Stay home projects

As the “shelter in place” order continues, I need lots of home projects for my little one so he doesn’t feel bored and I don’t feel too stressful. Early this year when we traveled to a beach my little one collected some shells. Oh, lord now I miss my travel time. 😀 We haven’t got … More Stay home projects

Simple calculation of how much vapor of oil painting solvent in working area

Ever since I started oil painting, I get a lot info on how bad the solvent is, especially its vapor (fume). Someone even describe it as an evil. Well, as a formal chemist, I need more data to prove any statement rather than description or imagination only. So I download the MSDS file and I … More Simple calculation of how much vapor of oil painting solvent in working area