mturmon

52 ms·

451.
by mturmon 5y ago
Here's more on why: https://www.thespacereview.com/article/1319/1 TLDR: It was not the EDL [edited to add: entry descent and landing] system, it was the fabrication and integration (putting together) of certa
452.
by mturmon 5y ago
It’s true that Northrop Grumman was the prime contractor. You don’t want to keep all the skills to build this, and all the manufacturing steps, in-house. But the project leadership and key pieces of the design were at GSFC and JPL. Full lis
453.
by mturmon 5y ago
Nah, the book in the OP has it right (chapter 10, first boxed definition). The "random key" is the little-omega of standard probability theory. Pick a little-omega, get a realization of the stochastic process. For example, if the
454.
by mturmon 5y ago
Yes, the word optimal should be understood very narrowly here. Part of the fun (and in game-nerdery terms, the “optimality”) is getting there before 6 guesses, which would require some adaptive strategy.
455.
by mturmon 5y ago
Thanks for the detail! I took a look at the first paper, the result was new to me. In the vogue days of reversible jump MCMC I played with mixture estimation of the number of components under a basic prior (an approach which gives decent re
456.
by mturmon 5y ago
My wife also has MCAS, POTS, and a connective tissue disorder that is not at the level of EDS. Was diagnosed about 4 years ago and is on treatments to suppress some immune responses, that has been helpful at taking the edge off some symptom
457.
by mturmon 5y ago
Good point. JW is at about 1.01 AU, and the solar radius is a bit over 100x the Earth radius, so there’s not really even a “shadow”.
458.
by mturmon 5y ago
This is accurate, and unfortunately the questioner is going through all the threads repeating naive objections to the legit answers offered by people familiar with aerospace. I know the guy who led the assembly of the JWST/MIRI cryocoo
459.
by mturmon 5y ago
JW does indeed circle that Lagrange point, but it is definitely not in Earth’s shadow. The JW orbit semi major axis (about the L2 point) is order of 500,000 km. The radius of Earth is about 6500 km. Thus, the shadow of the Earth is extremel
460.
Hazard analysis and critical control points(en.wikipedia.org)
1 points by mturmon 5y ago|0 comments
461.
by mturmon 5y ago
Yeah, on the time sharing Unix systems I would use in the 80s and 90s, everyone’s home directory (and most everything under it) was world readable by default. You could change the permissions, but most people didn’t. I feel like those old f
462.
by mturmon 5y ago
You say this work is “without references,” and mock the research and the expertise of the authors in several ways. Very little you say is specific and most of it is not even accurate. TFA is a gloss on a paper published at Science Advances
463.
by mturmon 5y ago
The other common idiom in scripts that uses the : is : > $LOGFILE which creates a zero-length log file, and removes the contents if it already existed.
464.
by mturmon 5y ago
Hmm, it's part of the (lamented) Machine Project in Echo Park, LA. They did a bunch of playful and intellectually-interesting science + art crossovers over the years. One that people here may remember is the hyperbolic-geometry knittin
465.
by mturmon 5y ago
This article is trash. They can learn nothing by the methods used. There were 40 subjects, not randomly selected, and they had no way to normalize for skill or motivation. The tasks are mimicry, not scholarly document preparation. The evalu
466.
by mturmon 5y ago
NYRB, where she wrote for decades, has put her essays in front of the paywall. https://www.nybooks.com/contributors/joan-didion/ (Their home page has a dozen specific recommendations.)
467.
by mturmon 5y ago
Yes, the spy satellites were first by a long shot. The KH-11 (2.4m mirror, CCD focal plane) was first launched in 1976. Hubble (2.4m mirror, CCD focal plane) was launched in 1990. The shared mirror size is not a coincidence: https:/&#
468.
by mturmon 5y ago
My wireless units sometimes lose network connectivity and have to be restarted, but the wired ones are troublefree.
469.
by mturmon 5y ago
My server runs an earlier version of MacOS, which could be the cause of the Spotify extension to my several Squeezeboxes not working. Are you using “Spotty” successfully?
470.
by mturmon 5y ago
This sounds like the difference between basic understanding of the idea, and mastery. Mastery would always take a lot of repetition and diverse problem-solving -- true even for algebra. Basic understanding is a lower bar, and I'd sugge
471.
by mturmon 5y ago
You can't quite do it the way you have shown, but take a look at: https://dragonbox.com/products/algebra-5 My kid tore through almost the whole set of problems in the app at about the recommended age (5yo).
472.
by mturmon 5y ago
But it turns out that if you believe math is everywhere, then creating videos or cartoons to illustrate math concepts is actually kind of reasonable. For instance, my kid drew a rather detailed human face in the desmos ( http://de
473.
by mturmon 5y ago
The about page does a pretty good job: https://www.methanesat.org/about/ Here's my even shorter version: Methane is a potent greenhouse gas. Methane emissions follow a heavy-tailed distribution: a few sources are
474.
by mturmon 5y ago
Perhaps start here: https://en.wikipedia.org/wiki/Unsafe_at_Any_Speed The market-based process of product optimization you have outlined has many holes -- in this case, market failures including cartel behavior and inc
475.
by mturmon 5y ago
In universities with teaching hospitals, it's common for doctors or medical directors within the hospital to be very well-compensated (>$1M/year, say).
476.
by mturmon 5y ago
Higham's writing is very readable and his book on numerical linear algebra is approachable and has information that's hard to find elsewhere. His point about probabilistic error bounds for roundoff errors is excellent! The usual b
477.
by mturmon 5y ago
Now, repeat the exercise with a 3-5/8 tile. Not as easy.
478.
by mturmon 5y ago
As long as the thread is talking about money grabs, the cover chosen is the original one.
479.
by mturmon 5y ago
Strong agree. Similarly, the OP’s jocular use of the word “canceled” when referring to Soviet assassinations during the Stalin years. No, Stalinist political execution is not comparable to losing your job because you have groped women at wo
480.
by mturmon 5y ago
My own institution, a government lab, uses the same naming system (IC1 through IC6) with management also done similarly to what is shown here (M3-M6 at least, not sure about M7). And ICs are slotted into certain disciplines just as here (e.

More ›