Derailleur gears Derailleur gears Derailleur gears are a variable-ratio transmission system commonly used on bicycles, consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another. Although referred to as "gears" in the bike world, these bicycle "gears" are technically "sprockets" since they drive or are driven by a chain, and are not driven by one another. Modern front and rear derailleurs typically consist of a moveable chain-guide that is operated remotely by a Bowden cable attached to a shifter mounted on the down tube, handlebar stem, or handlebar. When a rider
On the Origin of the "Influencing Machine" in Schizophrenia In any event, there is no question that television does what the schizophrenic fantasy says it does. It places in our minds images of reality which are outside our experience. The pictures come in the form of rays from a box. They cause changes in feeling and ... utter confusion as to what is real and what is not." On the Origin of the "Influencing Machine" in Schizophrenia "On the Origin of the 'Influencing Machine' in Schizophrenia" is an article written by psychoanalyst Viktor Tausk. It was first published in 1919 in the journal "Internationale Zeitschrift für Psychoanalyse" and then,