A neat graphic depicting size and scale in the micro world by the University of Utah's Genetic Science Learning Center.
Those in bubble and droplet related research may benefit from a nascent journal -- Bubble Science, Engineering & Technology.
Want a primer on Acoustic Droplet Vaporization (ADV)? The Basic Radiological Sciences Ultrasound Group gives an introduction here.
Learn about Microfluidic Devices for Gas Embolotherapy. Check out Mr. Robinson Seda's Wiki article.