Derailleur gears battery pack and to a small electric motor that drives the derailleur. Although expensive, an electronic system could save a racing cyclist time when changing 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
On the Origin of the "Influencing Machine" in Schizophrenia 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, after translation into English by Dorian Feigenbaum, in the "Psychoanalytic Quarterly" in 1933. The paper describes Tausk's observations and psychoanalytic interpretation of paranoid delusion that occurs in patients diagnosed with schizophrenia. The delusion often involves their being influenced by a "diabolical machine", just outside the technical understanding of the victim, that influences them from afar. It is typically believed