@article{meng2021,
  title = {Soft actuators for real-world applications},
  journal = {Nature Reviews Materials},
  volume = {7},
  number = {3},
  pages = {235--249},
  year = {2021},
  author = {Li, Meng and Pal, Aniket and Aghakhani, Amerriza and Pena-Francesch, Abdon and Sitti, Metin},
  doi = {10.1038/s41578-021-00389-7}
}