That page does not contain any mention of the microwave oven. The use of microwaves for heating food was patented in 1945 and first commercialized in 1947, well before NASA:

https://en.wikipedia.org/wiki/Percy_Spencer#Career

https://en.wikipedia.org/wiki/Microwave_oven#Commercial_avai...

I don't think the microwave applies here. Folks were nuking food with radio waves as far back as the 30's, long before NASA was even close to being around.

Next you're going to tell us NASA invented sliced bread, the wheel, and fire.