Comments

Author Comment Last activity Moderation
nshapiro "@mathew yes. yes yes yes yes. " | Read more » almost 9 years ago
nshapiro "these are stunning @mathew! " | Read more » almost 9 years ago
nshapiro "@kkoerner Hi Karl! Great find! It would be fantastic if you could request a quote on these. We are planning on have a lending library of these tool..." | Read more » almost 9 years ago
nshapiro "@btbonval we are using an analog detection method to avoid the pitfalls of digital calibration. The tubes are sealed in the lab and read on the spo..." | Read more » about 9 years ago
nshapiro "Hey @liz! We have some of that information up @ http://publiclab.org/wiki/formaldehyde-exposure but you're totally right! We really need to make ou..." | Read more » about 9 years ago
nshapiro "This looks great! Maybe they could also mark the two solid black lines in addition to the color change so there is less ambiguity on the measurment..." | Read more » about 9 years ago
nshapiro "I was thinking about this more on my ride home last night. Although you might not be able to say what the particulates are with an inexpensive opti..." | Read more » about 9 years ago
nshapiro "I think you are not going to find a low cost means of speciating, of parsing kinds of particles in the air, other than their size. Speaking of ant..." | Read more » about 9 years ago
nshapiro "@mathew were the two tubes that you are comparing opened by different means? perhaps if we can just standardize the tip breaking better we wouldn't..." | Read more » about 9 years ago
nshapiro "This looks great! What does it weigh? I wonder if loosing the blue plastic shell on the pump would lighten the load in any more cost-efficient way. " | Read more » about 9 years ago
nshapiro "I think the sensor is at the back so we might want it to be popped out of the case so that we don't just pick up the heat from the pump. " | Read more » about 9 years ago
nshapiro "The round meter appears to be inaccurate. here are some test photos: " | Read more » about 9 years ago
nshapiro "This looks great! Thanks! The thermometers arrived today. Will bring them in and photograph them tomorrow. " | Read more » about 9 years ago
nshapiro "Maybe I was wrong! The glare seems to be worse on the back background. Which looks best to y'all? only the outer two mm or so is transparent so ma..." | Read more » about 9 years ago
nshapiro "Here are the test photos on an old tube. Its not a perfect test because the rest of the tube may not be the same substance as the rest of the tube ..." | Read more » about 9 years ago
nshapiro "Small edits to the card: we can delete the "within 2 degrees" helper text. we can reduce size (thus increasing detail of tube) of the card zip c..." | Read more » about 9 years ago
nshapiro "I think they are trying a new Indie go go https://www.indiegogo.com/projects/tzoa-wearable-enviro-tracker#/story They've raised 10 grand in the fir..." | Read more » about 9 years ago
nshapiro "have you come across this one before? http://www.mytzoa.com/#homepage do you know what sensors they use? It is maller and cheaper than I would ima..." | Read more » about 9 years ago
nshapiro "Here is a photo of the tip breaker that is on some of the analog pumps. We could also pre-score them in a standardized way to create consistent ope..." | Read more » about 9 years ago
nshapiro ".1-1 is correct. I have three right now. i can send you one. but you would need to get the valves. my supplier just ran out. " | Read more » about 9 years ago
nshapiro "i actually have three of those pumps on my desk. they have a counter up to 10 and a thermal ring (that doesn't appear to work) for temp and a tube ..." | Read more » about 9 years ago
nshapiro "I think this looks great! The air intake is in one end of the tube. so we could have one less inlet to cut in the top panel and we could have it s..." | Read more » about 9 years ago
nshapiro "+1 to the time relay delay it could be adhered to the belly of the pump. Digging the flow meter debate! " | Read more » about 9 years ago
nshapiro "@danbeavers just sent me a great email about cheap flow meters. he told me I could repost it, so am putting it here: "I have been thinking/researc..." | Read more » about 9 years ago