Archive of posts in Oct, 2023

• Oct 31, 2023

  An 🎃 easy 👻 but 🍬 spooky 💀 Ruby challenge

  “It’s the weekend and you’ve just completed a seance with friends. After communing with the dead, you realize a mysterious message was left behind.” What is the decoded message? Use your Ruby skills to find out!

  • Categories: programming
  • Tags: ruby, code golf, fooling around
• Oct 18, 2023

  You can replace $\mathrm i$ with $-\mathrm i$ in the Schrödinger equation?

  When someone asks you why it is $-\mathrm i$ here instead of $\mathrm i$ or the other way around, you can say that this is just a convention. My professor of quantum mechanics once asked the class similar a question, and I replied with this letter.

  • Categories: physics
  • Tags: quantum mechanics, letter, complex