Mark Lecturing in Maryland, not Texas!

Well, we've been back for a few weeks now, and the demobots still have to be unpacked. It was a blast. From what we understand, attendance was up almost 50% over last year. Traffic was backed-up from the local highway to the fairgrounds. There were LOTS of new exhibits. We should know - we've been […]

Today August 21, 2017, we were treated to about 80% solar eclipse. In spite of the smoke, the weather cooperated so we couldn't miss this event. Pinhole projector boxes were made out of cereal and shipping boxes: Fancy ones were mounted onto a tripod, and a phone camera recording a time lapse video was taped to […]

3D printer Using Smartphone Light The creators claim this is the first of its kind, high-resolution portable 3D printer. Interesting idea. (Via Designboom) Tiny Picobug It is adorable and multi-modal - it is capable of flying, crawling and grabbing. (Via IEEE Spectrum) Illuminated Bluetooth Speaker A combination of white oak and LED-illuminated acrylic makes this […]

Hi all. Yesterday's solar race cars were very cool. Lots of neat tech, and a neck'n'neck race to the finish too! I took the extra effort to see some of the cars out at highway speed, then saw them again in-town. These things move! Anyways, enough about that. I got an email from John Hopkins, […]