Activity for Austin Hemmelgarn‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Different woods and how they burn/what if we are unsure of the wood? It's hard to be absolutely certain without a specific goal for the firewood, but there are some generic things to look for: Sap: Sap-rich woods usually produce a lot of smoke, often black or dark grey in color due to incomplete combustion of the terpenoids in the sap. Classic examples include ced... (more)	—	almost 6 years ago
Answer	—	A: Are there any natural materials that can be used as a magnifying lens (or to craft one)? As has been mentioned in other answers, for vision, a pinhole device, similar to what is used for pinhole cameras, is your best bet. Short of water (which you have already ruled out), that's about the only natural option you have. For fire though, you have multiple options: Don't discount making ... (more)	—	about 6 years ago