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MorlockP's profile
ⓘ Dogs don't have thumbs
ⓘ Dogs don't have thumbs
ⓘ Dogs don't have thumbs
@MorlockP

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ⓘ Dogs don't have thumbs

@MorlockP

Two-time Prometheus award-winning hard science fiction author. https://www.amazon.com/dp/B005JPPMS6  Learn how to homestead https://www.amazon.com/dp/B093BC3K1T 

Aristillus Crater, Luna
amazon.com/dp/B005JPPMS6
Joined June 2012

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    ⓘ Dogs don't have thumbs‏ @MorlockP 15 Feb 2019

    ⓘ Dogs don't have thumbs Retweeted José Camões Silva

    Related: I did a calculation once and realized that ~10% of the energy release when we drop a bomb from USAF bomber height is the KE of the falling body, not the explosive. You don't have to go full Rods-From-God to notice the KE effect.https://twitter.com/josecamoessilva/status/1096542527878922245 …

    ⓘ Dogs don't have thumbs added,

    José Camões Silva @josecamoessilva
    When we get around to orbital speed, mass is more important than explosives. (At ~3 km/s the KE/kg equals the energy density of TNT, though to compare with nukes we're talking high-ish fractions of c.) HT @MorlockP https://twitter.com/DJSnM/status/1096471447504007169 …
    Show this thread
    2:57 PM - 15 Feb 2019
    • 4 Retweets
    • 15 Likes
    • Lawyer Dog Sardaukar Randall Parker #VaccinesForMoreViruses José Camões Silva mark doppelgänger 🛰 Mori Prometheus 2.1 camp002 Inquisitor Paz, Ordo Malleus
    7 replies 4 retweets 15 likes
      1. operation lockstep idprism  ❤  🇺🇸 ✠‏ @idprism 15 Feb 2019
        Replying to @MorlockP

        The hypersonic kinetic missiles are gonna be awesome, but only Russia will have them. :(

        0 replies 0 retweets 1 like
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      2. Jason Steiner‏ @ernunnos 15 Feb 2019
        Replying to @MorlockP

        The US has been using concrete bombs as tank busters for quite a few years now.

        2 replies 1 retweet 3 likes
      3. ⓘ Dogs don't have thumbs‏ @MorlockP 15 Feb 2019
        Replying to @ernunnos

        Damn!

        1 reply 0 retweets 0 likes
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      2. The Annoyed Man‏ @TheAnnoyedMan 15 Feb 2019
        Replying to @MorlockP

        I think that meteors and comets answered this question a LONG time ago. Nobody packed the meteor that hit Arizona with explosives. The hole is 570 ft deep and 4,100 ft across. The asteroid that hit was roughly 130 feet wide. https://www.space.com/834-mystery-arizona-meteor-crater-solved.html …

        2 replies 0 retweets 1 like
      3. The Annoyed Man‏ @TheAnnoyedMan 15 Feb 2019
        Replying to @TheAnnoyedMan @MorlockP

        And BTW, the largest piece found of it is made of solid chunk of nickel iron alloy or something like that, and it’s only about 3’x1’x1’. That’s all that’s left of it. It’s in the museum at the site.pic.twitter.com/XE1ctqRXco

        0 replies 0 retweets 0 likes
      4. End of conversation
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      2. mark doppelgänger  🛰‏ @DoppelMark 15 Feb 2019
        Replying to @MorlockP

        Doesn't sound right. Various sources say bomb terminal velocity about 350...450m/s (just over Mach 1). Assume 500kg@450m/s, get 50 MJ. Assume 400kg TNT, energy 400*4.2MJ -> 1680 MJ. 3%, still a lot, huh. But is the kinetic energy released during explosion? ¯\_(ツ)_/¯

        1 reply 0 retweets 0 likes
      3. mark doppelgänger  🛰‏ @DoppelMark 15 Feb 2019
        Replying to @DoppelMark @MorlockP

        Without explosion, the kinetic E would go towards tearing and deforming the casing & contents, and towards penetrating (deforming) the ground. Assuming (under-)ground burst, most of the energy would probably go towards both anyway. There's a reason bombs use delay fuse.

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. José Camões Silva‏ @josecamoessilva 15 Feb 2019
        Replying to @MorlockP

        Makes me wonder whether the bunker busters in the US arsenal could be improved by replacing the explosive with solid rocket engines and tungsten carbide (WC. Really, that's the formula.) No [real] terminal velocity issues with those… 🤓🤓💥

        0 replies 0 retweets 1 like
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      1. Lawyer Dog‏ @TheClarksTale 16 Feb 2019
        Replying to @MorlockP

        "did a calculation once" kind of understates "calculated within 0.1% the effect of dropping multiple railcar-volumes of gravelized granite from lunar orbit to Earth-sea-level, accounting for atmospheric drag" Or will you argue it's not really granite & that changes things?

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