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In 1980 Larry Fishman made a prototype acoustic pickup in his basement, and by 1981 he had taken orders for pickups from the Guild Guitar Company.In 1982 the C.F. Martin Guitar Company ordered Fishman pickups; to accommodate it, Fishman and his company rented a larger manufacturing space, and began designing and making pickups for banjos, mandolins, violins, cellos and basses as well.
Smaart running as a spectrum analyzer, in spectrograph view. In spectrograph view, Smaart displays a real-time spectrum analysis, showing the relative strength of audio frequencies for one audio signal. Needing only one channel of audio input, this capability can be used for a variety of purposes.
Simple demo-like music collections were put together on the C64 in 1985 by Charles Deenen, inspired by crack intros, using music taken from games and adding some homemade color graphics. [ citation needed ] In the following year, the movement now known as the demoscene was born.
The Aura Interactor is a wearable force-feedback device developed by Aura Systems [1] that monitors an audio signal and uses Aura's patented electromagnetic actuator technology to convert low frequency audio information into vibrations that can represent actions such as a punch or kick.
This variation in refractive index will produce a phase shift in the pulse, leading to a change of the pulse's frequency spectrum. Self-phase modulation is an important effect in optical systems that use short, intense pulses of light, such as lasers and optical fiber communications systems.
Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. [1] [2] Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism for spin angular momentum. [3]
Full Spectrum Warrior is a squad-based game in which the player issues commands to two fireteams, Alpha and Bravo. Each fireteam has a Team Leader equipped with an M4 carbine . The Team Leaders also carry a GPS receiver, which can be used to locate mission objectives and enemy locations, and a radio for communication with headquarters .
Didymium glasses. Didymium (Greek: δίδυμο, twin) is a mixture of the elements praseodymium and neodymium.It is used in safety glasses for glassblowing and blacksmithing and filter lenses for flame testing, especially with a gas ()-powered forge, where it provides a filter that selectively blocks the yellowish light at 589 nm emitted by the hot sodium in the glass without having a ...