Phone Setup in Lab (IMAGE) American Society of Agronomy Caption Experimental set up showing soil sample on a 3D-printed turntable with cell phone. A light provides consistent illumination while a white background and white turntable top reduce background influence. The soil sample is rotated on the turn table while taking an image every one fourth rotation. Credit Colby Brungard Usage Restrictions For use with this story only License Licensed content 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.