Research by stevie 274 research notes and 1566 wiki edits starting about 10 years ago
What happens to the simple air sensor when the battery pack runs low?
Post by @stevie 9 | almost 5 years ago
How much helium do you need to fill a balloon in the regular balloon mapping kits?
Post by @stevie 3 | almost 5 years ago
What soil testing methods might be good for someone who lives by a highway overpass?
Post by @stevie 4 | almost 5 years ago
Can someone clarify the colors on the simple air sensor? (turning white when plugged in)
Post by @stevie 5 | almost 5 years ago
Are there any charts useful for describing the way pollutants smell?
Post by @stevie 2 | 5 years ago
