A DNA Origami Helicopter (VIDEO) Harvard University This video is under embargo. Please login to access this video. Caption By adding fluorescent molecules to the tip of one of the DNA propellers, the team could capture the rotation of the molecular motor as it moved along the DNA. Credit Pallav Kosuri/Zhuang Lab/Harvard University Usage Restrictions With proper 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.