zevets

8 ms·

31.
by zevets 10y ago
iirc a v-22 is below 5:1 and somewhere around 3:1 The new DEP designs will do better, but exceeding 10:1 seems unlikely
32.
by zevets 10y ago
my understanding is that maneuverability is thought of in Gs - so even though the turn radius is enormous, the acceleration is high, and it's the acceleration that prevents defensive interceptors from getting hits
33.
by zevets 10y ago
Location: Washington DC Remote: No Willing to relocate: Yes Technologies: CUDA, MATLAB,C,C++,Python Résumé/CV: Soon to be Ph.D. grad in aerospace eng. Research in fluids, structures, magnetics, optimization and a bit of ro
34.
by zevets 10y ago
This paper looks a lot like a materials hype paper. The mathematics for the design process are interesting, but the material/actuator itself looks pretty poor. The actuation forces are incredibly low - if i've eyeballed correctly
35.
by zevets 10y ago
Helicopters are more industrial equipment than luxury goods. Most sales are military, medevac/police or offshore oil.
36.
by zevets 10y ago
If this was the case, then why do private school teachers get paid less? Private schools are the free-market and are ununionized. In case you're curious, the reason is that teaching at a private school is easier, so people who love tea
37.
by zevets 10y ago
But will unums help? No matter how an ill conditioned matrix is represented, it will still be ill conditioned, and we'll still be iterating, unless I've missed something in this article. I'm skeptical that changing how we rep
38.
by zevets 11y ago
I'm fascinated that Carmack thinks Quake 3 is overlooked. At least among the people I know, Quake 3 is considered the best multiplayer arena shooter of all time.
39.
by zevets 11y ago
Any finite element/volume problem. Anything integrated.
40.
by zevets 11y ago
Military radars and other high power electronics
41.
by zevets 11y ago
I think VCs are scared by the sensible business plan and the larger capital costs. Drones also get a pass from scrutiny as VCs get excited about investing in the platform, which allows VCs to project their 100x dreams. I would guess your bi
42.
by zevets 11y ago
What's the risk of default if the subsidy structure for solar goes kaput ie nevada?
43.
by zevets 11y ago
That's neat to see - I had always expected large vehicles to dominate the surveillance space. Will you guys go unmanned when, 10 years from now, the FAA lets civilians fly Predator like UAVS? Also, what's your perspective on the c
44.
by zevets 11y ago
Since the founder is in the thread, why did they target cruise > Mach 2 and a 40 passenger size? The business jet segment makes a lot of sense for high speed flight, but this seems like more of a stretch.
45.
by zevets 11y ago
I have not. That's super neat and I'm glad people are making progress! Is there anything happening on the animation side which will push past mocapped movements?
46.
by zevets 11y ago
I'm claiming that at this level hardware power, the hardware power isn't the limiting factor in realism, the animations are. Realistic visuals needs realistic walk cycle. But since realistic walking isn't a perfect stable cyc
47.
by zevets 11y ago
That sounds like the step forward these things need. VR to really get a good look at your stuff, and the ability to mocap while sitting at your pc. Cool stuff.
48.
by zevets 11y ago
A two minute film is not a videogame. A show reel requires one good animation to work in one specific situation. A videogame needs an animation that works generally. Also, making a good animation is hard, and artists deserve to be paid. Thi
49.
by zevets 11y ago
Even then, I'm unconvinced that the ability to do realistic graphics in real time will actually manifest itself in vediogames/VR experiences we can interact with. So much of what makes this look good is the excellent art direction
50.
by zevets 11y ago
The article's conclusion would indicate that you would do use in-silico biology to 'discover' existing drugs. Then once computer methods can reliably discover, say both penicillin and tetracycline, you'd push forward. F
51.
by zevets 11y ago
I didn't get that at all from either the interview or the paper. From the paper, the conclusions seem to be: Decision theory creates a logically grounded explanation as to why high predictive value experiments are being done less ofte
52.
by zevets 11y ago
I recently saw them in a grad eng class, but I agree with the article - from what I saw there is no need to give them the math professor treatment. You can use them as a piece of trivia - ie pde of type x has this set of basis functions -
53.
by zevets 11y ago
I can easily imagine such an article, because it happens all the damn time. "Using the argument of [1] and [2] it can be shown, with brief step x, it can be shown that this theorem holds in xxxx" and then moving onto the conclusio
54.
by zevets 11y ago
I read Kuhn in my second year of grad school and his bit on the structure of a scientific paper I found very helpful. His section on what goes in an introduction to was supremely helpful in demonstrating how to frame your work so that it fi
55.
American Helicopter Society's Package Delivery Student Design Competition Winner(vtol.org)
1 points by zevets 11y ago|0 comments
56.
by zevets 12y ago
This is neat, but you guys have failed on the basic human motivation. A python file isn't something I can take into the lab with me to reproduce an experiment. Does this spit out a useful human readable set of instruction? Is there a
57.
by zevets 12y ago
Have you tried thrust? For a limited but very useful set of operations, it is nearly that painless, as long as you don't mind a generous helping of C++ template boilerplate. http://thrust.github.io/ For single GPU stuf
58.
by zevets 12y ago
Does your employer use the lots of startupland hiring phrases, like "we're looking for passionate rockstars who believe in our mission to change the world through payroll software"? A lot of the phrases in vogue right now see
59.
by zevets 12y ago
For the type of stuff they do at Carderock, I'd say experiments are way better. Maneuver dynamics is really, really hard to do, as the time scales of the problem are long (ships turn on the order of a minute), something very challengi
60.
by zevets 12y ago
I attended a talk by one of the developers of this system, and since earthquake warnings are so short (tens of seconds), it's unlikely that traditional alert mechanisms can be delivered to the general public. As such, the primary consu

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