• Main Menu
  • Science

    • What is Photolithography?

      What is Photolithography?

      Photolithography is the process of making integrated circuits through optical erosion. Rather than directly cutting into an integrated circuit, photolithography is used due to its ability to perform more precise incisions. Photolithography is a highly complex technique and requires both an extremely clean substrate surface and ideal temperature conditions. It can only be used to

    • How Do Xenon Lights Work?

      How Do Xenon Lights Work?

      Xenon is a noble gas–found all the way to the right on the periodic table of elements–that is odorless, colorless and heavy. It has many different uses, but one of the biggest uses that it has is the use in light bulbs. The reason for this is because when xenon is excited, it gives off

    • What is Photoelectron Spectroscopy?

      What is Photoelectron Spectroscopy?

      Photoelectron spectroscopy is the study of energy and how it relates to matter in terms of absorption and production. Photoelectron spectroscopy observes both wavelengths and frequencies and is used to view the physical composition of chemicals and solids. It is used in both analytical and physical chemistry and astronomy in order to study an object’s

    • What is an Acetylene Torch?

      What is an Acetylene Torch?

      Acetylene is a hydrocarbon compound and is the simplest form of alkyne. Acetylene is colorless and extremely unstable in its pure form, which is why it is almost always mixed with other chemicals and handled as a solution. Acetylene was once the preferred gas in welding/cutting applications due to its ability to reach extremely high

    • How Does Lemon Juice Conduct Electricity?

      How Does Lemon Juice Conduct Electricity?

      Lemon juice has a natural pH of 2.0 and is naturally acidic. When mixed with vitamins and other additives in the lemon juice normally found in stores for human consumption, the pH is slightly less acidic with a pH measure of between 2.2 and 3.0. Due to the natural acidicy of lemon juice, it can

    • What is a Plasma Cutter?

      What is a Plasma Cutter?

      A plasma cutter is a device that directs an ionized gas at an object under extreme temperatures. Plasma cutters are often used for industrial purposes, such as cutting metal, and are dependent on plasma, an extremely hot state of matter. Plasma cutters are essentially a type of plasma torch meant for cutting metal rather than

    • 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

    • What Causes Radioactivity?

      What Causes Radioactivity?

      Radioactivity is caused when an atom, for whatever reason, wants to give away some of its energy. It does this because it wants to shift from an unstable configuration to a more stable configuration. The energy that is released when the atom makes this shift is known as radioactivity. In other words, radioactivity is the

    • Biological Computers

      Biological Computers

      Biological computers are special types of microcomputers that are specifically designed to be used for medical applications. The biological computer is an implantable device that is mainly used for tasks like monitoring the body's activities or inducing therapeutic effects, all at the molecular or cellular level. The biological computer is made up of RNA (Ribonucleic

    • What Are Permanent Magnets?

      What Are Permanent Magnets?

      A permanent magnet (ferromagnet) is a material that produces a magnetic field. Permanent magnets are made from ferromagnetic materials, such as iron, and are created when the material is placed inside of a magnetic field. When the magnetic field is removed, the object remains magnetized. Permanent magnets have a permanent magnetic field and do not

    123 queries in 0.206 seconds.