Interesting. As animals get bigger, from tiny shrew to huge blue whale, pulse rates slow down and life spans stretch out longer, conspiring so that the number of heartbeats during an average stay on Earth tends to be roughly the … Continue reading
Fantastic. Spirograph – @geogebra Tube bit.ly/XkaDL4 full frontal trochoid features. Maybe purges the obsession. — John Golden (@mathhombre) February 6, 2013 Questions for students: What’s with that fraction on the left side? What does that do? How do I get … Continue reading
“Whatever blows your hair back.” So what’s your favorite proof? Why? Do me a favor and plug it into this spreadsheet, and in a couple of days I’ll put it to a vote.
If your computer can handle it, the things going on in this webpage are _amazing_: http://acko.net/blog/how-to-fold-a-julia-fractal/ — Daniel Schneider (@MathyMcMatherso) January 6, 2013 Astonishing work to put this webpage together.
From a review of a local pizza place: Because of the easily laid out website, I could see that getting three 10-inch pizzas ($6 for plain cheese, $7 for pepperoni, and $9 for a house combo “Carcass” pie with sausage, … Continue reading
Our baby is teething and while I was at the pharmacy, I saw a homeopathic remedy for teething babies with the following ingredients: Belladonna, aka Deadly Nightshade, has what percentage of alkaloids? 0.0000000000003% or 3 x 10^-13% Or if we … Continue reading
New puzzler from Cartalk: How do you make 16 ninety-degree angles out of 4 matchsticks? Visit the Cartalk site for the full text and a hint(?).
Bret Victor (Inventing on Principle) wrote an excellent essay on Learnable Programming. If you have any interest in how people learn computer programming best, or how people learn in general, then go read it. Now. Shoo. And you probably want to read … Continue reading
Neat artwork at the Montclair Art Museum in NJ. How was this designed?
From paritynews: American Airlines has announced that it has received the permission from FAA to allow its pilots to carry and use iPads in the cockpit during “all phases of flight.” According to the airlines, the tablet will enable pilots … Continue reading