1. Microwave Oven

2. 3.
1946 Percy Lebaron Spencer
Raytheon Co. 1954
4. Microwave Microwave oven
5. Microwave oven

O -> (+),H-> (-)
6. Microwave oven
7. Microwave oven
8. Microwave oven
9. Microwave oven
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11. - Microwave Ovens
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13. Observations About Microwaves

Microwave ovens cook food from inside out

14. They can cook foods unevenly 15. They dont defrost foods well 16. You shouldnt put metal inside them?! 17. Do they make food radioactive or toxic?