jan 1, 1827 - Robert Brown noticed small grains of pollen in still water. Then it was found years later by Einstein that those grains moved because of the water particles pushing the pollen. Knwoing this, this was more proof for the scientists today to figure out thatparticles could also be in many other objects.
Added to timeline:
Date:
jan 1, 1827
Now
~ 198 years ago