Developing Traps with Android Studio
admin I recently started a new project developing a simple Android App. Over the years, I have completed many apps, most for my own fun and not math related. The list…
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The Super-Predictor (Newcomb’s Paradox)
This post refers to a problem I got from a video here. There is also a web site where you can place your first idea. The problem is called Newcomb’s…
Mathematical Card Tricks
There are numerous card tricks which use mathematics to work instead of manipulations. I try to collect some here. The page will grow as I find more interesting ones. Let…
Exit Times and Probabilities – Continued
I wrote about the interesting problem of average waiting times here. Inspired by the YouTube short video here, I like to continue with a similar problem. I was thinking about…
ChatGPT – often dumber than a Toddler
I could not believe it. The following idea is from a YouTube video on a channel named @FatherPhi who also has a website. I do not trust anybody on the…
Special Theory of Relativity – Simplified
This posting is due to a conversation I had recently about the problems to understand modern physics. Especially for quantum mechanics and the behavior of the small world, they say…
Nested Square Roots by Ramanujan
The Indian mathematician Srinivasa Ramanujan was as an extremely talented autodidact, capable of doing the most complicated algebraic manipulations. He later worked with Hardy in England fighting with lots of…
Java Course in English
I have used Google’s translator to convert my Java Class into an English Version. That worked surprisingly well. There is still a lot to do, and I will go through…
Average Waiting Times and 42
Let us start with a simple question. How long does it on average take to throw two times 6 in a row when throwing dice? I have treated average waiting…
A ChatGPT Letter written by to Myself
Dear Professor Grothmann, I hope this letter finds you well. I recently had the pleasure of exploring your homepage and was deeply impressed by the breadth of topics you have…