The Ultra-Thin Diamond Membrane Detects Individual Protons as They Pass Through (image) American Institute of Physics Share Print E-Mail Caption The ultra-thin diamond membrane detects individual protons as they pass through, allowing researchers to irradiate micron-sized areas on living cells for radiobiology experiments. Credit Image by Philippe Barberet Usage Restrictions This image may be used only with appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.