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Matt Evans
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New blog post about some random crap that's been rattling around in my head for the past couple of weeks.
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Second post on #WordPress, this one about #depression.
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Could Owls Help Make Aircraft Propellers Quieter ?

The University of Cambridge researchers who examined owl feathers found that feathers were made up of microscopic coverings and a porous elastic fringe on the trailing edge that scatters sound without having adverse impacts on aerodynamics.

They copied the structure on 3D-printed plastic and tested it on a wind turbine in a wind tunnel. The researchers were able to register significantly reduced noise levels. They believe it could be applied to aircraft propellers or even computer fans to muffle noise.

+ Enjoy reading this article here  -  http://goo.gl/LqCSFr
+ An audio interview with Prof Nigel Peake, University of Cambridge here  - http://goo.gl/gUsnFg




#aircraft #propeller #quiet #owl #feather #sound #aerodynamics #noise #science #discovery #engineering
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Dave Foley - We Done a Sciencin'
Music for every moment. Spotify is a digital music service that gives you access to millions of songs.
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Matt Evans

commented on a video on YouTube.
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Don't normally care for this show, but I'll listen to almost any interview with Doc Bob.

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The genetic change that caused peppered moths to become dark in the UK during the industrial revolution has been traced. As it turns out, it's the same gene that controls the colours of the Heliconius family of tropical butterflies. "Scientists have discovered the specific mutation that famously turned moths black during the industrial revolution.

In an iconic evolutionary case study, a black form of the peppered moth rapidly took over in industrial parts of the UK during the 1800s, as soot blackened the tree trunks and walls of its habitat.

Now, researchers from the University of Liverpool have pinpointed the genetic change that caused this adaptation.

They have also calculated the most likely date for the mutation - 1819.

Their study appears in the journal Nature, alongside a second paper, which describes how the same gene allows tropical butterflies to switch between different colour schemes.
[...]
The second Nature paper concerned with the cortex gene explores its role in the Heliconius family of tropical butterflies.

Dr Nicola Nadeau from the University of Sheffield was the first author of that study. "It's amazing that the same gene controls such a diversity of different colours and patterns in butterflies and a moth," she said.

Her findings implicate cortex in the Heliconius butterflies' unusual habit of exchanging DNA and mimicking each other's dramatic colouring, which helps ward off predators."
Scientists unravel details of the famous mutation that turned moths black during the industrial revolution.
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Let's see if I have the discipline to stick with this. The blog is entitled "NotWorththeBreath" in reference to how I usually feel about the physical act of speaking.
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New tune I wrote 8/6-8/7/2014

#music #acoustic #homerecording #demo  
The Big Zero
Tick Tock (Had Enough)
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Decided to set up a SoundCloud stream for my shitty music. Figured it would be more convenient to have the ability to stream it with the option to download instead of having to download the files from my Google Drive and listen to them locally.
37 year old dude from southern WV. Been writing music on-and-off since 1995 (mostly off as of late). Interested in science, skepticism, music, and bad movies. Most of the tracks uploaded here were recorded using a terrible computer headset mic, some were recorded on an almost equally terrible Tascam X-14 4-track recorder and transferred to the computer, and one or two were recorded with a smartphone.
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Here's a little "Is that in the Bible?" fun... Ezekiel 23:19-20 (RSV):

"Yet she increased her harlotry, remembering the days of her youth, when she played the harlot in the land of Egypt and doted upon her paramours there, whose members were like those of asses, and whose issue was like that of horses."

How's that for "inspired," eh?
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Greenhorn student of comparative mythology/religion, lazy gamer, music fan.
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