An alloy of 1.3% copper, 0.3% magnesium, and 0.3% manganese in aluminum, etched with potassium permanganate and lye. So I woke up this morning all pumped up to blog about metallography. If you don’t already know, metallography is a type of scientific microimaging that involves mirror-polishing metal surfaces and then etching them with various reagents […]
Here’s an oldie-but-goodie from 2004: Kar-Han Tan, James Kobler, Rogerio S. Feris, Paul Dietz, and Ramesh Raskar, then of the Mitsubishi Electric Research Laboratory (MERL), produced a custom digital camera and software that derives line drawings of a scene, or an object, by analyzing the shadows in four otherwise-identical pictures that are illuminated from different […]
Here’s a super-simple set-up for transferring analog film to digital: A lens (or a macro lens, or a lens with extension rings) is inserted into the circular hole in the front. A negative holder made of two sheets of vinyl with spacers is at the opposite end. After the film is inserted, the box is […]
Image from Kotomatrix.ru via Rolcats Is most powerful laptop in all of Tbilisi, can it be? With all this yammering about socialism, maybe it’s time we examine the craft of lolcats mashed up with soviet era slogans and scenarios. So my Russian is a bit rusty, but occasionally somebody in the comments chimes in with […]
