kurja
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Posts posted by kurja
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On 7/24/2021 at 11:39 PM, mcwaffles2003 said:
When movies have a low frame rate they show streaking which helps us perceive intended fast motion like in car chases.
I'd like to point out that motion blur is an effect of long exposure time of each frame, not of the frame rate per se; you can have very crisp moving objects in a 24fps film.
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8 minutes ago, RCgothic said:
Tomorrow? July 19?
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4 hours ago, NFUN said:
nerds
You expected anything else?
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8 hours ago, tater said:
What about calling it New Donner?
New Roanoke
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https://www.sciencealert.com/oxygen-supply-has-failed-in-part-of-the-international-space-station
Another problem with ISS life support; nothing that would be an immediate threat to crew though.
"Nothing threatens the security of the crew and the ISS," said the spokesperson, adding this repair work to fix the issue would be carried out on Thursday.
The ISS is getting old
I wonder if it's just a matter of time that something serious comes up.
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https://www.space.com/amp/virgin-galactic-spaceshiptwo-test-launch-october-2020.html
Apparently they have another test flight coming shortly, and one more planned after that - and then they'll start flying customers
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TASS reports that there's a leak on ISS
https://tass.com/science/1192567
Only three crew onboard, everyone is safe.
Who drilled a hole in a wrong spot this time...
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Well dang there was a thread for this.. Mods, remove the one I started?
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2 hours ago, OHara said:
There is a group of bugs about the service modules. What you describe seems closest to this one (link)
Holy wowzies, it's been known for a year now
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After a failed landing due to parachutes not deploying I experimented a bit with the sm-6a service module part (the small conical one), and it seems that all 'chutes attached to them are always in "stowed" state and so they won't deploy - if the shroud was removed in VAB. Even if I put a cubical strut or a decoupler on it's top node and the chute on top of that, it just says that it's stowed. When the craft is launched with the shroud on, parachutes work normally.
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11 hours ago, tater said:
They say they're re-using a previously flown fairing, too - is this the first time they're doing that?
https://mobile.twitter.com/SpaceX/status/1238610287256723456
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4 minutes ago, tater said:
What's that landing pad on a boat? A barge ship for ants?
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18 hours ago, mikegarrison said:
But legally, they have no ground to stand on there. If their webserver serves up an image, then it's fair game to link to it.
Depending on your jurisdiction (obviously), hotlinking images hosted on other sites may be considered "publishing", or "use" of that content.
Posting a link to the page where the image is hosted is always ok.
Probably not anything to worry about as long as context is not in some way commercial.
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59 minutes ago, CatastrophicFailure said:
Some very informative replies upthread.
@kurja don’t just take their word for it (although you certainly could), you can validate all this yourself in KSP.
Oh I've discovered the concept in ksp before, it was just that the wording seemed oxymoronic - "there is no increase to delta v but the end speed is higher"
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Good answers, thanks guys.
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1 hour ago, sevenperforce said:
The solid boosters themselves don't contribute much in terms of absolute dV; their real advantage is to amp up TWR (not unlike F9B5 did with the final uprate on the Merlin engines) so gravity losses on the core stage are lower, giving the core greater speed at staging.
Delta vee being literally change of velocity, how does one have a system that does little for dv while increasing speed..?
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12 minutes ago, Codraroll said:
When it comes to updating,
thetypicalcomputerwindows is like a six-month old baby who needs to pee.Ftfy
On a more serious note, whatever software issue they found must have been very serious to cancel a launch - and do we know if it was with the actual sats, or somewhere else? Has anyone heard a word on what it might have been?
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Was there just one 2nd stage engine burn? Do they always get to low orbit/ISS with a single 2nd stage engine burn?
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Helium leak?
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3 hours ago, YNM said:
I think that part of a motorcycle's stability is from the rotational inertia that the wheels have, though I'm not sure how much has it been tested to be true.
Definitely. Related to this, look at an mx motorbike during a jump - riders adjust pitch of the bike mid-air with throttle and or brake. A bike can also be steered by, well, steering - turning the front wheel - while the front wheel is off the ground.
Here are a few related demonstrations with a bicycle wheel, skip to 35:50 and 23:00
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15 hours ago, cubinator said:
*What do we use instead of "months" for Mars? It's only really a relevant time unit on Earth.
Phoboths and Deimoths, obviously.
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19 hours ago, sevenperforce said:
Sustained 3 rpm acceleration
Come again?
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15 hours ago, PB666 said:
No, it interferes, potentially, with the electronics. . . . . .and I say no, its not going to interefere with gps, unless there a super freaky solor storm.
Huh, that's what I thought but it's claimed in the article you linked
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7 hours ago, PB666 said:
How does this affect gps, does the ionosphere cause a delay to the signal as it passes through?
I wonder if it's just a matter of time that something serious comes up.
Excessive stereo separation?
in KSP1 Technical Support (PC, unmodded installs)
Posted
Hi,
I've had this consistent audio issue with KSP, and other unity games (like TLD), across several installs and different hardware setups; when a sound source is to my left, sound plays 100% on the left speaker, and vice versa. This is of course very unpleasant. On linux, I have no opportunity to test on windows/mac to see if there's any difference. Is there a known remedy for this..?