Conversation so far:
what year did the first flat screen tv come out
In 1997, Sharp and Sony introduced the first large flat screen TV.
What year did the first microwave oven come out?
The countertop microwave oven was first introduced in 1967 by the Amana Corporation.

Question: does the device have other uses besides heating food
Self-contained rewrite: does the microwave have other uses besides heating food