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Note 1: I had to go to the middle and reduce the number of particles to 1000 to be able to run it in my phone.

Note 2: In this case, 2D means that the force is proportional to distance^-1 instead of the usual distance^-2. It's not a 3D word projected into a plane, it's a real 2D word that lives inside a plane. It would be nice to have an option to switch and compare. I have no intuition about the difference.

Note 3: Somewhere in the middle, it's possible to switch the external potencial from z^2 to z^4 to z^20, where z is the distance from the center.

z^2 "Ginibre" is a nice round surface, like a wok. Electrons get evenly distributed.

z^20 "Mittag-Leffler lambda=10" is flat in the center and then goes up quickly, like a saucepan. Electrons escape from each other, a few of them remain in the center but most get squashed against the circular wall.

z^4 "Mittag-Leffler lambda=2" Something in between


Didn't it notice in the photo that the opacity of the lines was 100% IRL?

Do you have a link to the previous discussion? I can't find it.

They found some organic compounds now, from that they estimate a high ammount of them a lot time ago. I guess it's a bad calculation instead of aliens.

IIUC the guy build a device that is harmful, but there is no proof that a similar device was used in any of the "Habana syndrome" cases in the wild.

The outher limit is too big for my mobile.

Does the atmospheric drag apply only in the circle? Perhaps you can paint it in very dark blue.


Yeah, it’s not really optimized for mobile, most of testing was done playing on a computer, with keyboard and proper display. I think it’s not really suited for mobile, it’s frustrating on a PC as well, I can’t see myself playing it on mobile.

Yes, atmospheric drag applies in the circle.


Oh, it's much easier on the keyboard.

Minor feature request: In the start when there are three buttons to pick the mode, I 'd like to use the mouse.

Big feature request: I made a similar simulator a long time ago, and I wished to add an option to show the expected trajectory in the future as a help. Also, show the trajectory in case I press up and in case I press down, so I can get some intuition about the change of the trajectory. (I'm not sure if it's possible to do this fast enough. I never added it to my simulator.)


Hi from Argentina! I got the webpage in Spanish, but the examples were in EN, FR, DE x2, i.e. no sample in Spanish.

I read one of the books in DE, and the idea was writen in English instead of German.

Once a (sample?) book is generated in one language, is it cheaper for you to use the AI to translate it?

There are "samples" at the top and "ideas" at the bottom. I found it confusing. I think it's better to have only "samples".


Hi from Germany! Thanks for the feedback.

You're right - the showcase sorting prioritizes "Real Books" (from customers who opted in to share theirs) over "Inspiration" (demo books we generated), which pushes the Spanish example further down. We'll fix the sorting so your language appears first regardless of type.

Good catch on the German book with the English idea - that's the customer's original input, which we didn't translate for the showcase. Will fix.

On "samples" vs "ideas": agreed it's confusing. We'll either make the distinction clearer or merge them into one gallery.

Thanks for the thoughtful feedback!


When the title is super short, it's better to add the subtitle, something like "UF: A traditional Forth system for the Uxn virtual computer"

The orbital of a single atom have a simple closed formula.

H2 is harder, you must determine the distance, make some aproximations and solve the problem that is like the eigenvalues of a matrix, and there is no closed form

With more atoms/electrons the matrix gets exponentialy bigger. Without too many aproximations, probably water is the biggest one you can solve.

If you want something bigger like most molecules in biology, you must do more aproximations. If you want to go down the rabit hole, try googling DFT.


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