There was a time when all pictures were taken with a camera, and phones were only used to call someone. I am also old enough to remember the camera that had a flash bulb, that was only used once. The element Re, which symbolizes Rhenium, was used to ignite a lighter to initiate the flash. In the Periodic Table of…
A solution is a liquid mixture made up of two or more substances in which molecules or atoms are completely dispersed. Another definition of “solution” is, the correct answer to a puzzle or problem. Losing weight is both a puzzle and a problem for me. It will take modifying my Behavior (B) to find the solutions. Both of these definitions…