Comments

Author Comment Last activity Moderation
mathew "this is really cool. I made mine out of paper and tape " | Read more » about 10 years ago
mathew "I'm surprised at the IR passing of the Powershot. nice research. really should buy some of those NIR LEDs myself. " | Read more » about 10 years ago
mathew "Sekjal, It would be really cool to have a rangefinder, but they're pricey sensors, and might significantly up the cost of the board. Don- I fixed ..." | Read more » about 10 years ago
mathew "This is a really neat idea. thanks for working on this distance calibration. I have a stud finder that has felt on the bottom, and sounds similar..." | Read more » about 10 years ago
mathew "Tired of water quality sensors that leave your back aching? Try Riffle! With Riffle you just set it and forget it, no more painful backbends to sa..." | Read more » about 10 years ago
mathew "That "four electrode" system gave me an idea-- what about just using a 1/8" mini jack, one of the "three band" ones with a mic line too, as is now ..." | Read more » about 10 years ago
mathew "I'm favoriting this because I really like those hooks! " | Read more » about 10 years ago
mathew "Great progress! I would bet that the screws you used before were transferring ions to the water, and that the stainless corrodes more slowly. Loo..." | Read more » about 10 years ago
mathew "Nice flight! " | Read more » about 10 years ago
mathew "maybe we should include a punched out piece? it wouldnt' add to the cost. " | Read more » about 10 years ago
mathew "I think your predictions of a robot rebellion are far too conservative. Such robots would realize their material complicity and dependency (as syn..." | Read more » about 10 years ago
mathew "This isn't working for me either. I get a red or blue image, but not a NDVI-style color map. " | Read more » about 10 years ago
mathew "Glad you've thought more about this since walking by that e-cig store. the one I saw has a wick from the nicotine fluid into the heater-- and it n..." | Read more » about 10 years ago
mathew "Nathan McCorkle linked to a teardown of a commercial nanodrop: https://www.takeitapart.com/guide/66 an alternate to the droplet appears to be an a..." | Read more » about 10 years ago
mathew "this is super rad! I was bummed when I saw that the nanodrop was patented, so I looked at the patents. There are two earlier devices though: http:..." | Read more » about 10 years ago
mathew "Woah! beautiful rig and great photos! what a great flower pot, I love the use of the four drainage holes. Do you have any details on the flower p..." | Read more » about 10 years ago
mathew "Glad to see you tryiing! the balloon will hold up to 2400 liters (87 cu ft). 450 liters will lift almost 500g, but the balloon weighs 350g. with ..." | Read more » about 10 years ago
mathew "Thanks for finding this, Willie! really cool. " | Read more » about 10 years ago
mathew "Awesome! " | Read more » about 10 years ago
mathew "Pat, I think the pointcloud will have to be closed into maniform mesh, and then possibly constructed into a solid. Here is a tutorial on using mes..." | Read more » about 10 years ago
mathew "we now ship the smallest aluminum mini-carabiners with our balloon kit. They work great. We can't sell them for less than $1, but a dozen cost $5. " | Read more » about 10 years ago
mathew "well, there's no explanation on your website. By googling the name on the sensor name visible in a photo of yours, I can see that its an e-tape mi..." | Read more » about 10 years ago
mathew "Nice use of reused materials in the steering jig. I've done some limited off-wind flying with weighting the wing tips of my kites and attaching as..." | Read more » about 10 years ago
mathew "I think the scope is good-- better to shoot for something doable and get it done-- there is plenty to do even if the technical work is a breeze. if..." | Read more » about 10 years ago