| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| zengirl2 | "For a project I was looking at toxins in water and read about sunflower stalks being used for this purpose. There was even a startup in NJ, but not..." | Read more » | over 6 years ago | |||
| gretchengehrke | "Hmm. This is surprising to me too. Iron-rich clay can readily adsorb arsenic under oxygen-rich conditions (this is actually the root of Bangladesh,..." | Read more » | over 6 years ago | |||
| stevie | "interesting! I've seen people using clay to filter water in Nicaragua, but I don't have an understanding of how that worked. " | Read more » | over 6 years ago | |||
| Ag8n | "I'm very surprised. I've spent many hours analyzing incoming raw material ( often times clays) usually for heavy metals. Clays are often the sour..." | Read more » | over 6 years ago | |||
| liz | "Have you considered using a microscope to look at the bacteria directly? " | Read more » | almost 8 years ago | |||
| liz | "I think the original idea about what kind of thing to haul up into the sky was that it would be a like a sponge, allowing the air to pass through a..." | Read more » | over 8 years ago | |||
| nshapiro | "Thanks @liz ! the sterile sugar matrix sounds amazing. @kosamari is cost the reason for the sugar matrix over petri dishes? Keeping the media steri..." | Read more » | over 8 years ago | |||
| mathew | "Hi Nick, I think you could collect particles at altitude, since the wind hitting a free-flight balloon should be within the range that the Passive ..." | Read more » | over 8 years ago | |||
| liz | "This question has come up before, at EcoHack 2012, when @kosamari DIY manufactured cotton candy using a sodacan, power drill, a box of sugar, and a..." | Read more » | over 8 years ago | |||
| cooperbreeden | "David, I'm wanting to explore using this technology down in Nashville TN to monitor algae blooms. It's still completely brand new to me but I'd lov..." | Read more » | over 9 years ago | |||
| Audreygest | "This is awesome. I actually found this website because I recently moved into an apartment with new paint and new carpet, and the off gassing is int..." | Read more » | almost 10 years ago | |||
| warren | "Wow, some real bold testing going on here. I'm just careful to keep my boots dry, and there's no big problem, but that kind of limits the utility o..." | Read more » | about 10 years ago | |||
| MelissaN | "For shoes, there I found no miracles with EM. I wear minimal shoes with no socks for running, and they get REALLY stinky fast. A dusting of plain o..." | Read more » | about 10 years ago | |||
| warren | "whoa, melissa -- bacterial stinky shoe treatments? I have a pair of dearly beloved vegan leather boots which could use some; they don't do well in ..." | Read more » | about 10 years ago | |||
| MelissaN | "Wow! I love where you are headed with this Nick! It would be very cool if Lactobacilli or bacteria found in commonly fermented products also broke..." | Read more » | about 10 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 » | about 10 years ago | |||
| warren | "This is especially exciting to me because formaldehyde remediation also dovetails with the ability to detect formaldehyde, in that if we develop a ..." | Read more » | about 10 years ago | |||
| nshapiro | "Thanks, David! This is really helpful! " | Read more » | about 10 years ago | |||
| DavidMack | "Here's one of the EPA source sampling methods: select method 316 in the pick list here for the purified DI water capture method: http://www.epa.gov..." | Read more » | about 10 years ago | |||
| nshapiro | "Hey David, yes, you are absolutely right. Ventilation in situations with clean outdoor air is definitely the best short-term option. It is cheap/fr..." | Read more » | about 10 years ago | |||
| DavidMack | "It sounds like a novel approach to breakdown formaldehyde. However, if you're in a situation whereby outdoor air is cleaner than indoor air, would..." | Read more » | about 10 years ago | |||
| nshapiro | "Thanks @amysoyka! That's really interesting. Do you know if lactic acid is known to break down formaldehyde and that the outputs of that breakdown ..." | Read more » | about 10 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 » | about 10 years ago | |||
| carmelfromson | "Hi Liz, No I haven't yet, but am planning to make the mapping the main topic of discussion during our lunch on May 8th. I'm thinking that we need..." | Read more » | over 10 years ago |