| 1 | What' s an electron microscope? | |
| 2 | Capturing an image with an electron microscope is a time consumingand expensive process. | |
| 3 | The most powerful electron microscopes can resolve molecules and even individual atoms. | |
| 4 | To see anything smaller than 500 nm, you will need an electron microscope. | |
| 5 | This scanning electron microscope image illustrates one attempt to do so. |