The electromagnetic spectrum is the term used by scientists to describe the entire range of light that exists. From radio waves to gamma rays, most of the light in the universe is, in fact, invisible to us! Light is a wave of alternating electric and magnetic fields.The propagation of light isnât much different than waves crossing an ocean.rom radio waves to gamma rays, most of the light in the universe is, in fact, invisible to us! Light is a wave of alternating electric and magnetic fields. The propagation of light isnât much different than waves crossing an ocean.
 Fake Empire  is a song by Brooklyn-based indie rock band The National from their fourth studio album, Boxer. The song was released in June 2008 as the album's third and final single.
First attested from 1797, as underworld term for counterfeit coins. Meaning of the machine (known as a bogus press) was first attested 1828. Sense of phony paper money as well as a general adjective applied to anything, being less valuable than it first appeared was first attested 1848. Later, the word was applied to anything of poor quality.