Optoelectronic Tweezer Microassembly (image) The Optical Society Share Print E-Mail Caption Researchers used optoelectronic tweezers to assemble a line of solder beads. By removing the liquid with a freeze-drying approach, the assembled beads stay fixed after the liquid is removed. Credit Shuailong Zhang Usage Restrictions None 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.