I still think it was incredible," Wozniak said of the blue boxes in his biography. The specific circuit board will go up for auction at 10 a.m. Pacific in Los Angeles.

Though there is nothing wrong with the raw functionality of a plain rectangular PCB, boards that work an edge of aesthetic flare into their layout leave a lasting impression on those who see them. … ...

If you've opened a Mac to upgrade a hard drive or RAM recently you may have noticed that Apple is now using blue circuit board material as opposed to the more traditional green G10-FR4 epoxy ...

A printed circuit board being removed from the Dragonfly 2020 3D printer. “The nano silver particles get melted at very low temperatures — something like 100 and 200 degrees Celsius,” he said.