What is a Diesel Particulate Matter Filter? A diesel particulate matter filter (DPF) is a ceramic device that collects the particulate matter in the exhaust stream The high temperature of the exhaust heats the ceramic structure and allows the particles inside to break down (or oxidize) into less harmful components.
Fascinating facts about the invention of the TV Remote Control by inventor Dr. Robert Adler in 1956. Fascinating facts about the invention of Wireless TV Remote Control by Robert Adler in 1956.
Twenty years later, that problem has not yet been solvedâwhich explains the 92 buttons on my nightstand. Indeed, the design of the remote control seems to have stalled out in the 1980s, an era of skinny rectangles and gridded keypads. Today's devices have more rounded edges, like electronic Ã©clairs, and circular keys for selecting from on-screen menus. But their major functions and foibles haven't much changed.