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  2. The best robotics kits for beginners - Engadget

    www.engadget.com/2019-08-25-the-best-robotics...

    Read the full guide to robotics kits for beginners. When we tested robotics kits for beginners, the Lego Boost set won over the toughest critics: kids. And robotics pros, makers, and hobbyists agreed.

  3. Backwashing (water treatment) - Wikipedia

    en.wikipedia.org/wiki/Backwashing_(water_treatment)

    Backwashing is a form of preventive maintenance so that the filter media can be reused. In water treatment plants, backwashing can be an automated process that is run by local programmable logic controllers (PLCs). The backwash cycle is triggered after a set time interval, when the filter effluent turbidity is greater than a treatment guideline ...

  4. LG's new ThinQ recipe service sources ingredients ... - Engadget

    www.engadget.com/lg-thinq-recipe-service...

    The ThinQ Recipe app will let users choose from up to 10,000 recipes, with the app adding ingredients to your grocery list for delivery from Walmart or Amazon Fresh. LG has partnered with SideChef ...

  5. Slow sand filter - Wikipedia

    en.wikipedia.org/wiki/Slow_sand_filter

    Slow sand filter. Slow sand filters are used in water purification for treating raw water to produce a potable product. They are typically 1–2 m (3.3–6.6 ft) deep, can be rectangular or cylindrical in cross section and are used primarily to treat surface water. The length and breadth of the tanks are determined by the flow rate desired for ...

  6. Ceramic water filter - Wikipedia

    en.wikipedia.org/wiki/Ceramic_water_filter

    A Victorian ceramic water filter. Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, [1] and portable ceramic filters are commonly used in backpacking. [2]

  7. An Olympian couldn’t pay her rent. Flavor Flav and Alexis ...

    www.aol.com/olympian-couldn-t-pay-her-165443247.html

    Veronica Fraley, a discus thrower on Team USA, shared as much earlier this week, when she told her followers on X that she was struggling to make ends meet. “I compete in the Olympic Games ...

  8. The best tech gifts for new moms - Engadget

    www.engadget.com/best-tech-gifts-for-new-moms...

    AMACOOL Battery Operated Stroller Fan. $30 at Amazon. Owlet Cam. $119 at Owlet. LIFX Color, A19 1100 lumens, Wi-Fi Smart LED Light Bulb, Billions of Colors and Whites, No bridge required, Works ...

  9. Berkefeld filter - Wikipedia

    en.wikipedia.org/wiki/Berkefeld_filter

    Schematic diagram of a Berkefeld filter Berkefeld field filter. A Berkefeld filter [1] is a water filter made of diatomaceous earth ().It was invented in Germany in 1891, and by 1922 was being marketed in the United Kingdom by the Berkefeld Filter Co. [2] Berkefeld was the name of the owner of the mine in Hanover, Germany, where the ceramic material was obtained.