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They often appeared next to a 3.5 mm microphone jack for a remote control on-off switch on early portable tape recorders; the microphone provided with such machines had the on-off switch and used a two-pronged connector with both the 3.5 and 2.5 mm plugs. They were also used for low-voltage DC power input from wall adapters.
The near-field optical (NFO) microscope involved a sub-wavelength aperture at the apex of a metal coated sharply pointed transparent tip, and a feedback mechanism to maintain a constant distance of a few nanometers between the sample and the probe. Lewis et al. were also aware of the potential of an NFO microscope at this time. [14]
A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains ...
An abandoned walrus calf was found on July 30th on a beach in Utqiagvik, a city in northern Alaska, the farthest-northern town in the United States. The Weather Channel shared a video of rescuers ...
Early Tuesday morning, Kamala Harris picks Gov. Tim Walz from Minnesota to be her running mate in the match-up against Trump-Vance, according to media reports. Kentucky Gov. Andy Beshear was among ...
Vera Wang isn’t ready to accept her silver streaks just yet.. Wang, who is turning 75 next month, got candid about aging during a Wednesday, May 22, episode of the “Wiser Than Me” podcast ...
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Context awareness is regarded as an enabling technology for ubiquitous computing systems. Context awareness is used to design innovative user interfaces, and is often used as a part of ubiquitous and wearable computing. It is also beginning to be felt in the internet with the advent of hybrid search engines.