dec 17, 1946 - Microwave often
Description:
Percy Spencer invented the microwave oven in 1946. It is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. It made the people's lives easier because they could heat food faster without burning it.https://en.wikipedia.org/wiki/Microwave_oven
Added to timeline:
Date:
dec 17, 1946
Now
~ 78 years ago