Designable van der Waals crystal realizes artificial neuronal cell mimicking with light chemeurope.com Engineered van der Waals crystal mimics neuronal cells with light-driven learning Tech Xplore Sungkyunkwan University research team designs crystal for artificial neuronal cell mimicking The Korea Times Sungkyunkwan team builds light-controlled artificial neuron crystal Let's Data Science Engineered crystal pathways turn light pulses into synaptic memory Nanowerk