Turn your Smart Phone into a 175-400x ...
To explain the basics of a microscope A microscope set-up for a Smart Phone to magnify and record the behaviour of objects from 175 to 400x Examples of usage from biology and/or physics.
Measuring hearing abilities in the family
To get an overview of hearing ability (disability) by means of audiograms from child, junior, mother, father, grandfather, and compare these results to the average hearing persons in relevant age i...