← ProjectsTangible UI
Making time physical through a hands-on calendar interface.
- Role
- HCI designer & creative technologist
- Timeline
- Academic exploration · 2025
- Team
- Independent project
Making time something you can handle
Tangible UI is a physical calendar concept. It explores a small question with a surprisingly large interaction problem behind it: what changes when planning moves from a touchscreen to an object on your desk?
The aim is to make browsing, choosing and confirming a date feel distinct. This is an exploration of physical interaction, not a claim that a physical calendar is automatically easier or more accessible than a digital one.
Start with the action, not the screen
A calendar holds several different intentions: finding today, looking ahead, choosing a day and committing a change. On a screen, those actions can look similar. In a physical interface, they need a clear relationship to movement and feedback.
The concept separates browsing from commitment. Moving through dates should let someone explore; selecting a date should be a deliberate step. That distinction is the organising principle of the interaction.
Give each control a stable job
Rotary movement is the proposed browsing gesture, with a press used for selection. The direction of movement needs to agree with the direction of time on the display. A control that changes its meaning without warning would undo the clarity the object is meant to create.
The display still matters. It carries the selected date and immediate planning context, while the physical control carries the action. The object is not meant to remove every screen; it explores which parts of planning benefit from touch.
The feedback is part of the interface
The useful design questions sit between the input and its response: how far should one turn move, how does the current selection stay visible, and how does someone recover after choosing the wrong date?
These details need testing in the physical prototype. A diagram can explain the mapping, but it cannot establish whether a control feels comfortable, whether feedback is noticeable or whether repeated use becomes tiring.
What this project contributes
The concept gives calendar actions a physical interaction language: browse, select, confirm and retain context. Its value is the design question it makes testable, rather than a measured improvement over an existing calendar.
The next evaluation should compare the same planning tasks across physical and screen interfaces. Task errors, recovery, perceived effort and the experience of people with different motor abilities would help decide what deserves a second iteration.
A calendar should help you hold time—not steal more of it.