Pietro Gambatesa

iOriginal code is on GitHub, if you want to take a look, link: github.com/TheiPhoneDev/i…

We have to remember that what we observe is not nature herself, but nature exposed to our method of questioning. -- W. Heisenberg (Physics and Philosophy, 1958)

Albert Einstein's handwritten notes on relativity (1913)

I removed FastScanner and iOriginal from the App Store. I'm going to build new apps, I got some new ideas. I'm considering to release iOriginal code on GitHub so everyone can have enjoy the app. My other apps will still be available on the App Store.

Today we presented our startup, and we never expected to win the competition. I have not been around in recent times because I was working on this project with my friends. We won the first prize.

Today we presented our startup, and we never expected to win the competition. I have not been around in recent times because I was working on this project with my friends. We won the first prize.

Both died in the same month of the same year. Steve was largely considered a hero while Dennis was largely ignored by the world. Steve Jobs gave us the iPhone, iPad, iPod, and Macintosh. Dennis Ritchie gave us C. And without C: - no Unix - no Windows - no Linux - no C++ - no Objective-C Which means no macOS, no iOS, no Chrome, no Firefox, no Photoshop, no PlayStation, no Xbox. Most of the modern digital world is built on top of his work. The man behind it all🐐

General relativity for babies

The working space of Steve Jobs

Steve Jobs literally predicted the iPhone, the Internet, AI and the next 50 years of technology in a single speech from 1983:

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Happy birthday, Albert Einstein! 🎂 🎈 🎁

FastScanner 4.0 is available to download on the App Store! 4 years of FastScanner, still can't believe it. Thanks to all of you who are using the app! I decided to release it earlier, instead of March 18. Enjoy the update! apps.apple.com/us/app/fastsca…

Today would have been Steve Jobs’ 71st birthday. Happy Birthday, Steve.

GOAT explainer of Physics.

Understand. Don't memorize. Learn principles, not formulas. — Richard Feynman

I'm not going to simplify it, I'm going to tell you what it really is like, and I hope you accept nature as she is - absurd. You don't like it? Go find another Universe!

Richard Feynman's favorite integral trick 🧠 Feynman’s integral trick is a method of evaluating integrals by differentiating them with respect to a parameter that is introduced artificially. The idea is to find a function of two variables, F(x, t), such that the original integral is equal to F(x, 0) for some x. Then, by applying the chain rule, we can obtain a differential equation for F(x, t) and solve it using initial or boundary conditions. The solution will give us the value of the original integral. • Introduce a parameter t and define a function F(x, t) such that the original integral is equal to F(x, 0) for some x. • Differentiate F(x, t) with respect to t and obtain a differential equation for F(x, t). • Solve the differential equation using initial or boundary conditions and find F(x, t) as a function of t. • Plug in t = 0 and get the value of the original integral as F(x, 0). In his autobiography Surely You're Joking Mr. Feynman!, he mentions, I had learned to do integrals by various methods shown in a book that my high school physics teacher Mr. Bader had given me. It showed how to differentiate parameters under the integral sign — it’s a certain operation. It turns out that’s not taught very much in the universities; they don’t emphasize it. But I caught on how to use that method, and I used that one damn tool again and again. If guys at MIT or Princeton had trouble doing a certain integral, then I come along and try differentiating under the integral sign, and often it worked. So I got a great reputation for doing integrals, only because my box of tools was different from everybody else’s, and they had tried all their tools on it before giving the problem to me.

I opted for this kind of sheet, which I already implemented.