http://www.isnare.com/?s=author&a=Evan+Mattensen Computers and Technology Evan Mattensen Tue, 15 Jan 2008 00:00:00 -0800 http://www.isnare.com/?aid=44936&ca=Computers+and+Technology * What are Compound Microscopes? A Compound Microscope is a microscope that consists essentially of two or more double convex lenses fixed in the two extremities of a hollow cylinder. The upper lens is the eyepiece and the lower lines in the objective. The cylinder is mounted upright on a screw devi... Computers and Technology Evan Mattensen Mon, 13 Nov 2006 00:00:00 -0800 http://www.isnare.com/?aid=100908&ca=Computers+and+Technology * What is an electron microscope? Invented by a German physicist named Ernst Ruska, electron microscopes are mostly used in archaeology, medicine, and geology to look at surfaces or layers of objecs. Rather than using light, electron microscopes use electrons to produce images. They have high resolu...