When lubricating oils are utilized in various machinery equipment, they are often subject to the harsh conditions including elevated temperatures and varying oxidation levels. As a result of these ...

Some plants require soil to be acidic or alkaline in order to thrive. While you can buy a pH testing kit, this DIY method gives you an idea of what kind of soil you have, using two ingredients that ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...