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A joy buzzer (also called a hand buzzer) is a practical joke device that consists of a coiled mainspring inside a disc worn in the palm of the hand. When the wearer shakes hands with another person, a button on the disc releases the spring, which rapidly unwinds creating a vibration that mimics an electric shock to the unsuspecting victim.
Alternatively, the cushion can be inflated and intentionally operated by hand to produce the noise. A flatulent noise can be made by inflating a toy balloon, then releasing the opening and letting it deflate. The escaping air causes the opening to vibrate and make noise as the balloon is propelled away.
An overinflated whoopee cushion. A practical joke device is a toy intended to confuse, frighten, or amuse individuals as a prank.Often, these toys are harmless facsimiles of otherwise potentially disgusting or terrifying objects, such as vomit or spilled nail polish.
The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is intentionally tuned to be heard primarily by younger people. Nicknamed "Mosquito" for the buzzing sound it plays, the device is marketed as a safety and security tool for preventing youths from congregating in ...
A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink noise, whose power rolls off at ...
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Zener diode based noise source. A noise generator is a circuit that produces electrical noise (i.e., a random signal). Noise generators are used to test signals for measuring noise figure, frequency response, and other parameters. Noise generators are also used for generating random numbers. [1]
This year, the Utah couple decided to make their daughters a European-inspired playhouse in their basement. Throughout the building process, Elise documented the process on TikTok, where many of ...
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