This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Nanowires . The scanning electron microscope image shows four rows of nanowires and their corresponding nanowalls nicknamed nano LEDs because they emit light when electrically charged The distance across the micrograph is approximately the diameter of human hair Credit NIST Disclaimer Any mention of commercial products within NIST