How did brian Johnson discover microwaves?

How does compression and tension act together by describing when a diver jumps up and down on a diving board? The bending of waves due to a change in speed is? A thermometer used for measuring food temertures should be easy to read and? What is transmitted light gadget? What is the part of the experiment that can not be change? What are two types of energy which come from the sun? What is the fastest plane and its speed? What word means without strength? What are some of the theories about light? What type of starting energy does a drum make? What is the ships displacement formula calculation? What is an intrument for telling direction? When a solution is red does the solution absorb red light strongly or transmit red light strongly? what is wave function? What type of a lever is a hand pump? What is the name of the top plates on a balance beam? 70 degrees Celsius is what degrees Fahrenheit? Many new headphones on the market are called noise reducing because they take sound waves that come in from the outside and add a sound wave to it that is exactly opposite (out of phase) to it these a? Which of these is required for the body's production of energy? What is a term that describes the ability to do work?

How did brian Johnson discover microwaves?