See microbes with a DIY phone microscope
by Mark Frauenfelder from on (#16DV8)
Anna Rothschild says, "See the tiny creatures living in a pond or puddle using your smartphone, poster tack, and a laser pointer."
Build a microscope stand for your laser pointer lens scope.
Create a 1000x smartphone microscope with a glass bead.
Don't have a smartphone? Try this water drop microscope from Mr. Wizard.
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