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  2. Pickaxe - Wikipedia

    en.wikipedia.org/wiki/Pickaxe

    Pickaxes are commonly carried by Pioneer Sergeants in the British Army. [5] A normal pickaxe handle is made of ash or hickory wood and is about 3 ft (91 cm) and weighs about 2.5 lb (1.1 kg). British Army pickaxe handles must, by regulation, be exactly 3 ft (91 cm) long, for use in measuring in the field. [citation needed] New variant designs are:

  3. Filter design - Wikipedia

    en.wikipedia.org/wiki/Filter_design

    If the design process yields a noncausal filter, the resulting filter can be made causal by introducing an appropriate time-shift (or delay). Filters that do not operate in real time (e.g. for image processing) can be non-causal. Noncausal filters may be designed to have zero delay.

  4. Ambiguity function - Wikipedia

    en.wikipedia.org/wiki/Ambiguity_function

    A more concise way of representing the ambiguity function consists of examining the one-dimensional zero-delay and zero-Doppler "cuts"; that is, (,) and (,), respectively. The matched filter output as a function of time (the signal one would observe in a radar system) is a Doppler cut, with the constant frequency given by the target's Doppler ...

  5. The Incredible Reason Sloths Grow Algae on Their Fur - AOL

    www.aol.com/incredible-reason-sloths-grow-algae...

    The more moths that make the sloth fur their home, the more the algae can grow, and the greener the sloth fur becomes. The sloth has a perfect disguise, and the algae and the moths have a perfect ...

  6. Meta's performance-based cuts could kick off a wider trend in ...

    www.aol.com/metas-performance-based-cuts-could...

    They won't have a lot of time to do it. Employees based in the US will find out about the cuts by February 10. Meta CEO Mark Zuckerberg. Alex Wong via Getty Images.

  7. Travis Kelce Is Here With a Sweet Update About His and ... - AOL

    www.aol.com/travis-kelce-sweet-taylor-swifts...

    Travis Kelce is in his "constantly doing press ahead of the playoffs" era, and has been chatting a ton about his relationship with Taylor Swift. In other words, we are being fed! Speaking on The ...

  8. Traditional mining - Wikipedia

    en.wikipedia.org/wiki/Traditional_mining

    Traditional mining, also known as old-school mining, is a mining method involving the use of simple manual tools, such as shovels, pickaxes, hammers, chisels and pans. [1] It is done in both surface and underground environments. Until the early 1900s, traditional mining was widely used throughout the world.

  9. Bill Gates said he believes he would have been diagnosed with autism if he were growing up today. The tech billionaire made the revelation in his upcoming memoir. Here's what experts had to say.