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.
Best cruise deals and last minute cruises on a calendar format. Get best cruise deals to Caribbean, Bahamas, Mexico. Book your cruise online with Carnival Cruise Line.