• US building thermonuclear spaceships for real?

    From Jan Panteltje@21:1/5 to All on Mon Jul 22 13:11:49 2024
    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware.
    https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

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  • From john larkin @21:1/5 to All on Mon Jul 22 07:54:24 2024
    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware.
    https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    Pity that they want to waste it on "Space" and not "Aeronautics."

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  • From Jan Panteltje@21:1/5 to All on Tue Jul 23 05:12:48 2024
    On a sunny day (Mon, 22 Jul 2024 07:54:24 -0700) it happened john larkin <jlarkin_highland_tech> wrote in <hkss9j9bcm63k7d9lte7bfn2jih1e3pkm4@4ax.com>:

    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware.
    https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Yes, OTOH some projects have been cancelled, like that moon rover thing:
    https://www.space.com/nasa-cancels-viper-moon-rover-budget

    Nuclear is an obvious choice for space propulsion to get to other planets.
    The cold war induced nuclear fear has prohibited that for many years now.

    With a good chance of WW3 with Chameleon Harassment or whatever the next demonratic leader is called
    a bit of extra radiation makes little difference and a bit of plutonium in your garden may come in handy to build your own
    bomb or power plant.

    Do you mean 'Aeronautics' like rockets taking people from say US to Europe in an hour?

    Mars could be a safer place than earth...
    But China may well be first there, nucear or not.
    :-)

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  • From john larkin @21:1/5 to All on Tue Jul 23 07:11:40 2024
    On Tue, 23 Jul 2024 05:12:48 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Mon, 22 Jul 2024 07:54:24 -0700) it happened john larkin ><jlarkin_highland_tech> wrote in <hkss9j9bcm63k7d9lte7bfn2jih1e3pkm4@4ax.com>:

    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid> >>wrote:

    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware. >>> https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Yes, OTOH some projects have been cancelled, like that moon rover thing:
    https://www.space.com/nasa-cancels-viper-moon-rover-budget

    Nuclear is an obvious choice for space propulsion to get to other planets. >The cold war induced nuclear fear has prohibited that for many years now.


    It helps that travelers will already get a lethal dose of radiation
    from cosmic rays, so we don't have to waste spacecraft mass by
    shielding the reactors.

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  • From Bill Sloman@21:1/5 to john larkin on Wed Jul 24 00:36:54 2024
    On 24/07/2024 12:11 am, john larkin wrote:
    On Tue, 23 Jul 2024 05:12:48 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Mon, 22 Jul 2024 07:54:24 -0700) it happened john larkin
    <jlarkin_highland_tech> wrote in <hkss9j9bcm63k7d9lte7bfn2jih1e3pkm4@4ax.com>:

    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    <snip>

    It helps that travelers will already get a lethal dose of radiation
    from cosmic rays, so we don't have to waste spacecraft mass by
    shielding the reactors.

    If space travelers were going to get a lethal dose of radiation from
    cosmic rays, all the people who have spent months in the ISS would be
    dead - they are just as exposed to cosmic rays as people who would
    travel further.

    John Larkin really didn't pay any attention to his science lectures when
    he was at Tulane.

    --
    Bill Sloman, Sydney


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  • From john larkin @21:1/5 to '''newspam'''@nonad.co.uk on Tue Jul 23 13:32:13 2024
    On Tue, 23 Jul 2024 21:24:00 +0100, Martin Brown
    <'''newspam'''@nonad.co.uk> wrote:

    On 22/07/2024 15:54, john larkin wrote:
    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware. >>> https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    I don't think it is money that they are addicted to if they intend to >actually make one of those things. Synthetic opioids seems more likely.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Unmanned space science probes are worthwhile. Orbiting tin cans are not.

    But we can't allow the Chinese to Dominate Space.

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  • From Martin Brown@21:1/5 to john larkin on Tue Jul 23 21:24:00 2024
    On 22/07/2024 15:54, john larkin wrote:
    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real
    The military and NASA seem serious about building demonstration hardware.
    https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    I don't think it is money that they are addicted to if they intend to
    actually make one of those things. Synthetic opioids seems more likely.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Unmanned space science probes are worthwhile. Orbiting tin cans are not.

    --
    Martin Brown

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  • From Phil Hobbs@21:1/5 to All on Tue Jul 23 20:48:45 2024
    john larkin <jlarkin_highland_tech> wrote:
    On Tue, 23 Jul 2024 21:24:00 +0100, Martin Brown
    <'''newspam'''@nonad.co.uk> wrote:

    On 22/07/2024 15:54, john larkin wrote:
    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real >>>> The military and NASA seem serious about building demonstration hardware. >>>> https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    I don't think it is money that they are addicted to if they intend to
    actually make one of those things. Synthetic opioids seems more likely.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Unmanned space science probes are worthwhile. Orbiting tin cans are not.

    But we can't allow the Chinese to Dominate Space.



    They’re all cultural activities, like opera and baseball, so it’s all good clean fun as long as nobody gets hurt.

    Cheers

    Phil Hobbs

    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics

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  • From Jan Panteltje@21:1/5 to All on Wed Jul 24 05:46:41 2024
    On a sunny day (Tue, 23 Jul 2024 07:11:40 -0700) it happened john larkin <jlarkin_highland_tech> wrote in <ucev9jhbk2jaf1ovhc5fa3cdui4osf0olp@4ax.com>:

    On Tue, 23 Jul 2024 05:12:48 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Mon, 22 Jul 2024 07:54:24 -0700) it happened john larkin >><jlarkin_highland_tech> wrote in <hkss9j9bcm63k7d9lte7bfn2jih1e3pkm4@4ax.com>:

    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid> >>>wrote:

    We’re building thermonuclear spaceships again—this time for real >>>>The military and NASA seem serious about building demonstration hardware. >>>> https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Yes, OTOH some projects have been cancelled, like that moon rover thing:
    https://www.space.com/nasa-cancels-viper-moon-rover-budget

    Nuclear is an obvious choice for space propulsion to get to other planets. >>The cold war induced nuclear fear has prohibited that for many years now.


    It helps that travelers will already get a lethal dose of radiation
    from cosmic rays, so we don't have to waste spacecraft mass by
    shielding the reactors.

    I am a bit sceptical about all that radiation fear.
    Wildlife is flourishing in the Tjernobyl area, mostly
    because there are now no humans there to kill it.
    Very few if any malformed creatures are found.
    I once got a job via an agency in a place (accelerator) here that did a lot with radioactive stuff,
    I quit the first day after I noticed how careless they were.
    Years later via agency got an other job there in a different department not so much involved with radiation..
    Anyways ... left after the max allowed time (was 6 month here via agency), started my own company a bit later
    Then the newspapers .. big radiation contamination in that place...

    World goes on, we had Tjernobyl fallout here too:
    warnings like 'do not eat stuff from your garden'.
    That later made me build some radiation detectors..
    Levels are still normal (logging 24/7) here.
    https://panteltje.nl/panteltje/pic/sc_pic/PMT_with_radium_in_bag_img_2482.jpg This is nice, logs wherever you go and write s GPS coordinates to SDcard so you cab see where the hot place was if you start to shine ...:-)
    Or do some prospecting for Uranium...
    https://panteltje.nl/panteltje/pic/gm_pic2/

    lost my rad fear...

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  • From Bill Sloman@21:1/5 to Jan Panteltje on Wed Jul 24 16:29:40 2024
    On 24/07/2024 3:46 pm, Jan Panteltje wrote:
    On a sunny day (Tue, 23 Jul 2024 07:11:40 -0700) it happened john larkin <jlarkin_highland_tech> wrote in <ucev9jhbk2jaf1ovhc5fa3cdui4osf0olp@4ax.com>:

    On Tue, 23 Jul 2024 05:12:48 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Mon, 22 Jul 2024 07:54:24 -0700) it happened john larkin >>> <jlarkin_highland_tech> wrote in <hkss9j9bcm63k7d9lte7bfn2jih1e3pkm4@4ax.com>:

    On Mon, 22 Jul 2024 13:11:49 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    We’re building thermonuclear spaceships again—this time for real >>>>> The military and NASA seem serious about building demonstration hardware. >>>>> https://arstechnica.com/science/2024/07/were-building-thermonuclear-spaceships-again-this-time-for-real/

    Mars in 45 days...

    NASA is addicted to money, and they need something to spend it on,
    after they burn up the ISS.

    Pity that they want to waste it on "Space" and not "Aeronautics."

    Yes, OTOH some projects have been cancelled, like that moon rover thing: >>> https://www.space.com/nasa-cancels-viper-moon-rover-budget

    Nuclear is an obvious choice for space propulsion to get to other planets. >>> The cold war induced nuclear fear has prohibited that for many years now. >>

    It helps that travelers will already get a lethal dose of radiation
    from cosmic rays, so we don't have to waste spacecraft mass by
    shielding the reactors.

    I am a bit sceptical about all that radiation fear.
    Wildlife is flourishing in the Tjernobyl area, mostly
    because there are now no humans there to kill it.
    Very few if any malformed creatures are found.

    They tend to die young.

    I once got a job via an agency in a place (accelerator) here that did a lot with radioactive stuff,
    I quit the first day after I noticed how careless they were.
    Years later via agency got an other job there in a different department not so much involved with radiation..
    Anyways ... left after the max allowed time (was 6 month here via agency), started my own company a bit later
    Then the newspapers .. big radiation contamination in that place...

    World goes on, we had Tjernobyl fallout here too:
    warnings like 'do not eat stuff from your garden'.
    That later made me build some radiation detectors..
    Levels are still normal (logging 24/7) here.
    https://panteltje.nl/panteltje/pic/sc_pic/PMT_with_radium_in_bag_img_2482.jpg
    This is nice, logs wherever you go and write s GPS coordinates to SDcard so you cab see where the hot place was if you start to shine ...:-)
    Or do some prospecting for Uranium...
    https://panteltje.nl/panteltje/pic/gm_pic2/

    lost my rad fear...

    John Larkin claims not to feel fear either - it's a cognitive defect,
    rather than any kind of virtue. In your case you just do stupid things
    that haven't killed you yet. John Larkin seems to think that people who
    do feel fear are terrified all the time, which is just as silly.

    --
    Bill Sloman, Sydney


    --
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