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The Eustachian tube ( / juːˈsteɪʃən / ), also called the auditory tube or pharyngotympanic tube, [1] is a tube that links the nasopharynx to the middle ear, of which it is also a part. In adult humans, the Eustachian tube is approximately 35 mm (1.4 in) long and 3 mm (0.12 in) in diameter. [2] It is named after the sixteenth-century ...
A magic eye tube or tuning indicator, in technical literature called an electron-ray indicator tube, [1] is a vacuum tube which gives a visual indication of the amplitude of an electronic signal, such as an audio output, radio-frequency signal strength, or other functions. [1] The magic eye (also called a cat's eye, or tuning eye in North America) is a specific type of such a tube with a ...
The summer solstice marks the official start of the summer season and the longest day of the year in the Northern Hemisphere.
Microphonics. Microphonics, microphony, or microphonism [1] [2] [3] describes the phenomenon wherein certain components in electronic devices transform mechanical vibrations into an undesired electrical signal ( noise ). The term comes from analogy with a microphone, which is intentionally designed to convert vibrations to electrical signals.
Take 20% Off Raycon Earbuds, Headphones and Speakers Right Now — Act Fast! Bernadette Deron Updated March 6, 2023 at 6:58 PM
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The United States flew a long-range B-1B bomber over the Korean Peninsula on Wednesday for its first precision-guided bombing drill with South Korea in seven years, the South's military said. The ...
A voltage-regulator tube ( VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a predetermined level. Physically, these devices resemble vacuum tubes, but there are two main differences: Their glass envelopes are filled with a gas mixture, and. They have a cold cathode; the cathode is not heated with a ...