enow.com Web Search

  1. Ad

    related to: are markers pens bad for people living in cold temperature and oxygen

Search results

  1. Results from the WOW.Com Content Network
  2. Permanent marker - Wikipedia

    en.wikipedia.org/wiki/Permanent_marker

    Other types, called paint markers, contain volatile organic compounds which evaporate to dry the ink, and are similar to spray paint. Due to solvents such as toluene and xylene often being present in permanent markers, they have a potential for abuse as a recreational drug. The permanent marker was invented in 1952 by Sidney Rosenthal.

  3. Paint marker - Wikipedia

    en.wikipedia.org/wiki/Paint_marker

    Another type of paint marker is the solidified paint pen. This is a type of marker, often contained within a twist tube, that is a cylinder of semi-hardened oil-paint with a pointed tip. As one writes with it, the point wears down and must be advanced to in order to continue writing. The marker leaves a mark similar to that of chalk. It is ...

  4. Invisible ink - Wikipedia

    en.wikipedia.org/wiki/Invisible_ink

    Invisible ink can be applied to a writing surface with a specialty purpose stylus, stamp, fountain pen, toothpick, calligraphy pen, Cotton swab, or even a finger dipped in the liquid. Once dry, the written surface looks as if it were blank, with a similar texture and reflectivity as the surrounding surface.

  5. Marker pen - Wikipedia

    en.wikipedia.org/wiki/Marker_pen

    The tip of a green felt-tip pen A box of colored felt-tip pens Marker pen. A marker pen, fine liner, marking pen, felt-tip pen, felt pen, flow marker, sign pen (in South Korea), vivid (in New Zealand), flomaster (in East and South Slavic countries), texta (in Australia), sketch pen (in South Asia), koki (in South Africa) or simply marker is a pen which has its own ink source and a tip made of ...

  6. Cold and heat adaptations in humans - Wikipedia

    en.wikipedia.org/wiki/Cold_and_heat_adaptations...

    Origins of heat and cold adaptations can be explained by climatic adaptation. [16] [17] Ambient air temperature affects how much energy investment the human body must make. The temperature that requires the least amount of energy investment is 21 °C (70 °F). [5] [disputed – discuss] The body controls its temperature through the hypothalamus.

  7. Cryobiology - Wikipedia

    en.wikipedia.org/wiki/Cryobiology

    At least six major areas of cryobiology can be identified: 1) study of cold-adaptation of microorganisms, plants (cold hardiness), and animals, both invertebrates and vertebrates (including hibernation), 2) cryopreservation of cells, tissues, gametes, and embryos of animal and human origin for (medical) purposes of long-term storage by cooling to temperatures below the freezing point of water.

  8. UV marker - Wikipedia

    en.wikipedia.org/wiki/UV_Marker

    UV marker with UV led lamp. An ultraviolet (UV) marker is a pen whose marks are fluorescent but transparent; the marks can be seen only under an ultraviolet light. They are commonly used in security situations to identify belongings or to prevent the reproduction of unauthorized banknotes. UV pens can now be bought at some stationery shops to ...

  9. Skin pen - Wikipedia

    en.wikipedia.org/wiki/Skin_pen

    A skin pen [1] (also surgical pen, [2] surgical marking pen, [3] surgical marker pen, [4] surgical marker, [5] or skin marker pen [6]) is type of pen applied to skin to create an image. These kinds of pens are frequently used by surgeons before proceeding with surgery for either medical purposes or cosmetic surgery .

  1. Ad

    related to: are markers pens bad for people living in cold temperature and oxygen