Ivan Seeking's latest activity

When I was a kid, my mother had an ever-growing list of excuses I had made to not do something, stuck to the refrigerator door. I should...

Who, the Number-1-pencil cult? Please, they are right up there with flat earthers.

and thats why people make fun of Engineers

Like many PF members I enjoy nature documentaries. When focus switches to Peru the music invariably changes to Peruvian panpipe tunes...

Which part was new to you? :oldbiggrin:

The part where we see the entire thing. ...and the 23rd term.

Based on a couple of other events on this trip, this must have been in 1999. A couple of strange things happened in the Atlanta airport...

I believe it was the summer of 2001 that I made a trip to Peru for my work. I was a private contractor doing automation engineering and...

Recently I learned about the Standard Model Lagrangian.

I learned that $$|e^{i\pi}|=|\pi^{ie}|=|i^{e\pi}|=1$$

TIL about Ewin Howard Armstrong:

My grandmother had that image hanging in the den. I think Zig Zag rolling papers used it later.