Dot Physics

Category archives for cool

I found this video to be very entertaining. Dry Ice is LEEEEEEATHALLY DAAAANGEROUS? – These bloopers are hilarious William Beaty’s site has tons of great stuff –

Analysis of Dan Meyer’s photo.

Dan Meyer made this awesome photo. He posted it so that others could look at it and come up with lesson ideas to use with this. There are some very good suggestions in his comments. I wasn’t going to analyze this because I didn’t want to rob some students of the opportunity, but I can’t…

The price of a piece of LEGO

This idea comes from my friend Thomas. His son is like mine in that they both think LEGO are awesome, and they are correct. For some reason, Thomas decided to calculate the price per piece of LEGO in each set. To promote repeatability, I decided to do this also. Looking at the catalog at,…