Peripheral Component Interconnect, or PCI, is a connection system to allow add-in cards for your computer to interact with your microprocessor. The PCI cards get installed into PCI expansion slots ...

First depiction of glasses in Tommaso da Modena's 1352 painting. Source: Tommaso da Modena Eyeglasses have been around since the 14th century. In the early days, they consisted of two small magnifying ...