Yurt. Turn Your Cellphone Into a High-Powered Scientific Microscope. InShare0 Cellphone Microscope - Step 1Grab any cellphone with a camera, but note models that use touchscreen focusing and/or have manual focus options are best.Find some thin, dark, rubbery material and poke a small hole in it (less than 1 millimeter in diameter).
This can be done using a pin or needle. The Learning Thermostat. Welcome to Appropedia. Fresnel lens science.