Sandwich-inspired Sandwich Microscope
Single millimeter ball as thick lens
'Focused' microscope in a dollar
Components: Smart paper with bending quality, borosilicate glass ball, coin cell, slide carrying specimen (here onion epidermis), LED (be replaced by much smaller SMD LED in actual assembly, paper cello-tape.
Focusing: The 'bending' quality of 'smart' paper makes microscope 'compressible' to the extent it can vary distance between object (specimen on slide) and lens (ball).Distance between eye and lens (ball) is changed by user voluntarily or involuntarily .
Drawing inspiration from 'Beetles'
Pack of several millimeter balls
Drawing inspiration from involuntary focus by 'winking eye'
Single ball in centimeters as kids DIY microscope
