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Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).
Sphygmomanometer. A sphygmomanometer ( / ˌsfɪɡmoʊməˈnɒmɪtər / SFIG-moh-mə-NO-mi-tər ), also known as a blood pressure monitor, or blood pressure gauge, is a device used to measure blood pressure, composed of an inflatable cuff to collapse and then release the artery under the cuff in a controlled manner, [1] and a mercury or aneroid ...
About half a million Houston-area homes and businesses will still be without electricity next week, the city's largest utility said Thursday, stoking the frustration of hot and weary residents and ...
After adjusting for various risk factors and education levels, researchers found that women with a higher diastolic blood pressure were 16% more likely to develop migraine. No connections between ...
Almost always, a hunger pang is a sign that it’s time to eat. If you really think you might just be thirsty, drink a glass of water and see if the hunger pangs disappear within a few minutes. If ...
Mercury (element) rhombohedral ( hR1) Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum ( / haɪˈdrɑːrdʒərəm / hy-DRAR-jər-əm) from the Greek words hydor (water) and argyros (silver), from which its chemical symbol is derived. [8]
Expect passion and adventure from a Sagittarius and Leo pairing. Both signs share the element of fire and create explosions wherever they go. They share a love of excitement and spontaneity ...