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Tuesday, February 28, 2017
California - 322 A chipmunk investigates my camera.
California - 322
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Monday, February 27, 2017
quasi-normalcy: black-culture: Stop demonizing...
Stop demonizing riots.-@zellieimani
The main contradiction of liberal democracy is that it has largely been shaped through a history of various forms of illegal civil disobedience against entrenched power structures. Such civil disobedience is (retrospectively) seen as justified, and the people committing it are (retrospectively) seen as heroes…but each successive generation is asked to believe that any further civil disobedience would be unreasonable.
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s4d-sc0rpio: eccentric-nae: jehovahhthickness: micdotcom: Geo...
George W. Bush speaks out against Trump’s war with the media, travel ban and Islamophobia
Whoa
What kinda alternate universe are we in. This is something I never thought I’d see.
This means we’re really fucked.This is like some really bizarre but awesome character development
So would he be the “middler of three evils” if people are still going to insist that Hillary is the lesser of two?
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korndoggy:Saw this regarding pewdiepie being dropped by disney...
Saw this regarding pewdiepie being dropped by disney due to his anti-Semitic jokes recently. And couldn’t have said it better.
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chatnoirs-baton: Anousheh Ansari accepts the 2017 Academy Award...
Anousheh Ansari accepts the 2017 Academy Award for Best Foreign Film, ‘The Salesman’ on behalf of Asghar Farhadi
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Sunday, February 26, 2017
kerryhyndman:New map illustration of Paris for the Wall Street...
Saturday, February 25, 2017
usa_0381 Central Park - New York City 2003
usa_0381
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pkatkins: Palisade Head As tenuous as it is during the summer,...
Palisade Head
As tenuous as it is during the summer, I never even thought about how it would be up here with ice and snow on the ground!
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kingdomy: A southern right whale hovers inches over the sandy...
A southern right whale hovers inches over the sandy sea floor by Brian J Skerry
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ICE manhunt forces passengers to show ID to exit domestic flight
ICE manhunt forces passengers to show ID to exit domestic flight:
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Fascism moves quickly. This isn’t even about immigrants anymore. American citizens are being profiled and detained when returning home from abroad. Just ask Muhammad Ali Jr.
Trump’s new military state is ramping up and nobody is safe. I’m starting to wonder when I’m going to get a knock on my door for posting stuff like this.
I have a domestic flight booked for April. I already have anxiety over this happening and how I can keep calm but show my resistance. If I ask their names, do they have to give them to me? What happens if I refuse to show my ID ( I was born in the US and am white?) Will that help or hurt?
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burndownmiddletown: mr-hoodrat: roe-your-boat: disparition: a...
Electron microscope video of a needle on a vinyl record.
H O W
like you can tell me all you want how the sound is stored in the grooves but fucking H O W
HOW DOES THAT GET INTO THE NEEDLE
HOW ARE THE VIBRATIONS TURNED INTO MUSIC THAT YOU CAN HEAR???
H O W
The vibrations aren’t “turned into” music, they are music. When vibrations occur inside your inner ear, your brain processes this as sound.
The grooves in a record are an analogy for these vibrations, a method of remembering them so that they can be recreated later on.
Put your hand on a speaker while loud music is playing and you’ll feel the vibrations. Those are exactly the same vibrations happening inside your ear when you hear the music.
But how do you capture that?
Take a surface that vibrates strongly when a sound is played, like the skin of a drumhead for example. Connect that surface to a little tool - when sound causes the surface to vibrate, the tool digs a little bit into some wax, leaving behind a pattern that matches - in proportion - the vibrations of the surface caused by the sound. This is your analogy (hence: analog music).
Now, when there’s no sound playing, you run that little tool back over the pattern. This causes the skin to vibrate again, this time in response to the tool running over the pattern instead of because of an external sound. The vibrations should match, proportionally, the original vibrations of the music.. and thus these new vibrations, if you were to amplify them, would be a recreation or “recording” of the original music.
That’s oversimplified of course and things have changed a lot since the days of wax, but that is very basically how the process of recording music worked at first, and the general idea of how sound gets from a groove in a record into your brain.
(reblogging for Disparition commentary)
Thank you Science side of tumblr
I hugely appreciate people taking to the time explain stuff like this, as it helps put an end to the “wow, science is magic!” trope that’s become far too common.
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