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User: crighton

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Comments · 9

  1. Re:Cricket-inspired robots - Noooooo! on Biomimetic Robots: A Photo Gallery · · Score: 1

    You know... I'm glad I'm not the only one who immediately thought of the same reference. You must be one really hoopy frood.

    Have a pleasant diurnal anomaly

  2. This is a GREAT strategy! on Large-Scale Paper-To-Digital Conversion? · · Score: 1

    Yes, yes, yes

    Even if it's not LaTeX (the tool doesn't REALLY matter), this is the way to go. It get's the student's engaged with the material, they organize and format it in a way that works for them, and the job gets done. It's a strategy that benefits a lot of people.

  3. Other products on Indiana First With Computerized Grading · · Score: 1

    I've been looking into this for a while now.. We're looking into something similar for low-stakes feedback to students during the writing process. Final evaluation will be done by humans, though...

    I saw a presentation about 10 years ago at UC Boulder about one of the underlying technologies behind these kinds of systems. The resulting spin-off Knowledge Analysis Technologies has developed a product that uses a statistical technique called latent semantic analysis. From what I understand, it builds a model based on words appearing in proximity to each other over a large set of exemplars. For thos interested in the underlying ideas, there a site here with lots of research and background.

  4. If it's not software - what the heck is it? on Indiana First With Computerized Grading · · Score: 1
    From the e-rater website "It is important to remember that e-rater is an embedded real-time application; it is not software."

    So they're creating chips just for this? When the marketroids can't get the tech right, it makes me really nervous.

  5. Re:The difference on Perfect Digital Skin · · Score: 1, Informative

    Looking at that image, there are a couple of cues that scream artificial to me...

    1) The reflection off the lips is too bright
    2) There's something wrong with the shadow of the nose
    3) The tip of the nose is too reflective.. in fact all of the areas that are in direct light are too reflective
    4) The proportions of the face are off slightly (or they are too perfect and symmetrical to be real)
    5) It may be the render resolution, but the imperfections of the cheek are too lumpy

    But it is a heck of a lot better than a couple of years ago.

  6. Other tech on Running for Geeks · · Score: 1

    There's a whole world of running tech out there, it's not just electronic. Designed fabrics, fuel, and other gear can make you a better runner (or other endurance athelete)

    Some additional running tech that I've found useful

    1. Thorlo socks - The ultimate sock, great cushioning, wicking, everything to keep your feet happy.

    2. Drylete fabrics - Make sure you get wicking fabrics to keep you dry and warm. Cotton acts like a sweat sponge and gets heavy and clammy

    3. Polar heartrate monitors - They'll keep you from training too hard, and let you know when you're overtraining (You're resting heartrate will elevate when you're overtraining)

    4. Cytomax fuel - You need to keep hydrated and going strong. It's got a modified carb that burns clean with lower lactic acid build up. I didn't believe it at first, but it really does work!

  7. Some non-tech advice on Running for Geeks · · Score: 1

    Running is one of the easier and cheaper endurance sports to get into. I've gone from road races to multi-sport events just to keep it interesting though. Adventure racing is my new found passion and oh.... the potential for geek gear!

    But some words of advice on running (from someone who's been running for 15 years).
    1. START SLOW! The worst thing I've seen people do is start with too many miles or too fast a pace. Add no more than 10% every 2 weeks.

    2. STRETCHHHHHHH! This is a continual problem for me. Every runner has tight hamstrings, calves. Watch out for that it-band too.

    3. Get good shoes, replace them frequently- those $100 running shoes are only good for 150 miles max.

    4. Rest - absolutely no running at least 1 day a week. Cross train another day too.

    5. Don't overtrain - if you notice changes in your resting heartrate (when you first wake up or after lying down for 20 min), loss of sex drive, loss of appetite, trouble sleeping, or constant fatigue - take a few days off. You're not giving your body enough time to recover

  8. Anti-aliased fonts on Mozilla 1.1 Hits The Street · · Score: 1

    Mozilla 1.0 was my default browser. I wanted to upgrade to 1.1 to play with MathML on OSX, along with experiencing the other tasty upgrades.

    But I've found that their new anti-alias every font idea is giving me an eye-strain headache! Anyone know how to turn that off? Is there a different font set I can use? I've turned off system font smoothing for anything 12 pt and smaller.

  9. They've been thinking about this for years on Robot Wars · · Score: 2, Interesting
    12 years ago, a close relative of mine was working on the autonomous air vehicle and the autonomous land vehicle at Martin Marietta (before it was Lockheed Martin). The UAV was supposed to be able to recognize and avoid threats, while shooting smart bullets at targets it prioritized. I have a feeling this eventually formed the basics of the Predator drone.

    The ALV was basically an unmanned tank. It was a much bigger problem (visual recognition of terrain and route plotting). I do remember they had a couple of prototypes. The tech ended up being of more interest to smart car people.