| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| alejobonifacio | "Hi! good question! The frequency of PWM of arduino is about 500hz. Is that enough for conductivity measurement? " | Read more » | 28 days 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 » | about 1 month ago | |||
| Ag8n | "Little change here. Most water or liquid measurements are on transmitted or absorbed light. " | Read more » | about 1 month 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 » | about 1 month ago | |||
| michelleiL | "@JuliaGuerrein @caitlion " | Read more » | about 1 month ago | |||
| Ag8n | "The tungsten lamp remarks only apply to the 660 nm red lines. " | Read more » | about 1 month 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 » | about 1 month 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 » | about 1 month 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 » | about 1 month 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months 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 » | about 2 months ago | |||
| ranavivek_me19 | "Hey! @jywarren , thanks a lot for ur feedback. For the hashtag idea, it will be useful to aggregate similar kinds of authors and even during the s..." | Read more » | about 2 months ago | |||
| liz | "This workshop is still the gold standard! Thank you " | Read more » | about 2 months ago | |||
| sashae | "Yes that's the idea! In DIY Satellite Ground Station workshops we often found it difficult to navigate different operating systems on the fly. APT ..." | Read more » | about 2 months ago | |||
| fongvania | "There's some work needed to modify this research protocol so it can be done in regions like Ohio that might not have the exact species listed in th..." | Read more » | about 2 months ago | |||
| fongvania | "I don't know of a community science project using the pigment extraction method since there are some specialized steps and equipment, but we're cur..." | Read more » | about 2 months ago | |||
| Ag8n | "This looks great!! Thank you! Is this also a way around all the different platforms ( windows, linux, etc.)? " | Read more » | about 2 months ago | |||
| sashae | "Hi @Liz! Thanks for asking. Yes a link is coming soon. This research note will also be expanded significantly in the coming weeks. " | Read more » | about 2 months ago | |||
| sashae | "Hello @Ag8n ! A link to the decoder will be added before the end of the week. This research note will be expanded to include information on the pro..." | Read more » | about 2 months ago | |||
| tats_daniel | "Hi Chris, I am experiencing the same problem with my NDVI values. Can you help on how you manipulated the red channel to resolve the issue. Thanks " | Read more » | about 2 months ago | |||
| perhisohwode | "Hi @warren, Sequel to your reviews and feedbacks, I have updated my proposal to reflect the checks to be carried out to sync MK with the latest dat..." | Read more » | about 2 months ago |