Funding for this research was provided by:
Science, Technology and Innovation Commission of Shenzhen Municipality (KQTD20140630110339343)
Air Force Office of Scientific Research (FA9550-18-1-0320)
Office of Naval Research (N00014-20-1-2116)
First Online: 20 August 2020
: A.F. is the founder and chief technology officer of Flexterra Corporation and has been a scientific advisor of Raynergy Teck. X.G. declares no competing interests.