...[[local search (Internet)|local search]], and industry-specific [[vertical search]] engines.
...words and to remove barriers to the [[web crawler|indexing activities]] of search engines.
27 KB (3,938 words) - 22:08, 3 July 2018
...ansmitter. Although the radio signal returned is usually very weak, radio signals can easily be amplified, so radar can detect objects at ranges where other
The war precipitated the research to find better resolution, more portability, more features for that new def
32 KB (4,880 words) - 10:03, 17 June 2019
During [[World War I]], with the need to detect [[submarine]]s, more research into the use of sound was undertaken. The British made early use of underwa
In 1916, under the British Board of Invention and Research, Canadian physicist Robert Boyle took on the active sonar project with [[Al
47 KB (7,317 words) - 15:34, 11 October 2015
...ireless telegraphy" or "radiotelegraphy," is the wireless communication of signals by transmitting [[electromagnetic waves]] at "radio frequencies"—tha
...omagnetic spectrum (''top'') and diagram of radio transmission of an audio signal (''bottom'').</div>
35 KB (5,194 words) - 10:07, 17 June 2019
...transmitters, but in earlier years it may have involved the use of [[smoke signal]]s, [[drum (communication)|drums]] or [[semaphore]]. Today, telecommunicati
...kes [[information]] and converts it to a [[Signal (electrical engineering)|signal]]
40 KB (5,820 words) - 15:45, 18 November 2015
...sm or part of the organism can change, which is useful for [[camouflage]], signaling, temperature regulation, and protection from radiation.
...ch as [[chameleon]]s generate a similar effect by [[cell signaling]]. Such signals can be [[hormone]]s or [[neurotransmitter]]s and may be initiated by chang
31 KB (4,274 words) - 16:50, 13 August 2008
...services and other industries as well. Similar fields include operations research, systems engineering, ergonomics, process engineering and quality engineeri
...ce many analog electronic circuits for audio and sometimes radio frequency processing.
18 KB (2,593 words) - 00:11, 3 March 2018
... original, the sound quality varies widely--worn sources, excessive signal processing are common. Recent British EMI re-releases are generally pleasant sounding.
* [http://www.youtube.com/results?search_type=&search_query=fritz+kreisler&aq=f Kreisler on Youtube]
12 KB (1,708 words) - 21:13, 13 May 2017
...existing outside of earth, many scientists remain hopeful and continue the search. Given that the existence of life beyond earth has ramifications of the gre
...by Alfred Webre in his groundbreaking work as a futurist at the Stanford Research Institute. His view is that humanity lives on an isolated planet in the mid
29 KB (4,279 words) - 16:03, 27 February 2017
...n print may have been in a 1988 report to the [[Corporation for National Research Initiatives]]<ref>R.E. Kahn and V.G. Cerf [http://hdl.handle.net/4263537/20
...io]]. Nevertheless, as a result of the development of the internet and its search potential, digital libraries such as [[the European Library]] and the [[Lib
28 KB (4,049 words) - 19:33, 23 October 2017
... regulate neuronal repair and the removal dead neurons, and participate in signal transmission in the [[nervous system]]. They help in guiding the constructi
...al and external environments. The process by which the mind converts those signals to information is still the subject of study and debate.
16 KB (2,294 words) - 19:25, 19 August 2008
...otect against certain [[cancer]]s, and promote skin health, with diverse research findings.
...ted that the most important function of vitamin E is as a [[cell signaling|signaling molecule]], and that it has no significant role in antioxidant metabolis
53 KB (7,554 words) - 16:18, 23 January 2016
...e the disturbance to the slope. Members should be aware of their duties to search.
Research carried out in [[Italy]]<ref>''Nature'' 368: 21.</ref> based on 422 buried
28 KB (4,333 words) - 14:51, 3 May 2016
...on]], [[idea]], [[thought]] or activity, enabling one to use [[information processing]] systems with limited capacity to handle vast amounts of information avail
Attention involves the selection of some incoming information for further processing. At the same time, we give meaning to the information that is coming in. We
32 KB (4,749 words) - 23:04, 26 April 2016
...n two dozen GPS [[satellite]]s are in [[medium Earth orbit]], transmitting signals allowing GPS receivers to determine the receiver's [[geographic location|l
...750 million per year, including the replacement of aging satellites, and research and development. Despite this fact, GPS is free for civilian use as a [[pub
55 KB (8,183 words) - 16:19, 23 June 2017
...stro-ph/0612786 Status and perspectives of indirect and direct dark matter searches]. 36th COSPAR Scientific Assembly, Beijing, China, 16-23 July 2006. ''Adv
A technique used by the [[Cryogenic Dark Matter Search]] (CDMS) detector at the [[Soudan Mine]] relies on multiple very cold [[ger
10 KB (1,630 words) - 16:04, 10 August 2013
...Douglas Harper, 2001. [http://www.etymonline.com/index.php?search=spectrum&searchmode=none Spectrum]. ''Online Etymology Dictionary''. Retrieved October 17,
...[deconvolution|deconvoluted]] by performing a [[Fourier transform]] on the signal. [[FTMS]] has the advantage of high sensitivity (since each ion is "counted
44 KB (6,414 words) - 14:49, 31 August 2018
...digital [[data]]. Modems can be used over any means of transmitting analog signals, from driven [[diode]]s to [[radio]].
A 2400-bit/s system similar in concept to the 1200-bit/s Bell 212 signaling was introduced in the U.S., and a slightly different, and incompatible,
43 KB (6,933 words) - 16:15, 11 October 2018
The four distinct zones mentioned above are maintained by a complex signaling pathway. In ''[[Arabidopsis thaliana]],'' three interacting ''CLAVATA''
...nd a [[mitogen-activated protein kinase]] (MAPK) that is often involved in signaling cascades (Valster et al. 2000). KAPP is a kinase-associated protein phos
18 KB (2,753 words) - 18:35, 21 November 2008
...> In 1981, the poliovirus genome was published by two different teams of researchers: by [[Vincent Racaniello]] and [[David Baltimore]] at [[Massachusetts In
In 2002, researchers at [[SUNY Stony Brook]] succeeded in synthesizing poliovirus from its ch
79 KB (11,087 words) - 19:09, 4 July 2013