| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "In this area, lichens aren't common. Attached is a rough draft using lawn clippings to set up and test using various instruments. Don't know how ..." | Read more » | almost 2 years ago | |||
| bhamster | "Hi @jdetka, this question by @patalbright and the comments section might have some tips to try: How to find the sweet spot for manual white balance..." | Read more » | almost 2 years ago | |||
| tylerknight | "Great ideas! I'll add a percentage column to the table to better highlight how much of the month was over 12 μg/m3. Highlighting community reports..." | Read more » | almost 2 years ago | |||
| fongvania | "Thank you for sharing updates on this project! Is the team planning to highlight specific times when you received community reports of odors or plu..." | Read more » | almost 2 years ago | |||
| jdetka | "Hello, Did you make any additional progress with this? I'm trying to do the same thing and maybe we can collaborate on a solution. " | Read more » | almost 2 years ago | |||
| alejobonifacio | "I did this! Hi! Long time has passed since this original post. I was doing some in field measurements with this Cave Pearl Project based data logge..." | Read more » | almost 2 years ago | |||
| bhamster | ":wave: Welcome @jdetka, and thanks for sharing! It's great to have you here. " | Read more » | almost 2 years ago | |||
| alejobonifacio | "Reading a little more I found that you could change the frequency of the PWM in arduino. I did not try to do this. " | Read more » | almost 2 years ago | |||
| alejobonifacio | "Hi! good question! The frequency of PWM of arduino is about 500hz. Is that enough for conductivity measurement? " | Read more » | almost 2 years ago | |||
| jamesBstaionyor | "I don’t understand why the responsibility for this falls only on the citizens, when it’s real to answer the authorities and all the organizations t..." | Read more » | almost 2 years ago | |||
| Ag8n | "If using an instrument like a hunter colorimeter, be careful. There is the Hunter L,a,b scale. Then there is the cie L,a,b* scale. Most instrumen..." | Read more » | almost 2 years ago | |||
| Ag8n | "Little change here. Most water or liquid measurements are on transmitted or absorbed light. " | Read more » | almost 2 years ago | |||
| Ag8n | "Its very easy to get these two instruments confused. If you are measuring color in industry(as in paint color, siding color, etc), its often with ..." | Read more » | almost 2 years ago | |||
| michelleiL | "@JuliaGuerrein @caitlion " | Read more » | almost 2 years ago | |||
| cebokad215 | "Thanks for sharing the air quality data. " | Read more » | almost 2 years ago | |||
| Ag8n | "The tungsten lamp remarks only apply to the 660 nm red lines. " | Read more » | almost 2 years ago | |||
| Ag8n | "Best bet- use an old fashioned tungsten lamp. Not a LED claiming to be a tungsten lamp. An LED has a narrow bandwidth. An old fashioned tungsten..." | Read more » | almost 2 years ago | |||
| Ag8n | "Looking into the 660 nm lines. It's not that LEDs don't exist for 425 nm region. They do. But the ones in the catalogs seemed expensive. Going ..." | Read more » | almost 2 years ago | |||
| stevie | "Yikes that looks terrible! I'm sure you're reporting this. let us know how you do it and what happens! " | Read more » | almost 2 years ago | |||
| Ag8n | "There are 3 in 1 flashlights ( blue, white, and red) that would be good for this application- as long as the color was more like purple instead of ..." | Read more » | almost 2 years ago | |||
| Ag8n | "If you are using the public lab spectrometer, a light source for around 400 nm is needed. It looks like there are some blue or violet led bulbs/ f..." | Read more » | almost 2 years ago | |||
| Ag8n | "A test of this method might be to use lawn clippings and run it through the procedure. The idea is to extract chlorophyll, which should be presen..." | Read more » | almost 2 years ago | |||
| Ag8n | "Another, more current option , is to use a coffee grinder. With the temperature issues this material shows, probably using the frozen state would ..." | Read more » | almost 2 years ago | |||
| Ag8n | "As for the mortar and pestle, there are many options. Some mortar and pestles are very expensive, but they don't have to be. They should be easy t..." | Read more » | almost 2 years ago | |||
| Ag8n | "Was checking one of the online vendors. Found new centrifuges for $70. Industrial quality centrifuge costs were much higher, but who knows. If y..." | Read more » | almost 2 years ago | |||
| Ag8n | "Ok. Trying to stay as close to duplicate the original paper as closely as possible. R.la cera isn't in this area. But other closely related liche..." | Read more » | almost 2 years ago | |||
| chall0105 | "Caleb Hall- 5/10/2022- Water Security Link 1: Overall, the water quality in Louisiana is good due to the clean water act. Under this act, the disc..." | Read more » | almost 2 years ago | |||
| Ag8n | "One word of warning. Solvents ( like acetone) and plastic cuvettes do not usually go together. The worst case is the plastic melts, but the plast..." | Read more » | almost 2 years ago | |||
| simransia07 | "Thank you @warren for replying back. I understand the time constraints you all have due to the high number of applicants and I know that you have t..." | Read more » | almost 2 years ago | |||
| Ag8n | "Still have to do more work. But the acetone extract seems like something that might be doable in a home lab type situation. The acetone extract i..." | Read more » | almost 2 years ago |