Microwaves, extremely short radio waves. The term is usually used to refer to radio waves with a wavelength between 30 centimeters and 3 millimeters—that is, with a frequency between 1 gigahertz (billion hertz) and 100 gigahertz.
WHAT'S INSIDE: PHYSICAL SCIENCE
- Forensic Science
- History of Physical Science
- Nuclear Science
FEATURED: PHYSICAL SCIENCE
More To Explore
You Might Also Like
If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.
Imagine walking through a field and stumbling upon scads of corpses, all in various states of decomposition. It's not the setting for your next nightmare, but rather a very real discipline of forensic anthropology.