A Bowtie-Shaped Nanoparticle (IMAGE) Weizmann Institute of Science Caption This is a bowtie-shaped nanoparticle made of silver with a trapped semiconductor quantum dot (indicated by the red arrow). Credit Weizmann Institute of Science Usage Restrictions None 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.