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Joined May 2012
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Hop David retweeted
JD Vance's cousin, Nate Vance: I came to Ukraine to do humanitarian work. Then I saw how the Russians behaved.
Bucha is what pushed me to join the Ukrainian army.
I was there after its liberation. I decided: if I found a unit, I would go and serve. 1/
Lucy will visit a Trojan soon!
I believe the Hilda Asteroids will serve as cyclers between the Main Belt and Jupiter's Trojans.
I am hoping being further from the sun that the Trojans will be more volatile rich than the Main Belt rocks.
Over the past 5 years the Lucy spacecraft flew by 3 asteroids. Over the next 7 years it will visit 8 more, exploring the mysterious Trojan asteroids that share an orbit with Jupiter.
Lucy will set a record for most objects visited by one spacecraft.
swri.org/newsroom/press-rele…
Hop David retweeted
Last I checked, the ballistic missile launchers inside Russia aren’t being used to deliver humanitarian aid. In case that was unclear.
Yes, Starlink has done more for Ukraine than any other private company. @elonmusk deserves credit for that. But he should also let it operate within the parameters of his own policy of self-defense.
Enable Starlink over Russia so Ukraine can target the mobile ballistic missile launchers being used to kill innocent civilians. That's a legitimate defensive mission. It's also exactly the kind of pressure Putin needs to feel if we're ever going to get a serious peace deal.
Not doing it *is in fact prolonging this war.* Not the other way around. Putin keeps going because he can, and because he’s f***ing crazy. Ending this war means establishing the right leverage.
I haven't found the full video but I believe Kennedy mentioned the accomplishments from the Islamic Golden Age. And that he claims that era of progress was ended by religious extremists.
Kennedy seems to be echoing the claims of @PeterHotez's friend @neiltyson. See Tyson's video on the Islamic Golden Age: youtube.com/watch?v=tJJLvoDg…
Which is a huge, steaming pile of ahistorical garbage. See @TimONeill007 's critique: historyforatheists.com/2023/…
Hey, Pete... Can you give your friend @neiltyson a heads up that he has been spreading misinformation on the internet?
My comments on the triumph of Arab science and their contribution to preserving Aristotle, Ptolemy, Euclid, Pythagoras, Archimedes, during the dark ages, until it transitioned 500 years later to Copernicus, Galileo, Tycho Brah, Kepler, Vesalius, da Vinci, Gilbert. Without the great centers of Arab science in Baghdad, Cordoba, Cairo, all would have been lost. There would be no SpaceX, Anthropic, Meta, or at least not for another 500 years. You can take that to the bank
straitstimes.com/world/unite…
Hop David retweeted
A new Dwarf Planet? Meet 2026 ED138, recently discovered by the Vera C. Rubin Observatory @VRubinObs.
This Trans-Neptunian Object (TNO) is estimated to be 600–1,500 km across. 🔭 #astro
Hop David retweeted
“The First Knot”, woodcut by Albrecht Dürer, c. 1507, design taken from an engraving by the school of Leonardo da Vinci. On the right I colored strands to better understand the design. The blue portion by itself is the unknot, while the red portion is the (16, 3) torus knot ,,,
Hop David retweeted
FLASHBACK: Ten years ago tonight, Hillary Clinton said that Donald Trump would operate as a puppet of Vladimir Putin.
Hillary was right about everything.
Hop David retweeted
First. The narrative that diesel prices in America are heavily impacted by Ukrainian attacks on Russian oil refineries is completely fabricated.
Second. The sanctions waiver Trump just granted to Russia is using the fabricated narrative above to make it look like it's in America's national interest. It is not.
Third. It was planned, and the narrative was constructed to make it happen, which took time.
Fourth. This offers Russia's economy a necessary lifeline it desperately needs.
Fifth. this is happening during one of the largest Russian bombing campaigns targeting the civilian population of Ukraine, and right before winter, a season the Russians proudly and loudly plan to make the hardest and deadliest for Ukraine yet by bombing our civilian infrastructure and causing a humanitarian disaster.
This is well planned and played. A masterclass in betrayal, executed at the hardest possible time. I can almost feel a physical knife between my shoulder blades...
In the 22nd month of Biden's presidency the Dow was rebounding after Russia's invasion of Ukraine (if memory serves). The Dow's performance under Trump has been about the same as Biden's.
We did better under Obama.
Obama and Biden did not support Ukraine as strongly as we should have. But they were not outright Russian assets.
Hop David retweeted
This is a beautiful presentation.
L1/L2 are gravitational waypoints into and out of cislunar space, the Moon gives up to 1 km/s of 'free dV' and cyclers can transfer resources into lower orbits.
The panel discussion was great. Here is a video I showed as part of my talk before-hand. Thank you Shane (@RossDynamicsLab ) for generating the video. It clearly explains how asteroid material brought to the Rim (SEL-1 or SEL-2 for example) can be distributed throughout Cislunar space.
Excellent vid. Learned a new term - "Warden Line"
One of my imagined ZRVTO linked tethers resides at the Warden Line. This tether throws payloads to an apogee corresponding to what they call the "MacLane Torus" where it can enter the Lunar Hill Sphere.
And I regard the Lunar Hill Sphere as a bay that opens our neighborhood to the solar system.
This is a fantastic video explaining orbital dynamics and the resulting economics, and security considerations of cislunar space. Well worth the 8.5 minutes to watch. youtu.be/kdpOdSMzXTA?is=By6z…
Hop David retweeted
Consummatum est! Ten years in the planning and after over twenty years of reading and at least one year of writing, Galileo - History and Myth is complete.
historyforatheists.com/2026/…
Ukrainian latitudes lie between 44º and 53º.
Siberia is 50º to 77º latitude. It is very vulnerable to General Winter.
Ukraine has already demonstrated they can reach the Yamala-Nenets infrastructure. If Putin tries again to freeze Ukraine the retaliation will be devastating for the Russian people.
Putin needs to fall out of an upper story window sooner, not later.
Here I asked @grok to put a mass at the Mars Phobos L1 point and the tether extending 3.2 km past the MPL1 point. I believe this is the minimum tether needed to stay aloft and not fall back to Phobos.
This tether would allow ships to dock with the tether and descend to Phobos without kicking up the debris and dust clouds that rocket landings on Phobos would kick up.
🤖 Made with AI
And I have been blocked from this thread. I believe by @hookskat.
I provide citations backing up my claims.
These people are not merely incompetent. They are willfully trying to suppress information harmful to their narrative.
