Optical Conversion Tech Images Infrared "In Color"

Mid-infrared (mid-IR) light is rich with information. For cameras sensitive to this portion of the spectrum, cancer cells are sometimes easily spotted. The earth under our feet glows like a campfire. Many “invisible” gases like carbon dioxide, methane and propane are also very much visible in mid-IR.  This new realm of “colors” not available to the human eye may…

Painless FPGA Programming

Illustration: James Provost Once priced out of the reach of enthusiasts, field-programmable gate arrays have become affordable in recent years, and have started popping up in all kinds of neat projects. By the very nature of their reconfigurable hardware, FPGAs can be used in many different ways, such as implementing…