Search results
Results from the WOW.Com Content Network
Hearing range describes the frequency range that can be heard by humans or other animals, though it can also refer to the range of levels. The human range is commonly given as 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, and a gradual loss of sensitivity to higher frequencies ...
It is a common understanding in psychoacoustics that the ear cannot respond to sounds at such high frequency via an air-conduction pathway, so one question that this research raised was: does the hypersonic effect occur via the "ordinary" route of sound travelling through the air passage in the ear, or in some other way?
The original novelette "The Songs of Distant Earth" was the cover story for the June 1958 issue of If.Cover art by Mel Hunter. The Songs of Distant Earth is a 1986 science fiction novel by British writer Arthur C. Clarke, based upon his 1958 short story of the same title.
Set in the year 2038, Earth is a cautionary tale of the harm humans can cause their planet via disregard for the environment and reckless scientific experiments. The book has a large cast of characters and Brin uses them to address a number of environmental issues, including endangered species, global warming, refugees from ecological disasters, ecoterrorism, and the social effects of ...
Frey's "Human auditory system response to modulated electromagnetic energy" appeared in the Journal of Applied Physiology in 1961. [1] In his experiments, the subjects were discovered to be able to hear appropriately pulsed microwave radiation, from a distance of a few inches to hundreds of feet from the transmitter.
In Dante Alighieri's Divine Comedy poem Inferno, Hell is a vast cavern and the narrator travels through the center of the Earth and out the other side to Purgatory. In Ludvig Holberg 's 1741 novel Nicolai Klimii iter subterraneum ( Niels Klim's Underground Travels ), Nicolai Klim falls through a cave while spelunking and spends several years ...
You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.
Keith Staskiewicz of Entertainment Weekly gave the book an A−, praising it as "The Devil's Dictionary for a new generation" and concludes that the book's humor and writing style might lead the reader to conclude that "this would actually be a fairly comprehensive guide for extraterrestrial visitors", adding "just so long as they have a sense of humor".