Microscopes. Write down the stuff in GREEN (minimum). Look at your hand…. One square centimeter of skin contains more than 100,000 cells. No matter how closely you look with your eyes, you won’t be able to see individual skin cells. How the heck did we figure out they were there?.
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Write down the stuff in GREEN (minimum)
They made glass by super-heating sand – Sweet Home Alabama story
A simple microscope like this one has only one lens.
Story of burning glass at mountain man rendezvous
Two or more lenses put together make a compound microscope.
This “spyglass” was used on ships that visited Italy.
A light microscope uses light to see a specimen
Leeuwenhoek sent drawings like this to the Royal Society of London
Organelles inside of a cell.
Silicon molecule through STM
Find out how to use a microscope…..