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vgr's profile
Venkatesh Rao
Venkatesh Rao
Venkatesh Rao
@vgr

Tweets

Venkatesh Rao

@vgr

This is my conversational account. For my work follow @ribbonfarm, @breaking_smart, @artofgig. Tweets are 90% vacuous views, apathetically held. Mediocritopian.

Los Angeles, CA
venkateshrao.com
Joined August 2007

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    Venkatesh Rao‏ @vgr Mar 2
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    Next up in my twitter live reads: The Starship and the Canoe by Kenneth Brower, on physicist Freeman Dyson and his historian son George Dyson (ht @andersen for reco) https://amzn.to/2TfcNBv 

    9:36 PM - 2 Mar 2020
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    • Sonal Chokshi Michæl Lucy Zhan Li 🇪🇺🇬🇧 Jo R.P. Simon DeDeo Mike Snyderman Brian Skinner Emperor Joshua Norton II
    6 replies 8 retweets 70 likes
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      2. Venkatesh Rao‏ @vgr Mar 2
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        I’m coming in to this fairly cold. I’ve read Turing’s Cathedral by George Dyson and met him briefly once at a conference. Freeman I only know of vaguely via the Dyson sphere and nuclear rocket concepts. Let’s see what we can learn of this pair. I assume Esther will cameo too.

        2 replies 1 retweet 7 likes
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      3. Venkatesh Rao‏ @vgr Mar 2
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        Am reading a 1978 library book with a punch card in it. Wonder when this was last checked out?pic.twitter.com/x9ow5M3FBu

        1 reply 2 retweets 8 likes
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      4. Venkatesh Rao‏ @vgr Mar 2
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        Just stubbing this tonight. One chapter in. Will start reading properly later this week.

        1 reply 0 retweets 4 likes
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      5. Venkatesh Rao‏ @vgr Mar 3
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        We open with 2 chapters on trees. Physicist Dyson Sr, is speculating about growing huge trees on comets to make them habitable, Hippie Dyson Jr. is literally living up a tree in British Columbia. This is off to a promising start. I think Dyson trees were featured in Hyperion?

        3 replies 2 retweets 16 likes
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      6. Venkatesh Rao‏ @vgr Mar 3
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        Okay Jr. is basically a more rugged and honest Thoreau, up a tree instead of waldenponding. He’s got an intriguing thing going. He’s competing with squirrels for insulation. He traps and releases them. We’re in the early 70s.

        1 reply 1 retweet 6 likes
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      7. Venkatesh Rao‏ @vgr Mar 3
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        Couple of workmanlike chapters sketching out Sr’s life as a prodigy. Educated during WW2 under Hardy at Cambridge, wartime work on bombing logistics leaving him with a sense of being a mass murderer, then off to Cornell to study QED with Bethe and Feynman. Genius stuff done early

        1 reply 0 retweets 7 likes
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      8. Venkatesh Rao‏ @vgr Mar 3
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        Again that sense, as in the Astounding review, that in the 40s there were only about a dozen people doing anything significant. Everybody else was interchangeable parts. Amazing how often the same people show up in all the stories.

        1 reply 3 retweets 16 likes
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      9. Venkatesh Rao‏ @vgr Mar 4
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        Aside: I prefer Kindle. I like to read a bit every night in bed with light off and can’t do that comfortably with paper books. 🙁

        1 reply 0 retweets 13 likes
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      10. Venkatesh Rao‏ @vgr Mar 21
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        After a few chapters focused on George’s life in PNW and some fine evocative prose on the Inside Passage natives, we’re back in Chapter 15 with Sr. and the Orion project. Nuclear-powered rockets.

        1 reply 0 retweets 3 likes
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      11. Venkatesh Rao‏ @vgr Mar 21
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        “It is in the long run essential to the growth of any new and high civilization that small groups of men can escape from their neighbors and from their govts, to go live as they please in the wilderness....”

        1 reply 2 retweets 9 likes
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      12. Venkatesh Rao‏ @vgr Mar 21
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        “... A truly isolated, small, and creative society will never again be possible on this planet” — from Sr’s manifesto in 1958. Very Buckyfullerish. Brower is really laying it on thick re: yinyang between Freeman’s space poiesis and George’s pnw praxis.

        1 reply 1 retweet 8 likes
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      13. Venkatesh Rao‏ @vgr Mar 21
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        The Orion rocket idea finesses temperature limitations of metals by having the nuclear explosions kick it up very quickly. 80,000 kelvin for a millisecond. Chemical rockets are continuous 4000k thermal stress. This is not a subtle device 😆

        1 reply 1 retweet 9 likes
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      14. Venkatesh Rao‏ @vgr Mar 21
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        A heavy lens-shaped aluminum pusher plate greased between 2Hz explosions to drive a vehicle via a pneumatic shock absorber. “lurch’s but not unpleasant. Greased like a channel swimmer, Orion would frog-kick through the void.” I sense a contrast to George’s canoes coming soon.

        1 reply 1 retweet 7 likes
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      15. Venkatesh Rao‏ @vgr Mar 21
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        “Orion in its enormous power could haul such excesses of freight that no cleverness was necessary in planning staterooms and storage” There’s the buckyfullerish expansive abundance thinking. Strategery is for the delta-vee poors. We kinda got there with wasting transistors.

        2 replies 1 retweet 12 likes
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      16. Venkatesh Rao‏ @vgr Mar 21
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        Strikes me that effective futures thinking is the opposite of nuanced. Inventing the future = generate a giant surplus to swamp out uncertainty. The details don’t need elaboration, just a bounding box of abundance to emerge in. Orion=nuclear cornucopia out of gravity wells.

        1 reply 3 retweets 22 likes
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      17. Venkatesh Rao‏ @vgr Mar 21
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        The account of PNW native art a few chapters ago had shades of that same theme, except in a natural setting. Giant surplus of seafood driving native art. Neal Stephenson riffs on the same thing early in Cryptonomicon. Wonder if he got it from this book.

        1 reply 1 retweet 10 likes
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      18. Venkatesh Rao‏ @vgr Mar 22
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        “For bigger ships, using existing stockpiles of weapons would have worked. Just put enough propellant around, and it didn’t matter that the charge was not shaped. That was characteristic of everything we did. It was always easier if you made the thing big enough.”

        1 reply 1 retweet 8 likes
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      19. Venkatesh Rao‏ @vgr Mar 22
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        Damn an actual formula in this book. No wonder it’s not well known. Every formula halves sales according to Hawking heuristic.pic.twitter.com/bFTWF7jxio

        2 replies 2 retweets 7 likes
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      20. Venkatesh Rao‏ @vgr Mar 22
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        The description of Freeman as a theoretical physicist with an eye for beauty but also a very good engineer with an intuition for the essential part of a messy practical problem suggests a very rare mind. Musk for example doesn’t have the physicist side afaict.

        1 reply 0 retweets 11 likes
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      21. Venkatesh Rao‏ @vgr Mar 22
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        There’s YouTube videos of the Project Orion tests. Fascinatingly weird. Frog kicking is right. A jellyfish doing frog kicks.https://m.youtube.com/watch?v=Q8Sv5y6iHUM …

        1 reply 2 retweets 8 likes
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      22. Venkatesh Rao‏ @vgr Mar 22
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        Now at George’s main act. Now we learn of the Baidarka, the Aleutian wood/whalebone-and-skin kayak he reinvented with aluminum and fiberglass and wrote a book about which I might now have to readhttps://www.amazon.com/Baidarka-Kayak-George-Dyson/dp/088240315X …

        2 replies 0 retweets 10 likes
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      23. Venkatesh Rao‏ @vgr Mar 22
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        While we’re talking lost maritime crafts, here’s another book I’ve had sitting on my shelf for a while and might read, on the wave navigation methods of the south seashttp://amzn.to/1oNVaqe 

        2 replies 0 retweets 16 likes
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      24. Venkatesh Rao‏ @vgr Mar 22
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        Now we meet George’s shady ex drug-dealer friend. George is some mix of Walt Whitman, John Muir, and a cyberpunk high-tech/low-life guy at this point in the story, not the tech historian he became later.

        1 reply 1 retweet 4 likes
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      25. Venkatesh Rao‏ @vgr Mar 24
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        Surprise twist: book is now dissing profligate artistic excesses of the inner passage natives and praising the Aleuts, who were less artistic, but more accomplished seafarers.

        1 reply 0 retweets 3 likes
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      26. Venkatesh Rao‏ @vgr Mar 24
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        “The artistic dugout builders of the Inside passage hated to leave sight of land, and ventured over the horizon only when a harpooned whale towed them there, or when a storm blew them. The Aleut kayakers paddled over the horizon often, and on purpose” #TeamAleut #booFancyDugouts

        1 reply 0 retweets 4 likes
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      27. Venkatesh Rao‏ @vgr Mar 24
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        Heh this is basically chemical rockets vs Orion. Though I don’t immediately see the rude abundance aspect of the Aleutian canoe. The radical lightness perhaps?

        1 reply 0 retweets 2 likes
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      28. Venkatesh Rao‏ @vgr Mar 24
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        The Aleuts apparently routinely visited Kamchatka in Asia. Our planet is weird.pic.twitter.com/o0futNBFwd

        1 reply 0 retweets 6 likes
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      29. Venkatesh Rao‏ @vgr Mar 24
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        If my life depended on finding and killing seals in arctic conditions in one of these I would basically give up and die. “When he had knotted his last drawstring, the hunter was truly embarked. Man and kayak became a watertight unit, a sea centaur.” No thank you.pic.twitter.com/FXTolSeKuE

        1 reply 0 retweets 10 likes
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      30. Venkatesh Rao‏ @vgr Mar 24
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        “It’s hard to devise a definition for sea mammal that does not make the Aleut a specimen”

        1 reply 0 retweets 8 likes
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      31. Venkatesh Rao‏ @vgr Mar 24
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        “The forerunner of [non-Aleutian kayaks sold in stores] is not the sea lion but the beer can.”

        1 reply 1 retweet 4 likes
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