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Nanofluids, explains Chand, are fluids that contain a small amount of uniformly dispersed and suspended nanometer-sized particles, which enhance the thermal conductivity of the fluid. Such fluids are becoming important commercially, especially where cooling is of primary interest. He investigates theoretically the thermal instability in a horizontal layer of Maxwellian visco-elastic nanofluid on the basis of Buongiorno's model for more realistic boundary conditions. Using the Galerkin weighted residual method, he finds the solution of the eigen value problem, derives stability criteria for stationary and oscillating convection, and plots graphs to study the effects of various parameters on stationary and oscillating convection. Annotation ©2017 Ringgold, Inc., Portland, OR (protoview.com)