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.
But the concept of remote control caught on and quickly spread to many other types of equipment. Shortly after Tesla's breakthroughs, Spanish engineer Leonardo Torres-Quevedo used wireless telegraph transmitters to control first a tricycle, then an engine-powered boat, and even submarine torpedoes.he boat had a small metal antenna that could receive exactly one radio frequency. Tesla sent signals to the boat using a box -- his version of a remote control -- equipped with a lever and a telegraph key (originally designed to send Morse code signals).