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warren commented on Gowanus Canal Salt Lot Kite Mapping : "Wow, that second image is golden... a perfect shot of the whole lot! " | Read more » over 5 years ago
commented on Mobile E coli detector created for cell phones by UCLA researchers : "i am curious for this project.. how does it work? any suggestion please " | Read more » over 5 years ago
commented on "The Scope Of The Alberta Oil Sands Must Be Seen To Be Believed" : "A huge hole in the landscape surly! Even larger when you consider our royalty on them is down to nothing when infrastructure is considered. We ha..." | Read more » over 5 years ago
warren commented on Endurance of visible/NIR camera and timer : "I ran my working circuit for over 45 minutes on a single fresh 9v battery, so that seems workable. But my other circuits continue to cause trouble...." | Read more » over 5 years ago
Adam-Griffith commented on Geologists take over Vienna : "I gave away at least 20 business cards, so the word is getting out in the academic communities, if slowly. " | Read more » over 5 years ago
warren commented on Geologists take over Vienna : "Nice, Adam! great to see our community's name up there in a formal science conference! " | Read more » over 5 years ago
natevw commented on Powered string winder for balloons : "Haha, love the car one! Thanks for the tip about the image — still learning how this site works, but it should be fixed now. " | Read more » over 5 years ago
warren commented on Powered string winder for balloons : "Very cool, nate! Thought you might like some earlier and probably less successful experiments: Especially do not do what's shown in this l..." | Read more » over 5 years ago
commented on Dual camera KAP rig : "Hi! I am pretty sure that the stereo-data-maker camera firmware hack allows synchronising two cameras to make photos with intervals. In fact, it is..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "Here are four CR123 rechargeable batteries and a charger for $26: http://www.amazon.com/RCR123A-Li-ION-Rechargeable-Batteries-Charger/dp/B002UEE7SU..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "Thanks Randy. You must be right about the relay. Here is the circuit for the MK111 timer: The assembly manual (pdf) has some more specs for the ..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "I found a couple of 9v batteries lying around and neither of them would power the relay, but they did make the LED light on cue. I connected both ..." | Read more » over 5 years ago
commented on No output signal on IR kit timer : "The relay might be a bit of a battery drainer. Some options: I think the 555 should be able to directly drive the canon USB trigger, so there may..." | Read more » over 5 years ago
warren commented on No output signal on IR kit timer : "Great! I should try the same thing. So the 23A battery was my best attempt to find a lightweight and cheap 12v source. But it seems it is not enou..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "Excellent gut feeling, Jeff. I powered the timer with 12 rechargeable 1.2v AA (=14.4v) and it worked fine. It makes a lot of noise and the test l..." | Read more » over 5 years ago
gonzoearth commented on NRDA process aerial image acquisition tech. specs. : "Thanks Scott. It is interesting to look at the document in general. Interesting about the blackout. The document talks about publishing to http://e..." | Read more » over 5 years ago
eustatic commented on NRDA process aerial image acquisition tech. specs. : "So one reason i forwarded this is that I hear that some NRDA technical people were using PLOTS balloons to do get aerials. Whether those aerials w..." | Read more » over 5 years ago
Shannon commented on NRDA process aerial image acquisition tech. specs. : "No I haven't, Scott E. forwarded it to me, he would probably have a better idea. " | Read more » over 5 years ago
liz commented on multiple tethers on balloon : "this looks great Jessie! Have you tried this yourself? " | Read more » over 5 years ago
gonzoearth commented on NRDA process aerial image acquisition tech. specs. : "So it says this was organized in the fall of 2010 and it is in its last stage right now. The deliverables look pretty good. Have you heard what peo..." | Read more » over 5 years ago
jbreen commented on multiple tethers on balloon : "Having two lines also means you could easily use a picavet like Paul Illsley suggests here. " | Read more » over 5 years ago
warren commented on No output signal on IR kit timer : "I see, OK. Well i think that finding a more powerful 12v source (more current) is not a bad next step for both of us. I think it may be more likely..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "The timer I have seems to be different from all three of yours. The relay NEVER makes a loud click (although it does make a barely audible click)...." | Read more » over 5 years ago
warren commented on No output signal on IR kit timer : "Ok, i was going to post a separate note, but since you say the "clicking" is almost inaudible, i think we are having the same issue - the relay is ..." | Read more » over 5 years ago
cfastie commented on No output signal on IR kit timer : "Here are two pieces of evidence that are consistent with the failed relay hypothesis. 1) When I first got the timer working (with nothing connected..." | Read more » over 5 years ago
warren commented on No output signal on IR kit timer : "Chris - if you're able to manually trigger your camera with the above voltages, you know I think you may be right and it's a faulty relay... can yo..." | Read more » over 5 years ago
warren commented on Using cameras for NIR that have no buit-in NIR hotfilter : "Hmm, very interesting! I wonder if we can find one that's around the $50 price range and still has good resolution (i.e. >3 megapixel). The HD Hero..." | Read more » over 5 years ago
Shannon commented on Spectrometer alignment ideas : "This was the golf scope I was talking about- not $2, but $9, still cheap: http://www.amazon.com/Radioshack-Digital-Golf-Scope/dp/B0012KBWYA " | Read more » over 5 years ago
warren commented on SLO pre flight : "Hey JL - Just posted some ideas and tests for a casing for the dual cam rig: http://publiclaboratory.org/wiki/juice-jug-rig " | Read more » over 5 years ago
warren commented on Microsoft Research Image Composite Editor : "the transparent PNG background feature was broken when we added edge-blending. I hope we can figure out an easy way to resuscitate that feature tho..." | Read more » over 5 years ago