vibrating tool
71Heat transfer — is a discipline of thermal engineering that concerns the exchange of thermal energy from one physical system to another. Heat transfer is classified into various mechanisms, such as heat conduction, convection, thermal radiation, and phase change …
72Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
73Scratching — is also a present participle of scratch , and may also refer to a form of street art Scratching is a DJ or turntablist technique used to produce distinctive sounds by moving a vinyl record back and forth on a turntable while manipulating the… …
74Fork (disambiguation) — A fork is a utensil for eating and cooking.Fork may also refer to: * Pitchfork, a tined farm implement used to lift hay and perform other tasks * Tuning fork, a vibrating device used to tune musical instruments * Fork (chess), a situation in… …
75Bluechat — is a direct text chat between two or more users, where every one utilizes a bluetooth device (i.e. a modern mobile phone or a PDA) and names it (it will be the user s nickname). The device is generally used in a public and populated space (like a …
76Dental floss — is made of either a bundle of thin nylon filaments or a plastic (Teflon or polyethylene) ribbon used to remove food and dental plaque from teeth. The floss is gently inserted between the teeth and scraped along the teeth sides, especially close… …
77Impulse response — The Impulse response from a simple audio system. Showing the original impulse, the response after high frequency boosting, and the response after low frequency boosting. In signal processing, the impulse response, or impulse response function… …
78Clicker training — a dog. Clicker training is an operant conditioning method for training an animal using a clicker, or small mechanical noisemaker, as a marker for behavior. The method uses positive reinforcement it is reward based. The clicker is used during the… …
79History of LSD — The psychedelic drug/entheogen LSD was first synthesized by the Swiss chemist Albert Hofmann in the Sandoz (now Novartis) laboratories in Basel, Switzerland in 1938. It was not until 5 years later on April 16, 1943, that the psychedelic… …
80Royal Rife — Royal Raymond Rife Royal Raymond Rife (May 16, 1888 – August 5, 1971) was an American inventor and early exponent of high magnification time lapse cine micrography.[1][2] In the 1930s, he claimed that by using a specially designed …
