The Slime Mould Collective

An international network of/for intelligent organisms

Slime Mold Integrated Wearable Device

Hey all,

Wanted to share a project I just published at a conference. I definitely benefited from this community (everyone here is so inspiring and helpful :) ) and I even got some of my first slime mold samples from @ian. You can see in the paper I shouted out to this community too!


In this paper, we explore how embedding a living organism (in this case a slime mold, *Physarum Polycephalum*) as a functional component of a device, changes the user-device relationship. In our design, the user needs to care for the living organism (through providing food and water) in order for the device to work. When healthy, the organism participates in the device’s functionality by acting as a physical wire that enables power to the watch’s heart rate sensor. As such, caring for the device is intrinsic to its interaction design —with the user’s care, the slime mold becomes conductive and enables the sensor; conversely, without care, the slime mold dries and disables the sensor, and resuming care resuscitates the slime mold.

In addition to engineering this device, we also conducted a user study where participants wore our slime mold-integrated smartwatch for 9-14 days. We found that participants developed a unique connection towards their slime mold-integrated device, with many feeling a sense of responsibility and/or reciprocity.

Rather than a user-device relationship built on extractive use, our approach explores how devices can be designed to encourage the user taking on a caretaking role. We're excited about how our approach might foster new discussions about how we might rethink the user-device relationship.

The work is accessible online in the UIST 2022 Proceedings and is already available at our lab website ( You can find all the materials here:

- Video of device in action:
- Me giving the project talk at the UIST22 conference:

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Comment by Sarah Gracen on March 28, 2023 at 14:50


Comment by ian on November 16, 2022 at 12:19

That's awesome - also very strange!

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