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2. The 12 Best Wireless Headphones in 2023, According to ... - AOL

   www.aol.com/lifestyle/best-wireless-headphones...

   Wireless headphones free you from the physical shackles of your phone, computer, or stereo system without sacrificing sound quality—and they look good, too. The 12 Best Wireless Headphones in ...

3. The best audiophile headphones in 2022 - AOL

   www.aol.com/news/best-audiophile-headphones-2022...

   Top 3 best audiophile headphones. Elite audiophile headphone: Sony WH-1000XM5. The top spot goes to Sony’s WH-1000XM5 for their exceptional sound quality, active noise cancellation, and high ...

4. The best headphones for every situation - AOL

   www.aol.com/best-headphones-every-situation...

   Need a new pair of headphones? Of course you do. A good pair of headphones are one of life’s essentials. And the thing about life’s essentials is, they could always do with an upgrade. And ...

5. Hearing test - Wikipedia

   en.wikipedia.org/wiki/Hearing_test

   Hearing test. A hearing test provides an evaluation of the sensitivity of a person's sense of hearing and is most often performed by an audiologist using an audiometer. An audiometer is used to determine a person's hearing sensitivity at different frequencies. There are other hearing tests as well, e.g., Weber test and Rinne test .

6. Bell Labs - Wikipedia

   en.wikipedia.org/wiki/Bell_Labs

   Bell's 1893 Volta Bureau building in Washington, D.C.. In 1880, when the French government awarded Alexander Graham Bell the Volta Prize of 50,000 francs for the invention of the telephone (equivalent to about US$10,000 at the time, or about $330,000 now), [2] he used the award to fund the Volta Laboratory (also known as the "Alexander Graham Bell Laboratory") in Washington, D.C. in ...

7. Battelle Memorial Institute - Wikipedia

   en.wikipedia.org/wiki/Battelle_Memorial_Institute

   Battelle Memorial Institute (or simply Battelle) is a private nonprofit applied science and technology development company headquartered in Columbus, Ohio. The institute opened in 1929 but traces its origins to the 1923 will of Ohio industrialist Gordon Battelle which provided for its creation and his mother Annie Maude Norton Battelle who left ...