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  2. Test light - Wikipedia

    en.wikipedia.org/wiki/Test_light

    A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test. A test light is simpler and less costly than a measuring instrument such as a multimeter , and often suffices for checking for the presence of voltage on a conductor.

  3. Neon lamp - Wikipedia

    en.wikipedia.org/wiki/Neon_lamp

    A General Electric NE-34 glow lamp, manufactured circa 1930. Neon was discovered in 1898 by William Ramsay and Morris Travers.The characteristic, brilliant red color that is emitted by gaseous neon when excited electrically was noted immediately; Travers later wrote, "the blaze of crimson light from the tube told its own story and was a sight to dwell upon and never forget."

  4. Advanced Test Reactor - Wikipedia

    en.wikipedia.org/wiki/Advanced_Test_Reactor

    Six of the test locations allow an experiment to be isolated from the primary cooling system, providing its own environment for temperature, pressure, flow and chemistry, replicating the physical environment while accelerating the nuclear conditions. The ATR is a pressurized light water reactor (LWR), using water as both coolant and moderator.

  5. Tube tester - Wikipedia

    en.wikipedia.org/wiki/Tube_tester

    The simplest tester is the filament continuity tester, usually with a neon lamp connected in series with the filament/heater and a current limiting resistance fed directly by the mains. There is therefore no need to select the appropriate filament voltage for the particular tube under test, but this equipment will not identify tubes that may be ...

  6. Neon lighting - Wikipedia

    en.wikipedia.org/wiki/Neon_lighting

    Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon lights are a type of cold cathode gas-discharge light. A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at

  7. The best artificial Christmas tree we've ever tested is 40% ...

    www.aol.com/lifestyle/balsam-hill-black-friday...

    The discount you unlock will be dependent on how you customize your tree. We tested the 6.5' tree with clear incandescent lights. If you opt for the 6.5' tree without lights, it's only $299 today ...

  8. MIL-STD-810 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-810

    MIL-STD-810 is maintained by a Tri-Service partnership that includes the United States Air Force, Army, and Navy. [2] The U.S. Army Test and Evaluation Command, or ATEC, serves as Lead Standardization Activity / Preparing Activity, and is chartered under the Defense Standardization Program (DSP) with maintaining the functional expertise and serving as the DoD-wide technical focal point for the ...

  9. The 15 best sales this weekend: Toys, bedding, laptops and more

    www.aol.com/lifestyle/the-15-best-sales-this...

    The dirty water goes into a separate detachable tank that you can easily dump out in the sink. Save $43 | Lowest price of the year. $81 at Amazon. HP. HP 15.6 inch Windows Laptop.