Hello World hackerspace map
Bre Pettis made this “first draft” hackerspace map. Suggestions for additions, anyone?
Month: February 2010
Black-Eyed Pea Salad
Aliza Ess on Homegrown.org shares a healthy lunch with a recipe for black-eyed pea salad using peas she planted herself from a collective garden.
Don’t walk! Controlling a pedestrian sign with an Arduino
In this tutorial about controlling a pedestrian sign with an Arduino you can learn a few things. #1 how to control relays with an Arduino, which is really useful for a ton of different projects. #2 How to use an IR remote to control your Arduino, another cool technique. #3 Never trust a crosswalk sign with an Arduino hanging out of it!
How-To: Valentine Card Garland
I love this sweet and simple way to reuse old Valentine cards. Janna of Mustard Seeds shows how to sew them up in to a cute garland. [via Whip-Up]
Math Monday: Skewer hyperboloid
Skewer hyperboloid By George Hart for the Museum of Mathematics Thirty two shish kabob skewers and 176 small rubber bands are all it takes to make a beautiful hyperbolid of revolution. This is an example of what is called a “ruled surface,” meaning even though it is curved, it is made of straight lines. Below […]
My Dad’s Bread
My father took an early retirement from the sinking ship of print journalism and has, for the past few semesters, been attending cooking school. Its his and my mom’s dream to run a bed & breakfast in New England, so he’s honing his commercial kitchen skills to be the “breakfast” half of the equation (my […]
“Batteries Out of Thin Air”
Gray Matter: Batteries Out of Thin Air @ Popular Science… A battery that runs on air? Why, that’s almost as good as a car that runs on water! Those cars are fantasy, but batteries that run on air are actually quite common, especially among older people. Tiny zinc-air batteries are widely used in hearing aids, […]