unlikely.

I would be interested to see what would happen just before the disk stopped and suddenly there was no gravity. Even though it sounds like it's spinning faster I'm sure it's just because the edge of the disk is just closer to the mirror.

Suddenly without gravity would the energy cause the disk to rotate making it look like a ball floating in space or would it wobble and take off in one direction?

Could this even be done in space?

Are there any mathematicians in the audience tonight?

Are four questions in a row too much?