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Coil noise mitigation actions include: add some glue (e.g. a layer of glue is often added on the top of television coils ; over the years, this glue degrades and the sound level increases) change the shape of the coil (e.g. change coil shape to a figure eight rather than a traditional coil shape)
Sosumi is an alert sound introduced by Apple sound designer Jim Reekes in Apple Inc.'s Macintosh System 7 operating system in 1991. The name is derived from the phrase "so, sue me!" because of a long running court battle with Apple Corps, the similarly named music company, regarding the use of music in Apple Inc.'s computer products.
It was the second in the BBC Sound Effects series to be credited to the Workshop. It featured sounds from popular television series Doctor Who (all from Season 18 ) and Blake's 7 , as well as effects for the first series of the radio versions of Douglas Adams ' The Hitchhiker's Guide to the Galaxy and James Follett 's Earthsearch .
Electrogravitics had its origins in experiments started in 1921 by Thomas Townsend Brown (who coined the name) while he was in high school. He discovered an unusual effect while experimenting with a Coolidge tube, a type of X-ray vacuum tube where, if he placed on a balance scale with the tube's positive electrode facing up, the tube's mass seemed to decrease; when facing down, the tube's mass ...
Acoustic levitation is a method for suspending matter in air against gravity using acoustic radiation pressure from high intensity sound waves. [1] [2] It works on the same principles as acoustic tweezers by harnessing acoustic radiation forces. However acoustic tweezers are generally small scale devices which operate in a fluid medium and are ...
The Wiegand effect is a macroscopic extension of the Barkhausen effect, [2] as the special treatment of the Wiegand wire causes the wire to act macroscopically as a single large magnetic domain. The numerous small high-coercivity domains in the Wiegand wire outer shell switch in an avalanche, generating the Wiegand effect's rapid magnetic field ...
The statement said the "pulsing sound" has stopped. "The crew is asked to contact mission control when they hear sounds originating in the comm system," NASA said. "The speaker feedback Wilmore ...
Magnetostriction is a property of magnetic materials that causes them to change their shape or dimensions during the process of magnetization.The variation of materials' magnetization due to the applied magnetic field changes the magnetostrictive strain until reaching its saturation value, λ.