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@enn_nafnlaus

Aug 22

@Calltoart

@Calltoart I'm not going to waste time of the rest of your litany of falsehoods, but as someone with a hort background, let me dive into that picture, what it shows, and what it doesn't.

This thread will require a number of tweets, so wait for "The End" before responding.

@Calltoart

@Calltoart First: meet RuBisCO: the most abundant protein on Earth.

@Calltoart

@Calltoart You'll see it on this graph of the Calvin Cycle: it takes RuBP (a sugar) and a CO2 from the air to make two 3-PGA molecules. Every 3 times this happens you invest 9 ATP and 6 NADPH (aka, energy), you get half a glucose (sugar) out.

Read 23 tweets

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@enn_nafnlaus

Aug 22

@forsaetisradun

#StableDiffusion imagines Icelandic Prime Ministers (@forsaetisradun) as Zdzisław Beksiński (
@ArtistBeksinski) paintings. Today's series: Katrín Jakobsdóttir (@katrinjak).

#AIArt #AIGeneratedArt

#1/4

#2/4

#3/4

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@enn_nafnlaus

Aug 20

AI-generated art can have a dark sense of humour.

StableDiffusion: "Where's Waldo in Donbas"

(No crowd left, just him...)

"Award-winning travel poster for Donbas"

On the subject: "Russia sowing discord in Europe"

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@enn_nafnlaus

Aug 19

This is over a year old, but I just wanted to call attention to it as it's something I've been pointing out for a while:

forum.abetterrouteplanner.com/blogs/entry/38…

They plot the impact of wind on a Model 3 at different speeds and from different angles on highway-speed travel (100-120kph/62-75mph)

* A 10 kph headwind increases consumption by 19%
* A 10kph tailwind decreases it by 6%
But...
* A 10kph crosswind increases consumption by 8%.

Angled crosswinds are even worse - crosswinds 15-30% forward are nearly as bad as headwinds. Most people find this counterintuitive.

One of the key components of ensuring low drag is delaying flow detachment. As you see here, when the angle in the rear becomes too steep, the laminar flow detaches into a chaotic (high vorticity) low pressure wake (low pressure in the rear across a large area = high drag)

Read 12 tweets

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@enn_nafnlaus

Aug 13

@JesseEMartin

@JesseEMartin @jk_rowling @kristbogi "Protect a young woman" is a funny way to spell "Using her platform to spreading misinformation and successfully lobbying to override medical advice and horribly harm a young trans men and women".

@JesseEMartin

@JesseEMartin @jk_rowling @kristbogi And you have no clue and will never have any clue because you've been taken in by these *ascientific claims that are against medical knowledge and advice*.

*Children* - prepubescent - frequently (indeed, more often than not) reverse. *No* treatment is used apart from counseling.

@JesseEMartin

@JesseEMartin @jk_rowling @kristbogi Indeed, there would be no point anyway before puberty.

Once puberty starts, however, trans teens *virtually never revert*. Not just in the modern era, but in the entire history of medical study on the topic, despite that being *the main goal* through the vast majority of...

Read 33 tweets

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@enn_nafnlaus

Aug 12

https://twitter.com/enn_nafnlaus/status/1557730966306967552

🧵1/20
-= Dive #5 in H.R. 5376: Fuels =-

Today we continue our dive into the extensive senate-passed bill that includes the EV credit, today focusing on a topic that's likely to be more controversial: fuels (including biofuels and hydrogen).

https://twitter.com/enn_nafnlaus/status/1557730966306967552

🧵2/20
Sec. 13201 extends the biodiesel credit by two years, from the end of 2022 to the end of 2024. Annoying, but it's only two years.

Sec. 13202 extends the second-generation biofuel (cellulosic or algal) credit from the end of 2022 to the end of 2025.

🧵3/20
Sec. 13203 creates a "Sustainable Aviation Fuel Credit" of $1,25/gal plus an extra cent for each percentage of net GHG reduction over 50%. Said GHG measurement can include carbon offsets.

SEC. 13204 creates a "Clean Hydrogen" credit, whose value per kg is based on the...

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