Interesting stuff at the Exploratorium

What's going on here? We haven't had this much new product come online so quickly since... since... well, let's just say "in quite a while!" Here's a book to add to your bookshelf: "Building Robot Drive Trains" by Clark & Owings. It's an excellent text on anything you need to know about putting power & […]

Dancing Peacock Spiders with Lightsabers This is just fun to say, even more fun to watch (Via Nerdist). Turning a Tape Gun Into a Prototyping Machine Interesting idea, but not necessarily very practical (Via Makezine). A story-based Japanese Rube Goldberg Machine This Rube Goldberg machine features not only some amazing timing and clever solutions but […]

#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]

The idea of adorning oneself with glowing bits has been around forever, but instead of smearing ourselves with phosphorescent jellyfish or placing fireflies in ears like some uncivilized cavemen we went for simple LED earrings. We made a build that involves a simple slow-scroll RGB LED and a few reflective bits to bounce that pretty […]