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Undo revision 118030 by Special:Contributions/Truthandjustice (User talk:Truthandjustice)
'''Light''' is the form of radiant [[energy]] that stimulates the [[organ]]s of sight, having for normal human vision wavelengths ranging from about 3900 to 7700 ångstroms and traveling at a speed of about 186,300 miles per second. On the first [[day]], God created light; [[God]] said ''Let there be light,'' and there was light.
[[Category:Physics]]