2.
It was discobered by accident by Percey Spencer in
1946.
He was working with a magnetron, and a chocalate
in his poquet started to melt.
This was because of the high frequency waves this
object made.
History
3.
First we should say that we measure heat by the speed of
the vibrations an object makes.
The magnetron( electronic valve) is a device that
produces microwaves
Food has water, proteins, fats.. and it absorbs this waves
This make the food start to vibrate, and produces heat.
HOW IT WORKS?
5.
Why do they have a rotating plate?
Questions?
6.
Why can´t we put metals or plastics?
Metals conduct heat and electricity, so there would
be a current in the object.
This could cause electric rays.
Questions?
