Here’s a well-documented and rather enlightening project from Embedded Lab: This project demonstrates a technique to measure the heart rate by sensing the change in blood volume in a finger artery while the heart is pumping the blood. It consists of an infrared LED that transmits an IR signal through the fingertip of the subject, […]
According to the New York Times article, “It May Be a Sputnik Moment, but Science Fairs Are Lagging“, fewer students may be participating in science fairs because there’s not enough time in school to do science. An education policy that aims to produce greater interest in science and technology is increasingly at odds with a […]
These rainbow pancakes from Lisa at With Style & Grace aren’t just festive and fun, they’re also gluten free. See how she whipped ’em up over on her blog. More: Rainbow Jell-O Rainbow cake! HOW TO – Sky-High Rainbow Cake The Double Rainbow Cocktail
I love surprises, don’t you? Make this sweet surprise with a heart cake tutorial by i am baker. The heart-shaped red velvet cake is an extra special treat awaing inside a white cake. [via Unfurled]
Instructable user Esterill shows how to make your own swanky under-cabinet LED lighting scheme on a budget and the results are quite professional looking. For extra measure, Esterill used a microcontroller to fade the LEDs up when they’re turned on and added a “half bright” mode for times when dimmer light is desired. Nice touch!
Designer Andrew Byrom made these literal business cards out of his old writing desk. Great pun! [via Steve Hoefer]
This weekend is the Superbowl, Sunday, February 6, 2011 – 6:30pm ET. It’s the Pittsburgh Steelers vs. Green Bay Packers. Like many busy people with a of couple jobs, I didn’t know anything about these teams and didn’t realize it was football season, but I admire the skill, dedication, and technology that goes into the […]
