Rüdiger Klaehn @klaehnr Twitter profile

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@bokeplokalmalam

Rüdiger Klaehn

@klaehnr

1 month

@RealJakeBroe So? A very similar animation can be done for the US being incinerated by Russian nukes. It's called MAD for a reason...

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@klaehnr

11 months

@ThierryBreton Why do you take pride in making the EU more and more irrelevant globally through overregulation?

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@klaehnr

3 months

@PaulSkallas The key to high birth rates is optimism about the future. That is being systematically extinguished everywhere.

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@klaehnr

8 months

@MorningBrew @MKBHD The weird thing is that the review wasn't even that bad. @MKBHD found quite a few things he liked a lot about the car. With a good reaction they could have turned this into a win. Highlight the good parts, acknowledge the issues, publicly address how you are going to fix them.

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@klaehnr

4 months

@dvassallo Why have one? The number of traffic fatalities in Germany is much lower than the EU average. And most of these fatalities are not on highways but on country roads with oncoming traffic. If anything, other EU countries should adopt the German model.

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Rüdiger Klaehn

@klaehnr

3 years

@3bl4ckcr0w5 @elonmusk

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Rüdiger Klaehn

@klaehnr

10 months

@EugeneVinitsky SO went downhill years before ChatGPT. Moderators were condescending and rude not just to beginners but to frequent contributors. I used to spend hours just for fun answering questions. After a few such interactions it just stopped being fun.

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@klaehnr

1 month

@peterrhague This is just Lawfare. Now that Elon has endorsed Trump, they don't want to give him a win before the election.

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Rüdiger Klaehn

@klaehnr

7 months

@ChristophCanne Infrastruktur einfach verrotten lassen geht denen wohl nicht schnell genug. Um die "Transformation" unumkehrbar zu machen muß man sie schon aktiv zerstören. Als nächstes dann Rückbau von Autobahnen.

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@klaehnr

1 month

@PavelK56092333 @RealJakeBroe I don't buy this. They spend a lot of time modernising their SLBMs and ICBMs. If anything, they have neglected their conventional forces before 2022. They have performed more SLBM tests than the US since 2020, including a 4 SLBM salvo launch. The most modern western SLBM is the

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@klaehnr

1 month

@tumtumtum @RealJakeBroe They got second strike capability. All major US and European cities would be gone. The rest would die in nuclear winter. They do regular SLBM tests just like the US. Assuming theirs don't work is foolish.

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Rüdiger Klaehn

@klaehnr

2 years

@jordanbpeterson So where does that idea come from that solar panels can not be recycled? They are mostly glass and aluminium by mass, easily recycled. The rest is semiconductor grade silicon, which is a thin surface coating, which can be removed and reused.

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Rüdiger Klaehn

@klaehnr

7 months

@BellikOzan This is just efficient goalpost moving. They could pivot to "Starship won't make it through reentry", but then they would have to move the goalposts again in a few months...

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@klaehnr

1 month

@tunguz Never thought that I would see the day where I agree with something Mario Draghi says...

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@klaehnr

30 days

@OpenAI As an eu subscriber, that is quite disappointing. Is it because of the EU AI act?

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@klaehnr

7 months

@Riktor52 It takes multiple decades and tens of billions to build a small stretch of high speed rail in California or the UK. Maybe it's not about the technology but about the legal environment?

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Rüdiger Klaehn

@klaehnr

10 months

@DrPhiltill GPS requires general relativity, which uses Riemannian geometry. I am sure the sats use all kinds of simple approximations, but to come up with those you had to actually do the math.

Riemannian geometry - Wikipedia

en.wikipedia.org

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Rüdiger Klaehn

@klaehnr

8 months

@MattZeitlin Cooling power demand is in summer when PV produces power for basically nothing. It's a good thing.

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Rüdiger Klaehn

@klaehnr

2 years

@alex_avoigt This whole topic is so insane... Giga Berlin, 12000 Jobs, 1.4M m3/a BASF Schwarzheide, 2000 Jobs, 3M m3/a Leipa Paper factory, 1000 Jobs, 6M m3/a Steel Plant Eisenhüttenstadt, 2500 Jobs, 7M m3/a Oil refinery PCK Schwedt, 1200 Jobs, 20M m3/a LEAG coal power stations, 114M m3/a

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@klaehnr

4 months

@thesheetztweetz @esa Ariane 6 does not even compete on price anymore. It is not a commercial offering. So the thing that it provides is independent access to space for Europe, and Starship does not do that. Very sad. Ariane 5 was the leading commercial launcher before SpaceX...

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@klaehnr

4 months

@peterrhague Only if it becomes a special economic zone outside EU and UK jurisdiction. Give it a low tax rate, allow crypto, and no insane NIMBY regulations, and it will look like Singapore in 2 decades. Would be a great project for Euro e/acc... CC @beniaminmincu

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@klaehnr

4 months

@culpable_mink Could be worse... You can launch from Spain and then stay over water for 3000km before crossing the Sinai desert. Do this with a Falcon9 or similar rocket that does RTLS, and the views for all holiday destinations along the Mediterranean will be spectacular.

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Rüdiger Klaehn

@klaehnr

3 months

@MichaelAArouet Also they look down on Romania. Whenever things are bad in Germany, they say things like "it might be bad here, but at least we don't live in Romania". Completely unwarranted arrogance. Yeah whatever, I will stay here in backwards rural Romania with my 1 GB fiber connection.

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Rüdiger Klaehn

@klaehnr

9 months

@HubertAiwanger Ich gönne jedem seinen Rausch auf dem Oktoberfest oder im Bierzelt. Aber Cannabis sollte ebenfalls erlaubt sein. Leben und leben lassen - davon könnte Deutschland wirklich mehr vertragen. Was erwachsene Menschen mit ihrem Körper machen geht nur sie selbst etwas an.

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Rüdiger Klaehn

@klaehnr

2 years

@_donalphonso Für den Preis einer Wärmepumpe und Vollsanierung auf KFW-Wasauchimmer-Standard bekommt man ein schönes kleines Haus irgendwo in Süd- oder Osteuropa. Da hat man auch mehr Rechtssicherheit. Erst wieder in Deutschland investieren wenn es wieder Investitionssicherheit gibt.

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Rüdiger Klaehn

@klaehnr

6 months

@HubertAiwanger Schöne Erklärung warum man saisonale Speicher braucht. Aber H2 für PKW ist trotzdem Blödsinn. Auch zum Heizen nur in Ausnahmefällen geeignet. Aber: Wasserstoff für die chemische Industrie und für saisonale Energiespeicherung ist sinnvoll!

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@klaehnr

4 years

@rki_de Hat zwar etwas länger gedauert, aber die App ist vorbildlich in Bezug auf Anonymität und Datenschutz. Außerdem ist nicht nur die App sondern auch das Backend open source. Habe mir die App installiert und werde das auch Bekannten empfehlen.

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@klaehnr

3 months

@peterrhague @RottenS22798277 I don't buy this benign explanation. There does not seem to be a lack of manpower when it comes to policing facebook posts....

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@klaehnr

3 years

@stats_feed True. But Europe has enough area to be self sufficient. I live in Romania 🇷🇴. Lots of space, lots of sun. No NIMBYism. Enough to power most of eastern Europe. Also Spain, southern France, Sicily, Corsica. More cost efficient and more politically viable to build locally.

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@klaehnr

1 month

@Tech_Gibraltar @RealJakeBroe Moscow and St.Petersburg would both get 100s of hits, Wash. DC and NYC just a few dozen... So a few people in the US far away from big cities would survive the initial exchange? That's a relief...

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@klaehnr

10 months

@peterrhague They hate this because it solves a problem they need to have. Just like nuclear energy.

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@klaehnr

3 years

@aherrmann79 Ich habe 4 Kinder. Alle 4 hatten im November letzten Jahres Covid - wohl noch die Wuhan-Variante. Ich war zwei Wochen richtig krank - bei den Kindern hätten wir es nicht gemerkt ohne Test. Bei einem etwas Fieber und Schnupfen. Niemals werde ich meine Kinder impfen lassen.

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Rüdiger Klaehn

@klaehnr

1 year

@HubertAiwanger Natürlich kann man Wasserstoff verbrennen und damit Wärme erzeugen. Das weiß jeder Schüler. Kümmern Sie sich um die Förderung der Herstellung und Speicherung von Wasserstoff aus PV-Überschussstrom in Bayern. Sonst sind solche Projekte nicht wirtschaftlich.

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Rüdiger Klaehn

@klaehnr

4 months

@cpoetzscher 0. Selling EUV lithography machines to TSMC. Look up ASML and Zeiss. I agree that the EU is over regulated and could do much better, but your list is wrong.

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@klaehnr

1 month

@waitbutwhy Perfect situation for a country to have energy intensive industry in the age of PV energy abundance. This is terawatts of basically free power every day. If only they could get their corruption under control, this could become a paradise.

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Rüdiger Klaehn

@klaehnr

4 months

@SPACEdotcom Yes, we should. But the article does not spend much time exploring whether this would actually work. Sure, that moss can survive on mars. But can it also grow under mars conditions? We should make this some kind of X-Price. Every participant gets to submit some species to a

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Rüdiger Klaehn

@klaehnr

11 days

@Robotbeat Goalposts are moving at supersonic velocity.

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@klaehnr

4 months

@wingod And there is that we again. There is no we. In fact, one very strong motivation for space settlement is to finally get away from the we people...

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@klaehnr

1 month

@RobertNil666 @tumtumtum @RealJakeBroe The non-MIRVed version of the Topol-M has a 1 Megaton warhead. That will totally take out a large city in the sense that it would make it unliveable. It won't kill everybody instantly. This is just one... Are we seriously arguing that global thermonuclear war is no big deal?

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@klaehnr

10 months

@alex_avoigt They are unable to do a responsive UI using a touch screen. Not because of some natural latency of the capacitive touch screen, but because of their software. So instead of fixing this problem they are going back. 🤪

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@klaehnr

7 months

@ChristophCanne Warum soll man eine Solaranlage mit 30 Jahren Lebensdauer auf ein Haus bauen was wegen der neuen Sanierungspflichten in 10 oder 20 Jahren sowieso ein wirtschaftlicher Totalschaden ist? Kein Haus aus den 60ern kann man mit vertretbarem Aufwand in ein Passivhaus verwandeln.

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Rüdiger Klaehn

@klaehnr

2 years

@M_Hundhausen Wenn schon Japan als Vorbild, dann auch das hier nicht verschweigen... Niemand hat was gegen Wärmepumpen, aber man braucht halt reichlich günstigen Strom auch im November.

Japan pivots back to nuclear power

But it risks turning away from renewables

www.economist.com

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Rüdiger Klaehn

@klaehnr

1 year

@MrJonasDanner In Deutschland auf jeden Fall. Und die Nachbarn werden dann das Meldeportal benutzen wenn jemand Fleisch grillt... In Osteuropa eher nicht. Eher treten die aus der EU aus.

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Rüdiger Klaehn

@klaehnr

5 months

@hassantsyed @yashevde There is an entire cottage industry of people writing books about the exploits of SpaceX. There is a big list of startups founded by SpaceX alumni. The major engineers at SpaceX will enter the history books for Millenia along with Elon.

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Rüdiger Klaehn

@klaehnr

2 years

@BrianRoemmele Alpaca is nice. And it is awesome to run it on your own machine. But I found it not really comparable in quality with GPT 3.5

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Rüdiger Klaehn

@klaehnr

3 years

@mikethomas361 @pegobry Why? Fukushima was a big mistake, that we should not repeat. But... Tokio is still standing, and even the immediate vicinity of Fukushima is nicer than the default result of coal mining, which is billions of tons of CO2 in the atmosphere and the landscape looking like this.

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@klaehnr

3 months

@DJSnM If you would cut one up you would see lots of conduits and passages that look almost organic. So for me it looks more like vorlon technology from Babylon 5.

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@klaehnr

11 months

@SizeMichael @FromKulak Have you checked on the current state of german heavy industry? It is basically just shutting down. Giving up. Energy is just too expensive. France is doing fine in comparison. Several manufacturers are moving to France. Most to eastern Europe.

Germany went from envy of the world to the worst-performing major developed economy. What happened?

Germany racked up one economic success after another for most of this century. But the loss of Russian natural gas due to the war in Ukraine has dealt a severe blow to its industry through higher...

apnews.com

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Rüdiger Klaehn

@klaehnr

3 years

@ZubyMusic People that are triple vaxxed. Had Covid. Had bad symptoms. And then say "Thank God I was vaccinated, or else it would have been worse. Everybody, get your booster.". I will never understand it.

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Rüdiger Klaehn

@klaehnr

3 years

@bitboy0 @winkelsdorf @FederUndSturm Ich kann mir aber nicht vorstellen daß die Russen ihre Kernwaffen nicht instand halten. Bei den Nuklearstreitkräften haben die Russen in den letzten Jahren sehr viel investiert. Also es sollte sich keiner Hoffnung machen daß die russischen Kernwaffen nicht funktionieren.

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@klaehnr

3 years

@ZubyMusic A problem is that cowardice is socially acceptable. Lots of people talk differently in private than in public. In private they agree that things are going in a very wrong direction. In public they talk about the weather as if nothing was happening. I am done with that.

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@klaehnr

8 months

@mouthofmorrison @DARPA Very cool. I was involved with the TerraSAR/TanDEM mission, doing the mission planning software among other things. Germany was ahead of everybody by a decade and a half, but as usual they were unable to commercialise the tech...

TanDEM-X - Wikipedia

en.wikipedia.org

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Rüdiger Klaehn

@klaehnr

6 days

@peterrhague What's the point of getting there 1 year earlier with an apollo redux architecture? Orbital refueling is such a game changer that if the only thing coming out of Artemis is maturing orbital refueling, it is still worth it.

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@klaehnr

8 months

@Tim_Roehn Oh je. Um kritisch über eine Supermacht zu berichten die einen im Zweifelsfall zu Tode foltern oder einfach mit Drohnen erledigen läßt braucht man eine gewisse Radikalität. Von normalen, nicht radikalen Journalisten werden wir nichts allzu negatives über selbige erfahren.

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Rüdiger Klaehn

@klaehnr

8 months

@AlecStapp What about Sri Lanka? Their democratic government mandated organic farming and outlawed fertilizer import. Unsurprisingly, they had a famine. All western governments have similar policies in various states of implementation.

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@klaehnr

3 months

@Cosmic_Andrew1 It is back. Just not at Boeing. Boeing company culture might be beyond saving due to the reverse takeover of McDonnell Douglas...

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@klaehnr

3 years

@bitboy0 @winkelsdorf @FederUndSturm Das Tritium wird bei modernen Bomben in der 1. Stufe (Kernspaltung) eingesetzt um die nötige kritische Masse zu verringern. Die 2. Stufe (Kernfusion) ist kein Tritium sondern Lithium-Hydrid mit Deuterium.

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@klaehnr

4 months

@joni_askola The democratic west. We don't execute journalists, we just put them in solitary confinement for a decade. Yay.

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Rüdiger Klaehn

@klaehnr

4 years

@UniverCurious Relativity should be this, instead of E = m c^2. This describes the entire geometry of the universe at large scale, and still fits in a single line.

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@klaehnr

2 years

@Gf4Tesla @elonmusk This fits very well. They hate people that offer solutions even more than the people that cause the problem. Except if the solution is "fundamentally changing society"...

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@klaehnr

3 months

@EERandomness @yarden_shafir The overhead of bounds checks in rust is tiny, can be eliminated by the compiler in many cases, and can be disabled entirely in critical sections via unsafe. Don't mix up rust with runtime based languages like java and golang...

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Rüdiger Klaehn

@klaehnr

3 years

@ZubyMusic Away from all the insanity, in rural Romania, with my wife and 4 kids.

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Rüdiger Klaehn

@klaehnr

10 months

@HannoKlausmeier Wir sind umzingelt von Wirklichkeit. Aber wir lassen uns davon nicht aus dem Konzept bringen. Frankreich 94g, Nullnummer Schweden 25g, Nullnummer Finland 127g, Nullnummer Deutschland 624g, Vorreiter beim Klimaschutz

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@klaehnr

10 months

@peterrhague He made a good impression in that podcast. Reasonably knowledgeable about rocketry, and willing to instil a much needed sense of urgency in Blue Origin. Let's hope for the best. Having just SpaceX without any relevant competition is not an ideal situation.

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@klaehnr

2 months

@peterrhague

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Rüdiger Klaehn

@klaehnr

2 months

@markusdd5 @SawyerMerritt If you sell each vehicle at a loss that exceeds the price of the vehicle by a significant factor, can you really call it a "production car"? The distinguishing factor of a product compared to a science experiment or prototype is that you can plausibly sell it at a profit...

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@klaehnr

4 months

@DavePunFun @dvassallo The german approach to driving is an entire package. Good roads, very thorough driver education, and some sections of the Autobahn without speed limit. If you could magically take away the speed limit without changing anything else, you could maybe reduce the number of

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@klaehnr

1 month

@DJSnM Radiating heat from the ISS is a much, much harder problem than radiating away data center heat in SSO. - A data center waste heat radiator will operate at a higher temperature, which matters a lot due to Boltzmann T^4 law. - ISS is in non-SSO LEO, so radiators have to be

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@klaehnr

4 months

@dinaastyy @culpable_mink They do something much more extreme when launching into a polar orbit from Florida. They do a so called dogleg maneuver. The ground track is over the densely populated coast of Florida, and crosses densely populated Cuba less than 1000km after launch.

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Rüdiger Klaehn

@klaehnr

1 year

@peterrhague It's basically this meme over and over again, except they don't want to be mad but usually to "fundamentally transform society" or something. That being said, I doubt drugs against obesity are a great technical solution.

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@klaehnr

8 months

@gfodor People in Haiti are more progressive. They are bravely leading the way to a more equitable and sustainable future.

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Rüdiger Klaehn

@klaehnr

4 years

@DominicRaab You are torturing a journalist and whistleblower to death in Belmarsh prison. @FreeAssange_eu

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Rüdiger Klaehn

@klaehnr

11 months

@ID_AA_Carmack There are giant industries that need hydrogen as feedstock. Fertilizer and various other chemical synthesis applications. This is one of the few actually useful use cases.

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Rüdiger Klaehn

@klaehnr

7 months

@volvoks99 The American mind can not comprehend that Europe does not end in Vienna...

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Rüdiger Klaehn

@klaehnr

2 months

@Luis6113X @ZubyMusic So like the UK?

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Rüdiger Klaehn

@klaehnr

9 years

Unboxed immutable collections for #scala #cats , using typeclasses @d6

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@klaehnr

3 years

@stats_feed I guess Sicily alone could power Europe with room to spare. Not that you would do it of course. Much more practical to produce closer to consumers. But you could...

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@klaehnr

9 months

@gdb That's the thing I am most sad about with impending AGI. I really enjoy coding. I am not afraid of unemployment. Just that something I enjoy very much will become automated and redundant.

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Rüdiger Klaehn

@klaehnr

9 years

Columbus control room during @astro_timpeake #Principia Mission. Telemetry monitoring using #scala and #akka backend

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Rüdiger Klaehn

@klaehnr

2 years

@realGeorgeHotz @amasad @golang Golang is not a good choice. It has so much baggage for a language that is not that old.

I want off Mr. Golang's Wild Ride

My honeymoon with the Go language is extremely over. This article is going to have a different tone from what I've been posting the past year - it's a proper rant. And I always feel bad writing tho...

fasterthanli.me

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Rüdiger Klaehn

@klaehnr

1 month

@elonmusk @SiriusBShaman That seems to be incorrect. For example this tweet is constantly manipulated. Likes and retweets vanish periodically etc. It's almost comical.

Roadtoserfdom

@roadtoserfdom3

4 years

They're not "vaccine passports," they're movement licenses. It's not a vaccine, it's experimental gene therapy. "Lockdown" is at best completely pointless universal medical isolation and at worst ubiquitous public incarceration. Call things what they are, not their euphemisms.

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Rüdiger Klaehn

@klaehnr

4 years

Remote working means that I can go on a mountainbike tour with my kids for lunch break. I am sorry, but free smoothies just can not compete with that. cc @chris_herd

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Rüdiger Klaehn

@klaehnr

3 months

@yarden_shafir A parse error would be just an error, not a panic. In kernel code you avoid panics like the plague. Not even allocation is allowed to panic, so it returns a result instead.

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Rüdiger Klaehn

@klaehnr

10 months

@ESYudkowsky @AffectiveAutism There are lots of groups for which a complex legal code, selectively enforced, is the optimum.

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@klaehnr

2 years

@bio_bootloader Hackernews has a serious "get off my lawn" attitude towards all technologies developed after 2010 or so. Nothing new there.

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Rüdiger Klaehn

@klaehnr

3 years

Want to become energy independent and reduce CO2 emissions? Cut down bureaucracy. The amount of bullshit you have to deal with when you want to build a PV system in the west is insane. Let's just have a moratorium on permit bureaucracy.

Unabhängigkeit von Russland? Wie Bürokratie Deutschlands Energiewende ausbremst - WELT

Deutschland muss unabhängiger werden von Öl und Gas aus Russland. Dafür treibt die Bundesregierung nun den Ausbau von Fotovoltaik voran – auch auf Dächern von Geschäften und Fabriken. Doch der Staat...

www.welt.de

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@klaehnr

7 months

@SciGuySpace There is zero chance Elon will monopolize anything. Just in the US and China there are countless reusable rocket startups. India is also doing well. It is just centrally planned Europe that completely dropped the ball.

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Rüdiger Klaehn

@klaehnr

2 years

@BLKMDL3 If you live in an European city where streets are tiny and parallel parking in tiny parking spots is the default, this is unavoidable. The model Y is pretty wide, and you really don't want it to stick out. I would prefer rims that are not as easily curbed.

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Rüdiger Klaehn

@klaehnr

11 months

@TaiigerBlue @Tesla @WholeMarsBlog @SawyerMerritt @stevenmarkryan @SantoroSystems @coldenvy @TSLAFanMtl @DirtyTesLa @ZacksJerryRig @MKBHD 6 seats to 5 seats. This makes it unsuitable for big families and just an absurdly large 5 seater. Yes, I am angry because I have a cybertruck reservation and 4 kids. Nobody makes evs for large families.

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@klaehnr

8 months

@dsshhh114 Won't work at the scale of SuperHeavy, but very reasonable approach for a smaller F9 sized booster. Great to see reusable rockets spreading everywhere. The only sad thing is that Europe is completely missing, again.

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Rüdiger Klaehn

@klaehnr

3 years

@_donalphonso Das Zeug scheint halt einfach nicht zu wirken... Wie kann man bei den Zahlen zu einem anderen Schluss kommen?

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Rüdiger Klaehn

@klaehnr

1 month

@tunguz Just wait. With the right monetary policy, everybody can be a billionaire...

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Rüdiger Klaehn

@klaehnr

6 months

@peterrhague Also, the comparison is only being used when it is useful to discredit space settlement. When talking about human factors, people say that humans can under no circumstances psychologically survive being in a small spaceship for several months. Yet any spaceship on the way to

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Rüdiger Klaehn

@klaehnr

2 years

@JimKapoo @DisaffectedSci @michaelmalice Had this happen as well. Showed official government stats about COVID mortality by age group to argue that the vax does not make sense as self protection for kids. Reaction: do you have a peer reviewed study to back this up?

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Rüdiger Klaehn

@klaehnr

1 year

@BrianGitt Ammonia requires hydrogen, which can be cheaply produced from PV. Steel can also be made using H2. Cement just requires heat. Plastics is most difficult - CO2 capture + synthesis. Still doable. Why this emotional attachment to fossil fuels?

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Rüdiger Klaehn

@klaehnr

2 years

@sparbuchfeinde In Deutschland gibt es keine zuverlässige und günstige Stromversorgung. Daher kann es hier keine solche Produktion geben. In Polen gibt es günstigen Kohle- und bald Atomstrom.

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Rüdiger Klaehn

@klaehnr

8 months

@alex_avoigt This is way worse for Germany than it is for Tesla. This factory was the one showcase that it is possible to produce even with German bureaucracy and high energy prices. Whenever somebody was complaining about bad conditions in Germany, people would say: look at Tesla, they

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Rüdiger Klaehn

@klaehnr

1 year

@peterrhague Using Energiya would have been a much better way to engage Russian rocket scientists than ISS. More useful to preserve knowledge, more useful in terms of mass to orbit for the US space program. But it would have been too good for Russia. That is probably why the US did not do it

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Rüdiger Klaehn

@klaehnr

6 years

If you are interested in @rustlang and peer to peer networks like @IPFSbot : On the second of May @tomaka17 is going to talk about the rust implementation of @IPFSbot libp2p for @ParityTech .

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Rüdiger Klaehn

@klaehnr

4 years

@alex_avoigt I would be happy to diversify into SpaceX or Starlink stock...

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