Like waves sweeping through tiny stadium crowds, microscopic machines engineered by Cornell researchers can autonomously synchronize their movements, opening new possibilities for the use of microrobots in drug delivery, chemical mixing and environmental remediation, among other applications.Like waves sweeping through tiny stadium crowds, microscopic machines engineered by Cornell researchers can autonomously synchronize their movements, opening new possibilities for the use of microrobots in drug delivery, chemical mixing and environmental remediation, among other applications.[#item_full_content]