The promise of this tutorial: the companion tutorial on Ψ-NN ended with a triumph: a neural network that can’t break a law of physics, and that learns how to be that way on its own. But that network had a quiet problem: it could only talk to other neural networks. This tutorial picks up exactly [...]
The promise of this tutorial: by the end you will understand, step by step, how Physics Structure-Informed Neural Network (Ψ-NN) takes an ordinary neural network and rebuilds it so that it literally cannot break a law of physics, and how it figures out how to do that all by itself. We will keep every idea [...]
As an AI researcher, I spend a lot of time thinking about information, models, bias, prediction, and the way intelligence emerges from structure. In AI, we know that the quality of a model depends heavily on the quality, diversity, and organization of the input. If a model is trained only on one kind of data, [...]
China was one of the smoothest, most modern, and most surprising countries I have visited. But I only understood how easy China can be after learning what to prepare in the right order. Before going, I thought the most important things would be flights, hotels, trains, and sightseeing tickets. They are important, of course. But [...]
After a very nice vacation in China, visiting Beijing, Shanghai, and Lijiang, we reached home in Germany today at around 1:20 in the morning. Yesterday, it was raining in Beijing. We took a taxi straight from the hotel to the airport, and I chatted with the taxi driver during the entire ride (thanks to translation [...]
Yesterday, the same guy from our hotel in Lijiang who helped us book a private car for the Jade Dragon Snow Mountain also booked a taxi to take us to the Lijiang Airport. In addition, an old man who works for the hotel carried our luggage from the hotel until the taxi pick-up location on [...]
As I mentioned yesterday, for today, we booked a private tour (the guy at our hotel here in Lijiang helped us book it this time and not Trip.com; we paid 388 x 2 = 776 CNY / 97 Euros in total for both of us) and went to see Jade Dragon Snow Mountain, Yunshanping, Blue [...]
Today, we visited Jade Spring Park and its Black Dragon Pool, which offers a view toward Jade Dragon Snow Mountain. There was no entrance fee, and it was fully enjoyable. The water indeed looked like jade, having its distinct green jade color. On our way there, a guy saw me looking at Mao Zedong’s big [...]
Today, we skipped breakfast at the hotel because I didn’t want to be surprised again like I was yesterday, and went to have a croissant and something to drink nearby at a small bakery and coffee shop which we saw yesterday and thought was worth a try, especially after reading the text „Love arrives through [...]
The last two days in Shanghai were spent enjoying some walking and shopping around Nanjing Road. We also did a caricature drawing, but I didn’t like how one of the girls there drew us; it didn’t look at all like us :)) However, I had a good laugh in a clothes shop, where, while waiting [...]
A From-Scratch Tutorial on Ψ-HDL (Psi-HDL) and Ψ-xLSTM (Psi-xLSTM)A From-Scratch Tutorial on Ψ-NN (Psi-NN)Better World Models for a Multipolar WorldWhat You Need for Visiting China in 2026: A Practical Guide Based on My First TripThank you, China!
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