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    • How Fast Does the Earth Spin?

      How Fast Does the Earth Spin?

      One of the basic questions regarding the earth is, how fast does it spin? The earth is constantly spinning; it spins around its axis. An axis in this case is an imaginary line running through the center of the earth from the North Pole to the South Pole. To calculate how fast the earth spins,

    • Long Range Acoustic Device

      Long Range Acoustic Device

      The LRAD or the long range acoustic device that has been developed by American Technology Corporation is capable of emitting a maximum of 151Db sound within 30 degrees of where the device is pointing. This device can be used as a combatant deterrent weapon or crowd-control device by emitting sounds that are painful to the

    • How a Volcano Erupts

      How a Volcano Erupts

      A volcano is any opening in the Earth’s surface that allows molten rock and volcanic gases to escape from far below the Earth’s surface. Although many volcanoes are mountainous in shape, a volcano can exist in nearly any form, including volcanic vents on the ocean floor, ice volcanoes, which have been found on a variety

    • Pill Identification Numbers

      Pill Identification Numbers

      Many of us require medication for optimum health and this usually leads us to the pharmacist where we pick up our medicine in the form of pills. As the months and years go by our medicine cabinets become full with a variety of different pills for a host of ailments. Sometimes we no longer know

    • What is a Goniometer?

      What is a Goniometer?

      A goniometer is a device that either measures an angle or moves an object along a fixed point to a specific angular position. Goniometers have many uses and can be found in a number of industries. They measure range of motion, determine direction, and measure an object’s dimensions. Goniometers are relatively simple in design and

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