Fan, X., Jiang, Y., Li, M., Zhang, Y., Tian, C., Mao, L., Xie, H., Sun, L., Yang, Z., & Sitti, M. (2022). Scale-reconfigurable miniature ferrofluidic robots for negotiating sharply variable spaces. Science Advances, 8(37):. doi:10.1126/sciadv.abq1677.