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Lorem Ipsum

@L0reM

theory rich, data lower middle-class; cat person, but no cats; fixed gears; MTG: Cube, EDH; metaphors; masks; epistemology; live in China; those sorts of things

Hangzhou, China Katılım Nisan 2008
2.4K Takip Edilen118 Takipçiler
yeet
yeet@Awk20000·
Destiny reacts to Hasan not being able to name one book he read growing up "I read a decent amount..don't really read as much anymore but I did..um I don't know, I have no like immediate books that come to mind..I'm also terrible at recall in general..if u ask me about any songs, I can never tell u..ask me what my favorite movie, I have a really hard time pulling from my brain..maybe bc it's packed with ridiculous pieces of information about American politics or American history or just world history in general..I'm also very jetlagged rn" -H "Oh no..here's what I don't get..he has a communications or poli sci degree..couldn't u just name a book that u read in class..that's just crazy" -D
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Basil🧡
Basil🧡@LinkofSunshine·
unlikely 😭
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Lorem Ipsum@L0reM·
maybe it would be a good thing if he were to not be so insulated
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agustina vergara cid
agustina vergara cid@agustinavcid·
Imagine this argument but about the right to bear arms in light of gun violence in the US. “I have proposed a constitutional amendment to end the right to bear arms. Cases like this [mass shootings] are not what the 2nd Amendment was intended for.”
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Lorem Ipsum
Lorem Ipsum@L0reM·
we’re already at the threshold of hell, all of America’s institutions are actively being weakened, attacked, and corrupted if at his worst Platner is another Fetterman, that’s still better than a MAGA controlled Senate functioning as a rubber stamp for the idiot king
JJ in NH@JustJoshinNH

You do get it, right? Once the bar is lowered to “abusive lying dirtbag with Nazi tattoo is okay,” things deteriorate. The next guy (because of course it’ll be a guy) won’t have baggage, he’ll have a U-Haul, and standing in his way will be that much harder. And so forth.

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john.cards | nextrare.cards
everyone’s chasing the same charizards while real 1/1s are sitting on facebook marketplace for $250
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Lorem Ipsum@L0reM·
@sleepy_devo I’m very much that guy but I feel no guilt from America, live in China, love my mom and our conversations, but we both recognize that more than two weeks together and we start getting acrimonious
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THE SOY PILL
THE SOY PILL@thesoypill·
THE SOY PILL tweet media
Hutch@hutchinson

@smajj_ Did…you think I was meme’ing when I stressed the importance of winning majorities?

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Hutch
Hutch@hutchinson·
@smajj_ Did…you think I was meme’ing when I stressed the importance of winning majorities?
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Lorem Ipsum@L0reM·
pretty sure the thinking for a lot of people is that it’s really hard to be worse than a Republican, and the fact that a pathological liar with a Nazi tattoo is preferable to a moderate Republican says quite a bit about how depraved the Republican Party is perceived to be
PoIiMath@politicalmath

That is the revelation of the Platner campaign. There is literally nothing that is so bad that it can derail his campaign if he is a Democrat Nazi tattoo? sure, why not Domestic abuse? hey, everyone does it Sexting underage girls behind your wife's back? we put out a video of the wife saying that was all cool, how dare you be upset about it

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Lorem Ipsum
Lorem Ipsum@L0reM·
@thesoypill @ZacksJerryRig @stacycay Zach Weinersmith (of SMBC comics) and Kelly Weinersmith (of Daniel & Kelly’s Extraordinary Universe podcast) wrote a whole book on the feasibility of a lot of space stuff and they are very bearish; space is super hard apparently
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THE SOY PILL
THE SOY PILL@thesoypill·
@ZacksJerryRig @stacycay Don't worry we are on the same side we both hate Elon. And I really like the work you've done with wheelchairs btw. This guy did the math and it seems like it wouldn't need to be that big. x.com/Mookafish/stat…
Mookafish@Mookafish

I've seen a lot of people saying that AI datacentres in space will not work due to the thermal energy from the GPUs. So, I went and actually did some calculations to see how easy it would be to cool down these satellites. (Spoiler: these satellites will work) CALCULATIONS: So, starting with the Stefan-Boltzmann law: Q = ε×σ×A×(Tₛ⁴×Tₑ⁴) A in this equation is the area required to radiate all the thermal energy. Rearranged to solve for area including extra energy radiated from the Sun and Earth: A = Q×Qₑ/ε×σ(Tₛ⁴×Tₑ⁴) Q = watts of thermal energy. SpaceX is aiming for 150KW of power from the solar panels which I have assumed will be entirely converted into thermal energy. Qₑ = watts of thermal energy from radiation from the Sun and Earth. I guessed a value of around 25KW of extra thermal energy incident on the satellite's body, which is probably a MASSIVE over estimate since the satellite is flat and facing 90 degrees relative to the sun. The solar panels wouldn't transfer much heat either through the tiny metal parts which they are attached to. ε = Emissivity of the surface. Apparently the radiators on the ISS have an emissivity of 0.92 so, assuming no advancement in the technology in the decades since they were made, I went with that value. σ = Stefan-Boltzmann constant 5.67×10⁻⁸W/m²K⁴ Tₛ = Temperature of the radiators I am assuming a temperature of 25°C (298.15K) for the satellites, which is quite cool considering the GPUs will probably be operating at temperatures at or above 70°C. Tₑ = Temperature of the surrounding environment Space is about 2.7K (-270.45°C) Putting all of these numbers into the equation: Area = (150×10³ + 25×10³) / 0.92 * 5.67×10⁻⁸ × (298.15 × 2.7⁴) = 424.55m² Now, 424.55m² sounds like a big radiator but let's find out how big each one will actually have to be. Each radiator is double-sided so we divide the area by two which gets 212.27m². Then, since there are two radiators, divide by two again to get 106.14m². The Starship payload door is about seven meters wide, but let's cut down the width of the radiator panels to 6.5 for a little more margin. 106.14 / 6.5 gets us 16.33 meters long. CONCLUSION: In the renders provided by SpaceX, the radiators seem just a little too small according to my calculations. However, I made sure to chose values according to the worst case scenario in my calculations. Just removing the heat radiated from the Sun and Earth from the equation (which I believe would be negligible due to the position of the satellite) returns a length of 14 meters, which is much closer to my estimated length of 13 meters from SpaceX's renders. Using the actual numbers would probably give a radiator with a size very close to what SpaceX has shown us. So, after actually doing the maths, I believe the designs which SpaceX has shown will work just fine. It turns out the very intelligent people at SpaceX know what they are doing.

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