# A Tiny Gatekeeper Could Keep AI on Your Device

> Source: <https://viterbischool.usc.edu/news/2026/09/a-tiny-gatekeeper-could-keep-ai-on-your-device/>
> Published: 2026-09-21 20:42:38+00:00

USC Viterbi scientists built a device of five thin atomic layers that could make memory chips dramatically denser, cheaper, and powerful enough to run AI on your phone without sending a single byte to the cloud.

The post [A Tiny Gatekeeper Could Keep AI on Your Device](https://viterbischool.usc.edu/news/2026/09/a-tiny-gatekeeper-could-keep-ai-on-your-device/) appeared first on [USC Viterbi | School of Engineering](https://viterbischool.usc.edu).