Silencing noisy ship propellers
Finnish engineering firm, Wärtsilä, has successfully collaborated with marine engineering researchers at City University London to identify the specific design parameters creating the risk of 'singing propellers'.
Finnish engineering firm, Wärtsilä, has successfully collaborated with marine engineering researchers at City University London to identify the specific design parameters creating the risk of 'singing propellers'.
Engineering
Mar 14, 2016
0
34
Since Edward Snowden revealed the existence of internet surveillance programmes such as XKeyScore, Prism and Tempora, there have been many discussions of digital snooping and its implications for privacy, freedom and civil ...
Internet
Jan 15, 2016
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16
Try to remember a phone number, and you're using what's called your sequential memory. This kind of memory, in which your mind processes a sequence of numbers, events, or ideas, underlies how people think, perceive, and interact ...
Mathematics
Oct 20, 2015
1
148
Brown-headed cowbirds have a reputation for being deadbeat parents: They lay their eggs in other birds' nests and then disappear, the story goes, leaving the care and feeding of their offspring to an unwitting foster family. ...
Plants & Animals
Sep 9, 2015
0
168
Among our greatest achievements as humans, some might say, is our cumulative technological culture—the tool-using acumen that is passed from one generation to the next. As the implements we use on a daily basis are modified ...
Plants & Animals
Aug 26, 2015
1
241
More than 25 million people rely on Adderall and other similar drugs to help treat narcolepsy, depression and attention deficit and hyperactivity disorder (ADHD). But how does amphetamine, the active ingredient in Adderall, ...
Other
May 11, 2015
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17
Researchers from the University of Adelaide say attempts to improve children's attentiveness in the early years could be rewarded with better literacy and maths abilities by ages 6-7 years.
Social Sciences
Dec 11, 2014
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0
The average American receives more than 15 hours a day of digital media, everything from YouTube videos and Netflix movies to computer games and text messages. But how much of that time are we really paying attention? And ...
Economics & Business
Dec 10, 2014
1
0
While many of us rely on passwords to protect our identity, there's more sophisticated identity recognition technology called biometrics that we could use. Security measures that use biometrics rely on a person's unique characteristics ...
Computer Sciences
Nov 4, 2014
0
1
A survey of 142 men and 516 women with experience in field studies in anthropology, archaeology, geology and other scientific disciplines reveals that many of them – particularly the younger ones – suffered or witnessed ...
Social Sciences
Jul 16, 2014
8
0