Flexible Displays, Flexible Lives: How BloomBeacon Reimagines Interaction

Imagine reaching for a record or glancing at a map and seeing a display bloom from a slender line, offering interactive guidance—and then vanishing moments later. In a world crowded with digital screens, this flexible approach pioneered in BloomBeacon could reshape how we access information in homes, workplaces, and public spaces.

This breakthrough comes from PhD student Willa Yang, supervised by Assistant Professor Ken Nakagaki in the AxLab—a group known for advancing interactive systems and blending technology seamlessly into everyday life. Their guiding idea? Design technology that adapts to users, not the other way around.

“Screens are a powerful medium for displaying digital information and supporting interaction, but we either need to carry them, as with phones and tablets, or dedicate space for them in the environment, which creates visual clutter and limits where interaction can happen,” Yang explains.

Blooming on Demand, Blending with Life

Inspired by flexible interfaces in science fiction, Yang and Nakagaki asked: what if screens could appear only when needed—delivering guidance precisely where it’s relevant and blending unobtrusively into the environment?

BloomBeacon delivers on this concept, blooming from a slim line into a touch-responsive display.

“The concept broadens the possibility of where interactive content can be placed and tangibly interacted with,” says Yang. “BloomBeacon blooms into a larger surface only when needed, letting objects like speakers or maps become interactive for a moment before reverting back. This keeps our environments responsive without permanent screens or clutter.”

Whether augmenting a speaker with album art and touch controls, or providing safety alerts at the edge of a shelf, BloomBeacon integrates digital interaction exactly where—and when—it’s needed.

In schools, libraries, and design offices, it turns materials like paper maps into dynamic surfaces, offering overlays such as weather or heat maps when context demands. This approach supports accessibility and environmental harmony everywhere from professional settings to home spaces.

“This can reduce the need to shift attention between a phone and the physical task, make guidance more immediate and contextual, and allow everyday environments to become interactive without being permanently filled with screens,” Yang noted.

Safe, Accessible Interaction—Where It’s Needed

The project prioritizes safety and accessibility. Soft, rubbery blades, low-torque motors, auto-stop upon resistance, and arch-shaped electrodes ensure gentle interaction and safe operation. User studies revealed how the device, initially intimidating, quickly became comfortable and enjoyable once demonstrated.

Electrode height and rotation speed shape both sensing and experience. High, soft electrodes provide not just accuracy but a welcoming tactile feel—essential for accessible technology. Interfaces that “bloom” only when needed mean less distraction and more targeted help for people with cognitive or sensory disabilities, without a permanent presence.

Beyond BloomBeacon: Evolving Technology in Our Department

BloomBeacon signals a leap toward context-aware, distributed digital interfaces—making information appear exactly where it’s needed, not wherever a fixed screen exists. Technical challenges remain: faster sensors, smarter algorithms, and even more dynamic forms are on the horizon. Yang sees future versions collapsing a display down to a dot, ready to bloom when context demands.

The work on BloomBeacon reflects the broader ethos of the Department of Computer Science, where AxLab and other research groups are constantly exploring more integrated and responsive ways for technology to fit into everyday life. As the team refines the prototype and explores new directions, projects like BloomBeacon show how research here often finds fresh connections between devices, people, and their environments.

“People should be able to shape their environments instead of adapting themselves to fixed technologies. When designing interactive devices, the part that excites me most is not only what a device itself can do, but how it should exist in our space, and how to make it effortless for people to deploy. Through that lens, even traditional devices can be reimagined. I hope to design devices that empower people to make their environments work for them on their own terms.”