Year: 2010

Winners of Toe-Up 2-at-a-Time Socks

Photography by © John Gruen, from Toe-Up 2-at-a Time Socks by © Melissa Morgan-Oakes, used with permission from Storey Publishing. Congrats to Ellen from Briarcliff Manor, NY, Mary Anne from Ontario, Canada and Nina from Vancouver, Canada, for each winning a copy of Toe-Up 2-at-a-Time Socks by Melissa Morgan-Oaks from our recent giveaway. Thanks to […]

How-To: Levitate a pencil lead

Prolific, anonymous YouTube DIY science guru NurdRage, who in the past has brought us instructions for synthesizing trichlorophenyl oxalate (TCPO) and instructions for using it to make homemade glowstickx, presents this cool video and corresponding Instructable showing how to demonstrate diamagnetic levitation using common pencil lead instead of the usual (and expensive) pyrolytic graphite.

Simple Bots: Barreller

Simple Bots: Barreller

I love miniball bots and other types of ballbots where the electronics and mechanics are housed inside and the vehicle “navigates” by rolling around and bouncing off of stuff. Here’s the same basic idea, inside a cylinder (a clear paint can). It’s the Barreller, by Randy Sarafan. The way the continuous rotation servo is used […]

That Girl! KAL: Which Sleeve?!

Nikol here. I’m almost finished, but I still haven’t committed to a sleeve. I knit one of each and I’m parading around in the mirror trying to decide. Help me pick? That’s the cap on the left and the flutter on the right. The wee sleeve variations eat very little yarn, so I’m making the […]