Via an article in the Daily Mail, we learn of the macrophotography of Dr. Gary Greenberg. At his Web site he offers three-dimensional microscopic imaging technology for movies and other uses, and has a fascinating series of pictures of sand grains, flowers, food and the like in high magnification.
To illustrate, here’s a montage of sand grains. Click the image for a larger view.
There are many more pictures at the article and in his gallery. Interesting viewing.
Peter
Are these all sound waves?
They are beautiful but. Um. I have degrees in geology and technically speaking, most of these are limestone fossils, not sand.