Recently, I tried to make a Leeuwenhoek style magnifying glass/microscope by drawing a bit of glass tubing into a ball using a propane torch (along the lines of the project in Make Magazine Vol 20.) ...

Question from Nora in Ms. Fitzpatrick’s class. A microscope is an instrument that lets you magnify and see really small things that you cannot distinguish with your naked eye. The earliest microscopes ...

FOR many purposes, such as tracing networks of neural structure in the brain, a normal microscope has the serious limitation that only a thin layer of the specimen can be studied at one time, owing to ...