Frubber (from "flesh rubber") is a patented elastic form of rubber used in robotics. The spongy elastomer has been used by Hanson Robotics for the face of its android robots, including Einstein 3 and Sophia.
References
"Innovations / Technology". Hanson Robotics. Retrieved 23 November 2017. http://www.hansonrobotics.com/about/innovations-technology/ ↩
"Hanson Breakthroughs, from Science to Art - Hanson Robotics Inc". www.hansonrobotics.com. Archived from the original on 2014-05-21. https://web.archive.org/web/20140521210424/http://www.hansonrobotics.com/hanson-robotics-at-wireds-nextfest-unveiling-zeno/ ↩
Hart, Matthew (23 March 2016). "'Frubber'-covered robot faces are disturbingly realistic". Nerdist. Retrieved 23 November 2017. https://nerdist.com/frubber-covered-robot-faces-are-disturbingly-realistic/ ↩
Hanson, David (6 January 2013). "Einstein 3". YouTube. Retrieved 19 December 2014. https://www.youtube.com/watch?v=Qbkdt8Wg1EQ ↩
"How it feels to meet Sophia, a machine with a human face". BBC. 6 September 2017. Retrieved 23 November 2017. https://www.bbc.com/future/story/20170906-how-it-feels-to-meet-sophia-a-machine-with-a-human-face ↩