Buster Posey Twins Born: Giants Catcher Officially A Dad (VIDEO) Early Sunday morning, San Francisco Giants legendary catcher, Buster Posey, officially became a dad. Posey's wife and high school sweetheart, Kristen, delivered Lee Dempsey Posey (5 pounds, 12 ounces) at 1:52am, and Addison Lynn Posey (6 pounds, 3 ounces) two minutes later at 1:54am. (SCROLL DOWN FOR VIDEO)
Compound light microscopes are one of the most familiar of the different types of microscopes as they are most often found in science and biology classrooms. For this reason, simple models are readily available and are inexpensive.
Use of Microscopes. When most people think of microscopes, biology and medicine probably come to mind. And the desire to learn about living things was most likely the main reason for the invention of the microscope. Today, however, microscopes are used in many other fields. For example, geologists use microscopes to examine rocks and minerals and materials scientists use them to study plastics and polymers.