Author | Comment | Last activity | Moderation | ||
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warren | "Hi, @Meculus and @macapola - the other element that may be causing trouble is the light. If you are right up against the slide, almost touching, th..." | Read more » | over 4 years ago | |||
wln215 | "This post got me thinking weather it's possible to use the kind of technology laser range finders use, but at a wavelength that snow is invisible t..." | Read more » | over 4 years ago | |||
sara_taylor | "nice info i learnt a lot from it please also see this quility premium weighted blanket " | Read more » | over 4 years ago | |||
mimiss | "This is a really interesting question, and it led me to look more into the use of face masks in disease prevention. The CDC has prepared this page ..." | Read more » | over 4 years ago | |||
cfastie | "I think a laser rangefinder might work well for this. Put it on a pole and point it downward to measure the distance from the rangefinder to the sn..." | Read more » | over 4 years ago | |||
carenacquaviva | "Yes, It's a big problem. I have a statement here, read it free time " | Read more » | over 4 years ago | |||
stevie | "There's a simple test people can do sometimes referred to as "the stick test." In this method, you would use a stick or a rock to poke a hole in t..." | Read more » | over 4 years ago | |||
macapola | "HI! I have the same problem, did you find any solutions? " | Read more » | over 4 years ago | |||
Meculus | "I can get it to focus somewhat, but with an onion skin (the main thing I tried), and try to focus as much as I can, it just looks like this: Movi..." | Read more » | over 4 years ago | |||
stevie | "I know @mathew did some work a number of years ago exploring air flow. Here's a link to some of that material: https://publiclab.org/notes/mathew/0..." | Read more » | over 4 years ago | |||
stevie | "@nshiparo I was wondering if you have any ideas on these questions, or know who else we might reach out to? " | Read more » | over 4 years ago | |||
liz | "Hi there! Seems like your post here is perhaps incomplete? Please write back if you intend to complete this post, perhaps we might be able to help? " | Read more » | over 4 years ago | |||
Ag8n | "Check with the individual sampling tubes for airflow requirements. Most manufacturers also sell hand pumps, that can be used to sample the air rel..." | Read more » | over 4 years ago | |||
Ag8n | "In industry, we commonly used draeger tubes to measure for a number of contaminants. There are other companies that make less expensive versions o..." | Read more » | over 4 years ago | |||
monikaroymoni186 | "Thanks for sharing this article it was very helpful. Call Girls in Gurugram | 100% Hot Model Girls Service 24/7 Best Royal Escorts services in Guru..." | Read more » | over 4 years ago | |||
stevie | "Also, the drinking water standard for nitrates is 10 milligrams per liter (10 mg/l) nitrate-N, or 45 mg/l nitrate-NO3. Most of the consumer tests f..." | Read more » | over 4 years ago | |||
stevie | "I just looked into these a little further. All of them use sulphuric acid which can be dangerous. The brown ring test: https://byjus.com/chemistry..." | Read more » | over 4 years ago | |||
liz | "Thank you @Ag8n! " | Read more » | over 4 years ago | |||
jfalquet | "Thanks a lot, Jack! Considering the prices, I'm wondering whether adding a MID-IR filter to some cheaper detector, and strongly amplifying the resi..." | Read more » | over 4 years ago | |||
warren | "Hi! focusing can be tough, but if you're occasionally getting things into focus you're doing well. The lens needs to be right up near the slide, al..." | Read more » | over 4 years ago | |||
JSummers | "Hi jfalquet, I dont have experience with this but it looks like getting out to 13 microns is neither easy nor cheap. Here are some options for a d..." | Read more » | over 4 years ago | |||
Ag8n | "Yes, I have a lot of experience with a number of types of gc. First, if you are talking about buying a frog 5000, realize that you are really talk..." | Read more » | over 4 years ago | |||
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yp1080030 | " different types of nitrate tests: the brown ring test, Devarda's test, diphenylamine test, and copper turning test CLICK HERE " | Read more » | over 4 years ago |