Digital memory device mimics synaptic plasticity drastically curbing AI models' unsustainably massive training power demands
https://www.eurekalert.org/news-releases/1132459 "optoelectronic phototransistor unifies light sensing, data storage, signal processing within 1 device... traps electrical charges generated by light directly inside photosensitive layer acting as memory... applied electrical gate voltage moves trapped charges, electronically controlling whether digital memories strengthen/ decay over time... tunable time window for processing visual inputs, paving the way for highly energy-efficient neuromorphic and in-sensor computing systems"