AIM-9 Sidewinder 1970. These were followed from the mid-seventies by the AIM-9L/P which was a substantial improvement on the early versions, particularly with an improved SR-116 reduced-smoke rocket motor. The third generation of the missile (AIM-9L/M) are all-aspect missile which share little in common with the earlier missiles. The name "Sidewinder" was selected in 1950 and is the common name of "Crotalus cerastes", a venomous rattlesnake, which uses infrared sensory organs to hunt warm-blooded prey. Originally called the Sidewinder 1, the first live firing was on 3 September 1952. The missile intercepted a drone for the first time on the 11 September
Sidewinder (slot car) Sidewinder (slot car) Sidewinder is a type of slot car or motorized model car in which the motor shaft is parallel to the driven axle (usually the rear), and power is transmitted through spur gears or, sometimes, a belt, friction or even by direct drive. The word also refers to the transversely mounted motor of such a car. A similar type of slot car that has the motor shaft mounted at an angle to the driven axle is the anglewinder. In general, the sidewinder and anglewinder are less common arrangements than the inline motor, in which the shaft is perpendicular