Multi-scale design of new lubricants featuring inhomogeneous viscosity Georgios Bletsos, Konstantinos Gkagkas, Varvara Asouti, Evangelos Papoutsis-Kiachagias and Kyriakos C. Giannakoglou Eur. Phys. J. B, 92 9 (2019) 201 Published online: 09 September 2019 DOI: 10.1140/epjb/e2019-100239-8