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  2. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    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 ...

  3. Superluminal communication - Wikipedia

    en.wikipedia.org/wiki/Superluminal_communication

    Superluminal communication is a hypothetical process in which information is conveyed at faster-than-light speeds. The current scientific consensus is that faster-than-light communication is not possible, and to date it has not been achieved in any experiment. Superluminal communication other than possibly through wormholes is likely impossible ...

  4. Comparison of CRT, LCD, plasma, and OLED displays - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_CRT,_LCD...

    For the majority of images it will consume 60–80% of the power of an LCD. OLED displays use 40% of the power of an LCD displaying an image that is primarily black as they lack the need for a backlight, [39] while OLED can use more than three times as much power to display a mostly white image compared to an LCD. [40] Environmental influences

  5. Why sudden loud booms sometimes occur when it's very ... - AOL

    www.aol.com/weather/why-sudden-loud-booms...

    During extreme cold events, you may hear a loud boom and feel like you have experienced an earthquake. However, this event was more likely a cryoseism, also known as an ice quake or a frost quake ...

  6. Slow computer? Here are 6 genius tips to speed it up - AOL

    www.aol.com/lifestyle/6-genius-tips-speed-slow...

    Here are seven ways to tidy up your computer and get back up to speed. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  7. Megahertz myth - Wikipedia

    en.wikipedia.org/wiki/Megahertz_myth

    The megahertz myth, or in more recent cases the gigahertz myth, refers to the misconception of only using clock rate (for example measured in megahertz or gigahertz) to compare the performance of different microprocessors. While clock rates are a valid way of comparing the performance of different speeds of the same model and type of processor ...

  8. Connecticut woman found dead hours before she was to be ... - AOL

    www.aol.com/lifestyle/connecticut-woman-found...

    A 76-year-old Connecticut woman was found dead at her home Wednesday, hours before she was to be sentenced for killing her husband and hiding his body for months while continuing to collect his ...

  9. R U Faster Than a Redneck? - Wikipedia

    en.wikipedia.org/wiki/R_U_Faster_Than_a_Redneck?

    R U Faster Than a Redneck? is an American TV program on the Speed channel. The concept of the show is simple: volunteers can bring their import cars to the Carolina Motorsports Park Kershaw in Kershaw County, South Carolina, to race them against a selection of American muscle cars. If an import beats the American car in the first two heats (the ...