Imaging

Thermographic camera on the cheap

Jörn Loviscach shares strategies for thermographic imaging using an infrared thermometer and custom software. Impressive results considering IR thermometers can be had for less than a hundred bucks while the cameras cost several thousand. [via Hack a Day] Update: There’s also a related discussion in our forums, where Bill Beatty points out an interesting strategy.

Metallurgical eye candy

Metallurgical eye candy

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 […]

How-To: Magnify your workbench

William Grill needed a better view of his work surface for project prototyping. Using an inexpensive color video camera, he was able to create a simple display system that shows his work at 12x on his PC monitor. “It’s amazing what detail you can see when you view your solder surface mounted parts at 7-, […]