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  #1526  
Old 07-16-2021, 05:49 PM
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Default Re: Drive by science

Interesting thrad on geology:

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  #1527  
Old 07-16-2021, 11:05 PM
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Default Re: Drive by science

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  #1528  
Old 07-16-2021, 11:18 PM
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Default Re: Drive by science

That whole thread is really cool.

In one of the later maps (which I can't link directly to to save my fucking life :shakefist:), he shows how Florida and the gulf coast got basically added up into the southeast United States at one point, which hugely clarifies this other thing I seen about how the middle of Alabama used to be a coastline. (Previously I had been like "sure okay if you say so but I'm not entirely grokking it")

ETA This thing:

How a coastline 100 million years ago influences modern election results in Alabama : MapPorn
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  #1529  
Old 07-16-2021, 11:33 PM
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Default Re: Drive by science

Quote:
Originally Posted by Ensign Steve View Post
That whole thread is really cool.

In one of the later maps (which I can't link directly to to save my fucking life :shakefist:), he shows how Florida and the gulf coast got basically added up into the southeast United States at one point, which hugely clarifies this other thing I seen about how the middle of Alabama used to be a coastline. (Previously I had been like "sure okay if you say so but I'm not entirely grokking it")

ETA This thing:

How a coastline 100 million years ago influences modern election results in Alabama : MapPorn
A reply added this explanation for that interesting map:

Quote:
Someone posted this on some map group I'm in on facebook. It had this as a caption.

"If (like me) you enjoy looking at maps, you might sometimes wonder why a map looks a the way it does. The events leading to a certain demographic being more common here, or a border being drawn there, can often be very complex, and fascinating. Here Iíve gathered 6 maps of the US state of Alabama. Together, these maps tell a story that links a coastline from the time of the dinosaurs, to modern political demographics, via one of the darkest periods of American history.

Map 1 shows us the Cretaceous sediments of Alabama. These sediments are rocks and minerals laid down along the swampy southern coast of the continent of Appalachia, which existed around 100 million years ago. North America had not yet formed at this time.

Map 2 shows the location of Blackland Prairie soil. This soil is known for its high fertility, as a result of the nutrients deposited during the Cretaceous period.

Map 3 shows us modern farm sizes in Alabama. The largest farms (shown in red) can be found in areas with the most fertile soil. This shows us how economically important Blackland Prairie soil is.

Map 4 shows slave populations according to the 1860 census. At that time, slaves accounted for 45% of the stateís population. Only 3% of the state population was made up of free Black citizens. In the darkest regions of the map, enslaved people accounted for over 80% of the population. Slaves mainly worked on cotton plantations, and these plantations were most common in the areas with the most fertile soil.

Map 5 shows us the modern Black population of Alabama. The darkest red areas show more than 44% of the population of the region is Black. Despite the 150 years between these maps, these is still a close correlation between the historic slave populations, and the modern Black populations.

And finally map 6 shows us the results of the 2020 election. Areas with large Black populations are much more likely to vote for the Democratic party (shown in blue). This trend continues to the east and west of Alabama, along the so called ďBlack BeltĒ of the southern USA, and along the buried coastline of the Cretaceous continent of Appalachia.

When we look at maps and data about the modern world, itís easy to forget that everything about our world has been dictated and shaped by the events of history, and prehistory. From ancient continents to terrible atrocities, our world is a product of its past, and understanding that past can be key to helping us better understand the present."
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  #1530  
Old Yesterday, 03:45 PM
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I read some of your foolish scree, then just skimmed the rest.
 
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Default Re: Drive by science

Random thoughts here, but it’s weird to watch science educators fuck up on educating people on science, it’s both a bit disappointing, but also strange because it’s a minor fuck up in actual science education, no one said to exterminate the jews or defended their child sex trafficking buddy or something. What even is *minor* disappointment anyway? I’m so used to people showing themselves as complete dicks.

Steve Mould and Electroboom are pulling from the verratasium school of science education and having a gentlemen’s bet argument over “the mould effect” both publishing videos that are teaching people that science is about competing and being right, not about finding the truth. Worse yet neither of them explained the full phenomenon.

Very shortly, the polymer syphon effect is when you poor a long chain polymer and it continues dragging itself up and over the lip of the glass. The mould effect is that when done with a metal rod and ball chain the chain goes way up and over the glass, to the tune of a meter or more if the chain falls far enough.
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  #1531  
Old Yesterday, 06:33 PM
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I read some of your foolish scree, then just skimmed the rest.
 
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Default Re: Drive by science

Related to science education and how I think smart phones could revolutionize it, a question to ponder with a bad drawing,

A plastic bottle is placed on its side against a block with some water in it, the rest is filled with an air fuel mixture. The cap contains a hole from which it is lit. What happens?
(I’ve done this with my crap phone slomo and was surprised by the results.)
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  #1532  
Old Today, 04:07 AM
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Default Re: Drive by science

To triple post as this is indeed drive by science, not drive by questions, the answer, with slo mo footage.

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