John Bisset shares practical broadcast engineering tips, from handy apps and vintage manuals to transmitter-site checklists ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Barcodes are lines with varying widths and digits that encode essential product details. They are widely used for efficient product identification in various ...