Some burning questions have just got to be answered, no matter the substantial costs involved. One such question demanding attention is: can a laser pointer be used to examine the microscopic contents of a drop of water? Happily, the answer is yes, and without the aforementioned prohibitive expense. In this home experiment, a laser pointer was shone through a drop of water collected from the base of a potted plant and the magnified image projected on an opposing wall. Read on to see a video showing a bemused-looking cat watching the resulting light show.
Read the full article: Homemade laser microscope reveals water's murky secrets