The diagram shows that when water waves are reflected their direction changes, but their wavelength and frequency remain unchanged. Refraction is the change in direction of a wave as it travels ...
two people in a room conversing at the same volume with no obstacles between them can hear each other clearly as the sound waves move freely in both directions. There are times when it would be ...
In 1971, the Russian physicist Yakov Zel’dovich predicted that electromagnetic waves scattered by a rotating metallic cylinder ... easy way to create the sum of two spinning fields in opposite ...
Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.
Night - Clear. Winds N at 7 to 8 mph (11.3 to 12.9 kph). The overnight low will be 77 °F (25 °C). Sunny with a high of 87 °F (30.6 °C). Winds variable at 8 to 9 mph (12.9 to 14.5 kph). Mostly ...