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    • What Are Nanorobots?

      What Are Nanorobots?

      A nanobot is an extremely small robot that operates on a microscopic scale. Originally spoken of in science fiction circles, there has been an increased focus on it in biological and robotics research. The term nanorobot was created by combining the terms robot and nanometer. Other common names for robots of this size include nanobots,

    • How Magnets Work

      How Magnets Work

      A magnet is an object formed out of any type of material that can produce its own magnetic field. Such materials include hard magnets and soft magnets. Examples of hard magnets are neodymium magnets and refrigerator magnets which always remember the way in which they were magnetized.Examples of soft magnets are electromagnets, which can be

    • What is a Psychrometer?

      What is a Psychrometer?

      A psychrometer is a type of hygrometer and is used exclusively to determine the relative humidity or moisture content in the air. Psychrometers represent an older humidity measurement form and electronic sensors that depend on changes in electrical resistance and capacitance rather than condensation temperature have widely replaced them. However, psychrometers are still found in

    • Pulse Induction Metal Detectors

      Pulse Induction Metal Detectors

      Metal detector technology has been used for a number of decades to locate various metallic artifacts and precious metallic ores. An uncommon, but accurate metal detector is the Pulse Induction Metal Detector. It uses Pulse Induction Technology to find metals. What is Pulse Induction Technology? In Pulse Induction technology, a coil is used as a

    • Blackbody Radiation

      Blackbody Radiation

      Blackbody radiation refers to the electromagnetic radiation that a blackbody material expels. Blackbody materials are substances that absorb all electromagnetic radiation that comes in contact with it, including light and heat. While a perfect blackbody material does not exist in nature, substances such as ash, soot, and granite come close. When a blackbody material is

    • Fraxel Laser

      Fraxel Laser

      Fraxel laser is a technology that is used for dealing with age spots, melasma (Mask of Pregnancy), sunspots, wrinkles at various parts of the face, upper lip lines, sun burned skin, and acne scars. Today it is the prime technology used for treating acne scars, as it barely creates any downtime. Initially developed and implemented

    • Holograms


      Holograms are three-dimensional images produced through photographic projection. Unlike 3-D graphics or Virtual Reality or Augmented reality displays where the image is projected in a two-dimensional surface and where the illusion of depth is applied, holograms are truly three-dimensional images that do not need special viewing equipments. The first hologram was created in 1947 by

    • Specific Gravity

      Specific Gravity

      Specific gravity is a special case of relative density. That is, a substance’s density is divided by the density of water at 4 F (0 C). Since water has a density of 1 gram/cm3 and all of the units cancel, specific gravity is the same number as density, but without any units (dimensionless). Relative density

    • Oxygen Generators

      Oxygen Generators

      An oxygen generator is a device that produces oxygen on demand, usually through the use of inorganic reactions. There are several types of oxygen generators but each depends on thermal reactions to produce oxygen. This causes the generator to become very hot, between 500 and 1,200 degrees Fahrenheit, and can present a serious fire hazard

    • Driverless Cars

      Driverless Cars

      A driverless car (also autonomous/autopilot/auto-drive car) refers to a car that does not need human intervention to function. The first driverless car achieved a maximum speed of 20 miles-per-hour and was built by Tsukuba Mechanical Engineering Laboratory in 1977. The Mercedes Benz robot van built during the 1980s achieved a full speed of 60 miles-per-hour

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