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  2. List of discontinued Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_discontinued_Bose...

    QuietComfort 20. The "QuietComfort 20" (QC20) and QC20i in-ear headphones were released in 2015 and are the company's first in-ear noise cancelling headphones. [17] It received a 2014 Red Dot Design Award. [18] Also, it received a CNET 's Editors' Choice Award of 4.5/5 points for its active noise-cancelling. [19]

  3. List of Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_headphones

    Toggle Wireless over-ear headphones subsection. QuietComfort 35 II. Noise Cancelling Headphones 700. Noise Cancelling Headphones 700 UC. QuietComfort 45. QuietComfort Ultra. Audio sunglasses Bluetooth headphones. True wireless in-ear headphones. Toggle True wireless in-ear headphones subsection.

  4. Bose Corporation - Wikipedia

    en.wikipedia.org/wiki/Bose_Corporation

    Bose store in Century City Bose store at the Hong Kong International Airport. The company was founded in Massachusetts in 1964 by Amar Bose with angel investor funding, including Amar's thesis advisor and professor, Y. W. Lee. [9] Bose's interest in speaker systems had begun in 1956 when he purchased an audio system and was disappointed with its performance. [10]

  5. Bose–Einstein condensate - Wikipedia

    en.wikipedia.org/wiki/Bose–Einstein_condensate

    In condensed matter physics, a Bose–Einstein condensate (BEC) is a state of matter that is typically formed when a gas of bosons at very low densities is cooled to temperatures very close to absolute zero , i.e., 0 K (−273.15 °C; −459.67 °F). Under such conditions, a large fraction of bosons occupy the lowest quantum state, at which ...

  6. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    Variations on the protected/permissive traffic signals in the United States; (1) is the "classic" doghouse five-light signal introduced in 1971; (2) and (3) incorporate flashing yellow arrows. In the US, a flashing yellow arrow is a signal phasing configuration for permissive left turns. An additional aspect displaying a yellow arrow is ...

  7. Beats Electronics - Wikipedia

    en.wikipedia.org/wiki/Beats_Electronics

    Beats Electronics. Beats Electronics LLC (also known as Beats by Dr. Dre, or simply Beats by Dre) is an American consumer audio products manufacturer headquartered in Culver City, California. [ 1 ][ 2 ] The company was founded in 2006 by music producer Dr. Dre and record company executive Jimmy Iovine. Since 2014, it has been an Apple subsidiary.

  8. Flicker vertigo - Wikipedia

    en.wikipedia.org/wiki/Flicker_vertigo

    Flicker vertigo. Flicker vertigo, sometimes called the Bucha effect, is "an imbalance in brain-cell activity caused by exposure to low-frequency flickering (or flashing) of a relatively bright light." [1] It is a disorientation -, vertigo -, and nausea -inducing effect of a strobe light flashing at 1 Hz to 20 Hz, approximately the frequency of ...

  9. List of LED failure modes - Wikipedia

    en.wikipedia.org/wiki/List_of_LED_failure_modes

    List of LED failure modes. Failed blue LEDs. The most common way for LEDs (and diode lasers) to fail is the gradual lowering of light output and loss of efficiency. Sudden failures, however rare, can occur as well. Early red LEDs were notable for their short lifetime.

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