Recent content by BiBi

While we're talking about the Nobel Price and Swedish history, he evented dynamite to help society (like clear roads, etc...) and after the government started using it to hurt people the family used some of their money to fund the Nobel Peace Price :smile: . At least, that's how the story...

thank you so much! I've been asking my friends for almost a week now, but no one had done QED for a while, if at all. thanks again.

you forgot to calculate how fast the algea and other things would grow on the tank...plus, those suckers (almost literal name) can grow pretty big, depending on how big the tank is.

In Richard Feynman's book QED, when writing about multiplying arrows of photons (on page 61 if you have the book handy)he shrinks and turns them at specific numbers, and though I understand why and how it's effective, I don't understand how he determined to shrink and turn the arrows by those...