Uniaxial stress has been used to study the Fe-based superconductors with spectacular results. Both the transport properties and the low-energy magnetic excitations have been shown to respond uniaxial stresses. With pressure causing anisotropy to develop in the in-plane resistivity and in the spin excitations from the tetragonal state. In this experiment, we will apply the same technique to the high temperature cuprate superconductors. These are thought to be mediated by spin fluctuations. We will determine whether "electron nematic" effects are present in the spin fluctuations of a canonical example, La2-xSrxCuO4. Nematic behaviour, may arise from an intrinsic tendency of the electronic system towards stripe formation or via coupling to the lattice.