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Author Comment Last activity Moderation
amysoyka "Cool fact: this is also why air is cleaner at night. No sunlight means no breakdown of NO2 into Ozone! " | Read more » almost 5 years ago
amysoyka "@cfastie is right... Its NO2 - but its being turned into Ozone! The process is explained here: http://www.epa.vic.gov.au/air/aq4kids/smog.asp " | Read more » almost 5 years ago
amysoyka "I was planning in using a webcam + the lenses from an old CD/DVD drive. (Yes, I like my old CD/DVD drives. ;) ) " | Read more » about 5 years ago
amysoyka "http://home.hiroshima-u.ac.jp/er/EV_EI_A(2)_07.html ...If you scroll down in the page linked above, it tells you the different refractive indexes ..." | Read more » about 5 years ago
amysoyka "@nshapiro Sorry for taking so long to write a reply. I realized that what I replied with initially wasn't what you were asking. Lactic Acid is w..." | Read more » over 5 years ago
amysoyka "@el_tonio Your image has me thinking it might be worth using a piece of metal piping & turning it into an electromagnet. Also, found this art..." | Read more » over 5 years ago
amysoyka "@btbonval It was good advice, so thanks. This would work for identifying clumped asbestos fibers for sure! The thing that I really want to home ..." | Read more » over 5 years ago
amysoyka "@btbonval Did you mean like this? I used Paint.net > Adjustments > Levels and made it so that the Input histogram was between 255-240. (..." | Read more » over 5 years ago
amysoyka "Great talk. You've done a great job at making this video informative - so U awarded you a watchdog barn star Anyhow, cutting to the chase. The iss..." | Read more » over 5 years ago
amysoyka "What you need is lactic acid. It is a detergent and really easy to homebrew - it is naturally found in sour dairy. You can find out more about its..." | Read more » over 5 years ago
amysoyka "This is a gravimetric sensor: In theory, don't PM particles have different weight, depending on atomic content. If you were to use a mesh to re..." | Read more » over 5 years ago
amysoyka "Sure - the source for that image is the link in the comment above it by the way. I like super-visual. Apparently so does Stephen Hawking - who app..." | Read more » over 5 years ago
amysoyka "Oh & this picture is just awesome too!: " | Read more » over 5 years ago
amysoyka "This article explains in some detail about the point Matthew just made: http://www.powermag.com/blog/pm2-5-more-than-just-dust/ " | Read more » over 5 years ago
amysoyka "Hi there, I was just wondering if you ever debunked the claims by AQICN: http://aqicn.org/experiments/what-is-the-dylos-monitor-actually-measuring/..." | Read more » over 5 years ago
amysoyka "There is this really cool trick for peeling CD's. This video shows how it works: CD spectroscope: http://youtu.be/-cH_2mbsvBo " | Read more » over 5 years ago
amysoyka "Looks like it has kind of been done elsewhere for a slightly different purpose: http://pubs.rsc.org/en/Content/ArticleLanding/2011/LC/c0lc00451k " | Read more » over 5 years ago
amysoyka "You know what... I'm looking at this image here and can't help but think we could repurposed some old CD drives. http://en.m.wikipedia.org/wiki/Pa..." | Read more » over 5 years ago
amysoyka "Sure. Someone I was speaking to recently was talking about the turbidity of water being an indicator of particulate matter. I wonder if there is ..." | Read more » over 5 years ago
amysoyka "Edit: I just realised it is the Alima that does particle sensing. My apolpgies. Netatmo tries to work our Air Quality as a whole & that is with..." | Read more » over 5 years ago
amysoyka "The weather station we have does let you plug in new sensors - the issue would be that it wouldn't display on the display - as that is limited to w..." | Read more » over 5 years ago