# Tianjin University unveils a 3-gram noninvasive brain-computer interface on the day before the optogenetics Nobel Prize

The developers describe the Shengong Xumi Brain Cube as the smallest and lightest noninvasive system of its kind. It samples at 1,000 hertz for eight to ten hours. On October 5 the Nobel committee honored the light-gated ion channels (proteins that open when struck by light) behind modern circuit neuroscience.

- Published: 2026-10-06T06:03:25.241Z
- Canonical: https://polylog.news/ai/2026-10-06/tianjin-university-unveils-a-3-gram-noninvasive-brain-comput
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Science and Technology Daily](https://www.stdaily.com/web/gdxw/2026-09/30/content_590361.html), [CNN](https://www.cnn.com/2026/10/05/science/nobel-prize-medicine-karl-deisseroth-peter-hegemann-georg-nagel-intl)

On September 30, Tianjin University's Haihe Laboratory of Brain-Computer Interaction and Human-Machine Integration and the company Shengong Diting (Tianjin) Technology released the Shengong Xumi Brain Cube. It is a noninvasive electroenceph…

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