Backscattered electron micrograph of arabidopsis flower taken by Teresa Joyal, UMD Biology. Image width is approximately 925 µm.

Backscattered electron micrograph of arabidopsis flower taken by Teresa Joyal, UMD Biology.  Image width is approximately 285 µm.

Backscattered electron micrograph of arabidopsis flower taken by Teresa Joyal, UMD Biology.  Image width is approximately 300 µm.

Backscattered electron micrograph of chocolate taken by Geology 5321 student Dan Costello.  Image width is approximately 400 µm.

Backscattered electron micrograph of diatom collected from Rock Pond on the UMD campus.  Image width is approximately 80 µm.

Element map showing distribution of silicon (red), magnesium (green), and manganese (blue) in garnet crystal collected by Geology 5321 student Shelby Frost. Image width is approximately 3.7mm.

Backscattered electron micrograph of ink on paper taken by Geology 5321 student Greg Rhode.  Image width is approximately 250 µm.

Secondary electron micrograph of pollen collected by Biology 3601 students.  Image width is approximately 70 µm.

Secondary electron micrograph of pollen collected by Biology 3601 students.  Image width is approximately 50 µm.

Low-vacuum backscattered electron image (color added) of quartz crystals

Low-vacuum backscattered electron image of ceramic. Image width is approximately 600 micrometers

Low-vacuum backscattered electron image of insulating foam. Image width is approximately 800 micrometers