A robotic arm made of DNA moves at dizzying speed
Electric fields control the bot’s movements, giving the nanomachine its zip
![DNA robot illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/011718_MT_dnarobot_feat.jpg?fit=860%2C460&ssl=1)
RAPID ROTATION A robot made entirely of DNA can rotate its arm (purple) 360 degrees or lock it down in certain positions thanks to special latches (yellow) on the bot's platform.
C. Bickel/Science 2018