Hack a Day goes autonomous

cuborg

After declaring our independence last fall, complete site autonomy seemed like the next logical step. Using some clever coding we have developed a system that will let Hack a Day run without any intervention. The first layer in this system is topic selection. All tip line submissions are sent through a series of filters. These look for keywords like “firmware”, … Read the rest

Reversing extension tube for macro photography

extension tube

Reversing the lens orientation is common practice in macro photography. To get even more magnification you can increase the distance between the film and lens by using an extension tube or bellows. [Kevin] built this variable length extension tube by modifying a bunch of cheap used filters. When I say “modify” I mean he “broke the glass out with a … Read the rest