What’s smaller than a coffee bean?
A grain of rice?
A sesame seed is even smaller.
Where it gets interesting is what’s smaller than a grain of salt.
Did you know:
The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an amoeba proteus, a human egg, and a paramecium without using magnification.
Click on the above image to take an interactive tour from a coffee bean to a carbon atom and interesting stuff in between. Control your journey using the slider at the bottom of the graphic.
For more information and to read a little about what you’re seeing, visit: Cell Size and Scale at the University of Utah’s Genetic Science Learning Center or click on the image.