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  2. Acoustic harassment device - Wikipedia

    en.wikipedia.org/wiki/Acoustic_harassment_device

    Acoustic harassment and acoustic deterrents are technologies used to keep animals [1] and in some cases humans away from an area. Applications of the technology are used to keep marine mammals away from aquaculture facilities and to keep birds away from certain areas (for instance in the vicinity of airports and blueberry fields).

  3. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    If you don't have broadband, you'll need to try other steps to fix problems with a dial-up internet connection. An active internet connection is required to be able to access all the best that AOL offers. If you're using broadband (cable) internet and you can't connect, try the following troubleshooting steps in the order listed until you get ...

  4. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Because ultrasonic waves are transmitted through air, hard-surfaced objects tend to reflect most of the ultrasonic energy, while soft surfaces tend to absorb the most energy. When the surfaces are stationary, the frequency of the waves detected by the receiver will be equal to the transmitted frequency.

  5. Troubleshoot a dial-up connection - AOL Help

    help.aol.com/articles/troubleshooting-a-dial-up...

    An active internet connection is required to be able to access all the best that America Online® offers. If you're using dial-up internet and can't connect, try the following troubleshooting steps: Check the dial tone - If you DO have one, it's likely the problem has something to do with your computer. If you DON'T, it's likely the problem has ...

  6. Internet filter - Wikipedia

    en.wikipedia.org/wiki/Internet_filter

    Companies that make products that selectively block Web sites do not refer to these products as censorware, and prefer terms such as "Internet filter" or "URL Filter"; in the specialized case of software specifically designed to allow parents to monitor and restrict the access of their children, "parental control software" is also used.

  7. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    Temporarily disable your firewall and check whether or not you're able to connect to the internet. If your firewall software isn't on the list linked, you will need to contact your firewall software provider for additional info. Disable Protected Mode in Internet Explorer. Protected mode is enable by default and may interfere with AOL Mail.

  8. Ad blocking - Wikipedia

    en.wikipedia.org/wiki/Ad_blocking

    Devices such as AdTrap [73] or Pi-hole use hardware to block Internet advertising. Based on reviews of AdTrap, this device uses a Linux Kernel running a version of PrivProxy to block ads from video streaming , music streaming , and any web browser, [ 74 ] while PiHole acts as a local DNS to block advertisement servers, stopping connected ...

  9. Electronic pest control - Wikipedia

    en.wikipedia.org/wiki/Electronic_pest_control

    Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.