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2. Electromagnetic radiation and health - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_radiation...

   Environment portal. Ecology portal. v. t. e. Electromagnetic radiation can be classified into two types: ionizing radiation and non-ionizing radiation, based on the capability of a single photon with more than 10 eV energy to ionize atoms or break chemical bonds. [1] Extreme ultraviolet and higher frequencies, such as X-rays or gamma rays are ...

3. IP code - Wikipedia

   en.wikipedia.org/wiki/IP_Code

   IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...

4. Electromotive force - Wikipedia

   en.wikipedia.org/wiki/Electromotive_force

   e. In electromagnetism and electronics, electromotive force (also electromotance, abbreviated emf, [1][2] denoted ) is an energy transfer to an electric circuit per unit of electric charge, measured in volts. Devices called electrical transducers provide an emf [3] by converting other forms of energy into electrical energy. [3]

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Gorget - Wikipedia

   en.wikipedia.org/wiki/Gorget

   Gorget in a full suit of armour. In the High Middle Ages, when mail was the primary form of metal body armour used in Western Europe, the mail coif protected the neck and lower face. In this period, the term gorget seemingly referred to textile (padded) protection for the neck, often worn over mail. As more plate armour appeared to supplement ...

7. Usekh collar - Wikipedia

   en.wikipedia.org/wiki/Usekh_collar

   The Usekh or Wesekh is a personal ornament, a type of broad collar or necklace, familiar to many because of its presence in images of the ancient Egyptian elite. Deities, women, and men were depicted wearing this jewelry. One example can be seen on the famous gold mask of Tutankhamun. The ancient word wsẖ can mean "breadth" or "width" in the ...