We love Jeri Ellsworth’s electronics videos and have missed them of late (as she’s made the move from Oregon to Washington to work at Valve Software). She’s baaaaack! And with a cool, simple circuit for building a 1-bit analog-to-digital converter (ADC) using a single flipflop IC (such as a 74LS*) to do the sampling. If […]
It can be cocked, rendered safe, loaded, cycled, field-stripped, and even fired, so long as the load is no stronger than a bit of homemade primer. And though it’s clear that the coil springs, at least, are actually metal parts, the rest of it is nothing more than carefully cut, laminated, glued, shaped, and painted paper.
Apparently even Dilbert’s office just got a new 3D printer.
Fellow Midwestern crafter Amy Turn Sharp, of little alouette, wants to make sure your Thanksgiving dinner is complete for ALL of your guests, including the little ones.
Roger Johnston is head the Vulnerability Assessment Team at Argonne National Laboratory. He and his colleagues recently launched security attacks on electronic voting machines to demonstrate how easy it is to steal votes. Conclusion: It’s really easy. And cheap.
Set your Thanksgiving table with beautiful hand-printed leaf napkins!
A slideshow of images from the two-day Maker Faire Africa in Lagos, Nigeria.
