Urine analisis/MICROSCOPY
Red blood cells can be seen well at 400x magnification as long as the microscope is of reasonable quality
http://www.hometrainingtools.com/microscope-slide-sets/c/151/
http://www.microscopy-uk.org.uk/dww/home/hombrown.htm
An exploration of your house in close-up
Studying motion
What you need:
A compound microscope capable of 200X or 400X magnification. Clean slides and coverslips. Distilled water (the water collected from the ice box when defrosting the fridge is an acceptable substitute). One or more of: talcum powder, pasteurised milk.
dreaming with have one of this ones
http://bestcompoundmicroscopes.com/ http://www.amazon.com/gp/product/B005TJ5CEG/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B005TJ5CEG&linkCode=as2&tag=bestcompoundmicroscopes-20
Do-it-yourself guide: How to use the modern single molecule toolkit http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2574008/
super nice hack :
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0098781