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  • How does an hourglass measure time?
    The sand timer hourglass is sometimes referred to as a sand clock or a sandglass. Like other timepieces, it needs to be carefully calibrated. The hourglass maker must test the instrument and fine tune it to measure the correct length of time.

    There are many factors that contribute to the ability of an hourglass…En afficher davantage

  • How to Determine the Appropriate Mobile or Handheld Metal Analyzer for On-the-Spot Metal Testing Tasks
    For metal producers, processors, recyclers, contractors and others, continuous quality control plays a key role in establishing the identity and composition of various metals and alloys from initial melt to finished product or end use. Metals and…En afficher davantage

  • High-Temperature Grease Guide
    There are many criteria to consider when selecting a high temperature grease for hot, grease-lubricated equipment.

    The selection must include consideration of oil type and viscosity, oil viscosity index, thickener type, stability of the composition formed by the oil and the thickener), additive composition and…En afficher davantage

  • Air Force Research Lab orders 15 Silent Arrow unmanned cargo gliders
    Looking for a new way to resupply ground troops, the US Air Force Research Laboratory (AFRL) has ordered 15 cargo glider drone/runway drone from Silent Arrow, a company of Yates Electrospace.

    The AFRL ordered the “Silent Arrow Precision Guided Bundle”, a new glider variant tha…En afficher davantage

  • Understanding the effect of API changes in pharmaceutical processing
    There is, of course, the natural curiosity of the scientist to understand what they are working with, and how the molecule’s journey influences its performance. The regulators who control medicines for the benefit of the patients who take them also require an understanding of w…En afficher davantage

  • What to expect from aluminum clad wood windows
    While comfort, benefits and popularity of modern uPVC windows are obvious and unquestionable in today’s market, there is definitely one thing uPVC windows can’t provide – they cannot replace the naturally warm appearance of real wood. So if you are among those homeowners who appreciate this parti…En afficher davantage

  • Wear in Injection Molds: To Float or Not to Float
    One of the most difficult and challenging mold design issues is how to reduce or eliminate wear in injection molds. After all, the more wear that occurs, the higher the mold repair costs and/or the shorter the life of the mold. It’s a given that both the mold designer and the mold builder are c…En afficher davantage

  • What are the advantages and disadvantages of aluminum tube Tubing?
    Aluminium’s benefits make it a modern, efficient and effective material for building and construction .It’s hard to list off all of the advantages that aluminum tube has to offer. The tremendous diversity in aluminum tube alloys has allowed for faster production processes that are…En afficher davantage

  • What is covered yarn?
    Covered yarns – yarns that consist of at least two yarns. The yarn that is wrapped around gives the looks whereas the core (the fine wire) still provides the functionality (like conductivity).

    What is spandex used for?
    Spandex is used to make garments where a lot of permanent elasticity is required, e.g. in tights, s…En afficher davantage

  • 5 Reasons You Shouldn’t Use Homemade Laundry Detergent
    My goal of this heading isn’t to give you an exact recipe, but to break down the common ingredients in homemade laundry soaps.

    Most homemade laundry ‘detergents’ are made up of water softeners like baking soda, washing soda, and borax and a cleaning agent which is typically a grated bar of…En afficher davantage

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