1901-1950

THE MICROWAVE OVEN..................................by Nadia
==== The Microwave Oven was invented by Raytheon Corpotian on 1946 .It was accident and a surprise he was working with magnetroms and saw that his candy bar had melted and realized what he was doing. It makes food warm or hot and it can defrost. It makes it easier for people to cook.and it has been used the same through all this years. ====

 //The CROSSWORD PUZZL E ﻿ // by: Pato The crossword puzzle was invented in Liverpool ,England during 1913 by Arthur Wayne.The purpose of this invention is to entertain people by word games.This invention was invented on purpose.They have just changed the shapes of the different puzzles.I really don't think this invention could be improved.I think the world wont be any better without crossword puzzles because there would be less ways to entertain ourselfs.

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Chocolate by Sebastian the chocolate chip was invented by Ruth Wakefield in 1930.