Looking at the world we live in today, many things that we have or use are taken for granted. We don't think much about how a telephone works when we're talking to our friends, or how emails and faxes can travel from one unit to another within a blink of an eye. When we go inside our homes and turn on our TV's, do we ever wonder how the human mind could ever comprehend radio waves and electromagnetic energy? How were these things invented? How did anyone get the first ideas to experiment? After all, complex things such as computers, televisions, and microwaves had to have had a great impact on society. And so did simpler things, such as bar codes, plastic, and Velcro.
By 1976, over 60% of U.S. households were using microwaves, just 30 years after its first invention. Today, microwaves are used all around the world, resulting in fresher food, less waste, and money saved. …
