Light, microwaves, x-rays, and TV and radio transmissions are all kinds of electromagnetic waves. Different waves are made by their wavelengths. Electric fields are created by differences in voltage, the higher the voltage, the stronger will be the resultant field.lectromagnetic fields are found everywhere in nature, but are invisible to the human eye. There are also many human-made electromagnetic fields. An example of a human-made electromagnetic wave are X-Rays. There are many other types of waves that you can see on this website.
Best Cruise Destination Worldwide for 2016: St. Petersburg, Russia. Best European River Cruise Destination for 2016: Paris, France. River cruising is becoming increasingly popular, and it's no surprise Paris takes the cake with this one.
One of the most attractive features of this type of travel is seeing many cruise destinations on one trip. People who donât travel all that often or want to see a great variety in a short amount of time should choose cruises. One of the best places to go on a cruise for variety is the Mediterranean. Itineraries often include such varied destinations as the South of France, Italy, Croatia, Greece, Turkey, and beyond.