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#density
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I joined a walk audit in my neighbourhood hosted by the local DOT (SDOT) this morning. While many participants expressed strong desires to have sidewalks built, some opposed that ideae because they'd "take away parking." Some of them opposed more housing because "those apartments don't have enough parking and residents will park on-street, taking away 'our' space." I mean, like, wow, so you own a portion of the public road? What gives you more right to on-street parking than new residents?
Yes, I said that out loud. They fell silent, except for one person who murmured "Well you could say that." 
#Density #NIMBY #HousingForAll #Seattle
Water is less dense as a solid than as a liquid, causing ice to float. This ensures that aquatic life can survive beneath the icy surface of lakes in winter, maintaining a habitat.
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@climate @geography
The previous comparison of two maps shows similar to a study of Per Capita CO2 Emissions:
Oil-producing countries in the Persian Gulf are the highest expellents of CO2 per person, followed by developed countries like the #USA, #Australia, #NewZealand, and #Canada: https://www.visualcapitalist.com/visualizing-global-per-capita-co2-emissions/
Visual Capitalist · Visualizing Global Per Capita CO2 Emissions33.6 Gt of CO2 was emitted across the world in 2019. Here we visualize the global per capita CO2 emissions by country and region.
@vonneudeck @climate @anthropocene @geography
A person at @datadon might take the time to compute a comparison of emissions and population footprints. Here is data: https://human-settlement.emergency.copernicus.eu/datasets.php
What is available is to look at the map of emissions density at https://mas.to/@maugendre/112189998576957832 and the below map of population density.
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#ODIAC: a map of human made carbon dioxide emissions
https://svs.gsfc.nasa.gov/5121/ @climate @anthropocene @geography
“Light-touch #density”: In many suburban communities, you don’t need big changes to zoning regulations to increase #housing, add newcomers, build livelier neighborhoods and lower taxes. So, how CAN you do all this? Allow duplexes everywhere in the city and then … just wait. Could it really be that simple? Well, let’s visit Palisades Park NJ and see. https://www.nytimes.com/2024/03/25/opinion/new-jersey-housing-crisis.html
The New York Times · Opinion | New Jersey Has a Lesson for New York’s Housing Crisis
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"Most people are familiar with the large density centers around Hong Kong, Guangzhou, and Shanghai, but the concentration in central China is surprising. The cities of Chengdu and Chonqing, in the Sichuan Basin, are part of a massive population center."
https://www.visualcapitalist.com/cp/3d-mapping-the-worlds-largest-population-densities/
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As an #urbanist, I note that my town is one of the largest settlements in #Vermont, larger than the state capital, #Montpelier, so I am not suggesting we make a "big city" out of a hamlet.
We have an #Amtrak station with a direct line to #NYC, that used to also go directly to #Montreal, and hopefully one day will again. Amtrak is currently constructing a new station house and level boarding platform.
We sit directly astride an #Interstate highway. This is where #density and #urbanism belongs.
"Naturally occurring superheavy #elements beyond those listed in the periodic table could potentially explain why #asteroid 33 Polyhymnia is so dense."
Frankly, this is rubbish of such magnitude, that even some of Avi Loeb's fantastic stories pale in comparison.
No, there are no asteroids with such a high #density that previously unknown ultraheavy elements are needed to explain them.
It is just that their masses are difficult to measure and can be wrong.
#astronomy
https://www.space.com/asteroid-may-contain-element-beyond-periodic-table-new-study
Space · Nearby asteroid may contain elements 'beyond the periodic table', new study suggests
Applications are open for the #Snow Measurement Field School!
Application Deadline: October 18, 2023
The week begins with field and snow safety, then progresses to simple but critical snow measurements like depth, #density and snow water equivalent. Students are then divided into teams and tasked with making field measurements that simulate what would be required in actual field campaigns with the help of instructors.
100x Efficiency: MIT’s Machine-Learning System Based on Light Could Yield More Powerful Large Language Models
MIT system demonstrates greater than 100-fold improvement in energy efficiency and a 25-fold improvement in compute density compared with current systems.
https://scitechdaily.com/100x-efficiency-mits-machine-learning-system-based-on-light-could-yield-more-powerful-large-language-models/#LLM #LargeLanguageModel #efficiency #MIT #light #compute #density
SciTechDaily · 100x Efficiency: MIT’s Machine-Learning System Based on Light Could Yield More Powerful Large Language ModelsMIT system demonstrates greater than 100-fold improvement in energy efficiency and a 25-fold improvement in compute density compared with current systems. ChatGPT has made headlines around the world with its ability to write essays, email, and computer code based on a few prompts from a user. Now
Re: https://twitter.com/GlobalEcoGuy/status/1693069644356030547
When people trade-in their gas cars for EVs, their gas cars are re-sold to other countries and keep on polluting.
(https://edition.cnn.com/2023/05/21/africa/west-africa-benin-used-cars-climate-intl/index.html)
Tire pollution (the microplastics and metal pollutants that come off tires as people drive) is 2000x worse than tailpipe emissions, and EVs don't help with this.
(https://www.washingtonpost.com/climate-environment/2023/07/09/tire-brake-tailpipes-emissions-pollution-cars/)
3,000 pound vehicles for personal transportation make these problems inescapable.
The only thing that makes sense is transitioning beyond cars in general.
TwitterDr. Jonathan Foley on XFinally got an EV today. The Hyundai Ioniq 6.
It’s costs about $7 to “fill it up” and even without renewable energy, it emits the equivalent CO2 as a car that gets 125 mpg in Minnesota.
And it was cheaper (with tax breaks) than almost any other new car I could have bought.
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If we drove somewhat #smaller cars, built more #masstransit, increased the #density of #cities and #suburbs, and worked hard from the start on #battery #recycling, then “lithium demand can be reduced by up to ninety-two per cent in 2050, in comparison to the most lithium-intensive scenarios.
Greg Cocks How The Indian Ocean Geoid Low Was Formed
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https://doi.org/10.1029/2022GL102694 <-- shared paper
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#GIS #spatial #mapping #remotesensing #gravity #geoid #geodesy #IndianOcean #formation #IOGL #model #modeling #geophysics #structuralgeology #crustal #mantle #convection #Tethyan #sea #ocean #subsidence #anomaly #spatialanalysis #spatiotemporal #tomography #density #rock #geology #tectonics #platetectonics
@VPS_Reports Meanwhile of course his policies actively making the housing crisis worse.
The hypocrisy is noteworthy.
Why camps anyway? Are USA citizen so incompetent that building free-to-inhabit panel block apartments on unused land (such as parking lots) is beyond them?
In case you don’t know how important breast #density is to the likelihood of getting/detecting #BreastCancer (I didn’t), the #FDA is now requiring #mammograms include density info. Pass it on to anyone you know with breast tissue.
#KnowledgeIsPower #women #men
https://www.cnn.com/2023/03/09/health/fda-mammogram-regulations-breast-density-wellness