The oPhysics website is a collection of interactive physics simulations. It is a work in progress, and likely always will be. Content will be added as time allows.

About The Author

All of the content on this site was created by me, Tom Walsh. I retired after teaching high school physics for 27 years, and AP Physics for 25 years. Please click my name above to send me feedback about these simulations or suggestions for new simulations I could create.

Stop letting ChatGPT destroy your developer potential. Over-reliance on AI is wrecking your future as a developer!

Cognitive load is how much a developer needs to think in order to complete a task.

With so many different things to do in parallel, I find myself completely agreeing with the arguments in this article.
It is so fun that some simple examples of "simple code" look similar to the ones I come up using in my programs to simplify the understanding of the code when I have to return on it after many months.

There are three questions you have when you’re hiring a programmer (or anyone, for that matter): Are they smart? Can they get stuff done? Can you work with them? Someone who’s smart but doesn’t get stuff done should be your friend, not your employee. You can talk your problems over with them while they procrastinate on their actual job. Someone who gets stuff done but isn’t smart is inefficient: non-smart people get stuff done by doing it the hard way and working with them is slow and frustrating. Someone you can’t work with, you can’t work with.

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