What do the letters E=mc2 stand for ?

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1925 - A Scottish engineer and inventor, born in August 1888, first introduced to the world a live, moving electromechanical system, using light, that would revolutionize the world. He never patented his invention, if he had, his legacy would now be twice that of Microsoft’s Bill Gates Who was he ?

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In Fahrenheit, what is the freezing point of water ?

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What does the abbreviation HTML stand for ?

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If Oxygen is O2, what is O3 ?


In the Periodic Table of Elements, what does Ca stand for ?

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7,800 degrees fahrenheit is the temperature for what natural occurrence ?

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What is more commonly known as a Shooting Star - A. Nebula, B. Asteroid, C. Comet, or D. Meteor ?

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Abu Bakr Muhammad ibn Zakariya Razi, known as Rhazes or Rasis, was a Persian alchemist, chemist, physician, philosopher and scholar. He made fundamental and enduring contributions to the fields of medicine, alchemy, music, and philosophy, recorded in over 184 books and articles in various fields of science. But what discovery did he make that socially changed peoples lives ?

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At what temperature are Celsius and Fahrenheit scales the same ?