Chen Lab Equipment (IMAGE) University of Wisconsin - Milwaukee Caption Graduate students Ganhua Lu (in back) and Ming Liu operate the equipment called a "mini-arc plasma reactor," which they made with a personal welding kit. It vaporizes the material sample so that individual molecules can be isolated. "You could make this in your garage," says Junhong Chen. Credit Pete Amland, UW-Milwaukee Usage Restrictions with photo credit 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.