fuckyeahfluiddynamics: “A fan’s blade passes through the hot air rising above a flame in this iconic image by high-speed photography pioneer Harold Edgerton. This photo uses an optical technique known as schlieren photography that makes density.
I have found that cream or butter in my coffee can really shut down my appetite. this can be a great thing when trying to control weight. sure, there are plenty of calories in the cream or butter, but i eat a lot less overall when i consume them.