Joined June 2009
94 Photos and videos
Armin retweeted
In the 1960s, a direct flight to Neptune would have taken nearly 30 years. That was longer than most spacecraft could survive. Reaching the outer planets seemed almost impossible. But one engineer, working quietly with a pencil, found a way around this problem. Gary Flandro, a scientist at NASA’s Jet Propulsion Laboratory, was asked to study how spacecraft might travel to the distant planets despite the limits of rocket technology at the time. Fuel was scarce, and engines were not powerful enough for such long journeys. Flandro turned to a clever idea from physics called a gravity assist, sometimes known as a planetary slingshot. The concept is simple in principle. When a spacecraft passes close to a large planet, the planet’s gravity pulls it in and then flings it forward. In doing so, the spacecraft steals a tiny bit of the planet’s motion around the Sun. The planet slows down by an amount too small to notice, but the spacecraft gains a huge increase in speed without using any fuel. With only paper, pencil, and the limited computers of 1965, Flandro calculated the future positions of Jupiter, Saturn, Uranus, and Neptune. What he found was remarkable. In the late 1970s, these giant planets would line up in a rare formation. This alignment would allow a single spacecraft to travel from one planet to the next, gaining speed at each step. This opportunity appears only once every 176 years. Flandro showed that a spacecraft could use Jupiter’s gravity to reach Saturn, then use Saturn to reach Uranus, and finally use Uranus to reach Neptune. This chain of boosts would cut the travel time to Neptune from about 30 years down to just 12. This elegant piece of mathematics changed everything. It became the foundation for the Voyager 1 and Voyager 2 missions, both launched in 1977. Thanks to this precise planning, the two spacecraft sent back the first close images of the outer planets. They later continued their journey beyond the solar system, becoming the first human-made objects to enter interstellar space. All of it began with a simple insight, worked out by hand, that turned an impossible journey into a reachable one.
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Armin retweeted
Es ist mir echt egal, wieviele Millionäre, Milliardäre oder jetzt auch den Billionär es gibt. Mögen sie mit ihrem Geld glücklich werden. Nicht egal ist mir mein Geld und was damit gemacht wird. Welche absurd hohen Steuern und Sozialabgaben ich zu bezahlen habe, wie oft und unter welchem Vorwand jeder Euro besteuert wird und wie ineffizient und ungerecht das Geld eingesetzt werden. Können wir mal bitte hierüber reden. Danke.
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Armin retweeted
Replying to @JillianMichaels
I have often served on the local election committee and would like to share my experience with the German system. Many people consider our electoral system highly reliable, transparent, carefully organized, and well-designed to prevent fraud. I'd like to second that. Absentee ballots must arrive at the election office by 4:00 p.m. on Election Day. If they arrive even one minute late, they are not counted. Polling stations close at 6:00 p.m., and results may not be announced before then. Counting begins only after the polls close, so that no one can be influenced by early results. Counting is done manually and takes about two to four hours. Election committees are made up of people from different political backgrounds to reduce the risk of fraud. Stable preliminary results on national level are usually published around 10:00 p.m. On the following day, the ballots and results are re-counted and checked again at the mayor’s office, and practically always the preliminary results are confirmed without substantial changes. At all stages, ordinary citizens are invited to monitor the election processes in the polling stations. As the one responsible in the polling station, I carefully explain to them what's going on, creating trust and respect for our work. For instance, every package of physical votes are counted at least twice by different people who thus control each other. This takes about six citizens per 1000 - 1500 voters. Maybe you guys across the Pond should look into our electoral system?
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Armin retweeted
Du willst die Armutsquote senken? Einfach: Vertreib die Reichen. Median sinkt. Quote sinkt. Niemand wurde reicher, alle werden ärmer. Aber statistisch gibt es weniger „Arme”.
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Armin retweeted
Alle deutschen Milliardäre zusammen besitzen rund 750 Mrd. €. Selbst bei ihrer vollständigen Enteignung könnte man nicht einmal ein Jahr den deutschen Sozialstaats finanzieren. Die Frage ist nicht, wie man Vermögen einmalig verteilt, sondern wie man es langfristig vermehrt.
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Replying to @welt
Deutschland fehlen keine Strafverfolger, sondern die Fähigkeit, Sinn von Unsinn zu trennen und die Rückkehr zum Ultima-Ratio-Grundsatz im StGB.
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May 29
Mostly mortgages. Tax system incentivices not to pay off morgages.
Replying to @MPelletierCIO
How did Switzerland get in such a mess?
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Armin retweeted
In the show FOR ALL MANKIND, they find life on Titan and say “this isn’t carbon-based life, like on earth! It’s methane-based life! We’ve found a whole second kind of life!” I have bad news for the writers of this show about what methane is made of.
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May 27
VSOP steht für die mittlere Alters- und Preisklasse, bei der der Cognac mindestens vier Jahre reift.
Replying to @TweetsOfSumit
Was ist VSOP?
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Armin retweeted
Der Staat, der hier 1988 Flüchtlinge mit dem Tod bedroht, nannte sich selbst "Demokratische Republik". Seine Grenzanlage im Hintergrund nannte er "Antifaschistischen Schutzwall".
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Armin retweeted
Es ist ein Problem, wenn ein Apparat wie der ÖRR seit fast 10 Jahren die Bevölkerung über die Rolle angeblicher Bots auf Twitter konsequent belügt.
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Armin retweeted
Replying to @BWEeV
Das ist in etwa so intelligent wie die Kosten von Bränden der Feuerwehr zuzurechnen. Wer solche absurden Argumente konstruiert, der zeigt überdeutlich, wie wenig die finanziellen Schäden durch seine hochsubventionierten Anlagen zu rechtfertigen sind.
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Armin retweeted
“1,000× more water from the atmosphere” sounds groundbreaking… until you check the math. The entire atmosphere holds ~13,000 km³ of water. The oceans hold ~1.3 billion km³. That’s ~100,000× more water sitting right there. So even if you made atmospheric water harvesting 1,000× better… you’re still pulling from a tiny reservoir. Meanwhile, we already solved this: Desalination. Pair it with nuclear power and you get scalable, reliable fresh water from the largest water source on Earth. This isn’t a breakthrough. It’s solving the wrong problem. We don’t have a water shortage. We have an energy problem.
Omar Yaghi, winner of the 2025 Nobel Prize in Chemistry, has developed a groundbreaking device that can extract up to 1,000 liters of clean water per day from the atmosphere — even in the driest deserts. Powered solely by ambient heat, the machine uses advanced “reticular chemistry” to create special materials that capture moisture from the air with remarkable efficiency. The timing couldn’t be more urgent. The United Nations has declared we are now living in a “global water bankruptcy era”: · 2.2 billion people lack access to safe drinking water · 3.5 billion lack proper sanitation · 4 billion experience severe water scarcity for at least one month every year What makes this invention even more powerful is Yaghi’s personal story. He grew up in a refugee camp in Jordan with no running water. Now, decades later, he has created a machine that literally makes water appear from nothing — turning his childhood hardship into a potential solution for millions.
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Armin retweeted
Herr Gandhi - zum Abschluss. Ich schlage eine öffentliche Diskussion über die Ergebnisse der ISE Studie zu den Gestehungskosten vor, einem Gebiet das übrigens nicht dem Forschungsfeld de Institutes entspricht, ich also hiermit öffentlich Zweifel an der Kompetenz hierzu äußere, Die postulierten Werte für Kernkraft weichen um eine Zehnerpotenz von Werten bei neuen Kernkraftwerken in Betrieb ab, so dass man sie aus meiner Sicht zurückrufen muss, um den Ruf des Institutes nicht zu zerstören. Diese Can of Worms haben Sie gerade eben unnötigerweise selbst geöffnet. Gerne erwarte ich Ihre Antwort.
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Armin retweeted
If you watch a lot of videos over ten minutes long, you quickly realize how many YouTubers take a long time to say very little.
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Apr 15
"Überholen ohne Einzuholen" wurde in Deutschland schon 1970 ausgerufen. Von Walter Ulbricht, Staatsraatsvorsitzendem. de.wikipedia.org/wiki/Ü…
Replying to @PhilippaSigl
2. Deutschland hat gerade 0 notable AI models (hai.stanford.edu/assets/file…), aber macht nichts, wir überholen sie einfach alle,… /2
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Armin retweeted
Replying to @maurerchr
Die "Gas-Kathi ist Teil eines Komplotts gegen Batterien, um möglichst viele Gaskraftwerke durch die Energiekonzerne bauen zu können" ist so etwas wie die EE-Version von "Bill Gates will dich durch Impfstoffe fernsteuern.". Man kann mit Batterien sicherlich die notwendige Leistung (etwas) und Betriebsdauer (ordentlich) von Gaskraftwerken reduzieren, aber doch mit aktuellem Stand von Technik und Kosten und Verfügbarkeit nicht ersetzen. Dieses Thema ist für mich ein gutes Kriterium, ob Leute informiert und aufrichtig argumentieren, oder nur Teil einer Kampagne sind.
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Armin retweeted
Deutsche Energiewende
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Armin retweeted
Vom Atomzeitalter zurück ins Pferdezeitalter.
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