Guide
Calm technology: a device that waits at the edge of your attention.
Most apps are built to hold your attention for as long as they can. In 1995, two researchers at Xerox PARC described the opposite: technology that keeps you informed from the edge of your attention and steps forward only when it matters. We design our ring around that idea.
In short. Calm technology informs without demanding your focus. It lives at the edge of your attention, like the sound of rain outside, and moves to the centre only when something needs you, then steps back. The idea comes from Mark Weiser and John Seely Brown (Xerox PARC, 1995); Amber Case later wrote it up as design principles. Lychnos Ring is designed around it: a light at the edge of your view, one buzz for what matters, a glance instead of a feed.
Where the idea comes from
In December 1995, Mark Weiser and John Seely Brown of Xerox PARC wrote a short essay, “Designing Calm Technology”, as part of their work on computers that disappear into everyday life. Their example was the Dangling String, made by the artist Natalie Jeremijenko: an 8-foot plastic string hanging from a small motor in the ceiling, wired to the office network. Each bit of traffic made the motor twitch. A quiet network meant a string that moved now and then; a busy one made it whirl, and you could hear it. People knew how the network was doing without ever looking at a screen.
The centre and the edge
Weiser and Brown’s key point is about attention. We focus on very little, but we stay aware of much more: while driving, you watch the road and still notice the engine’s sound. A calm device uses that edge. It keeps you informed from there, comes to the centre when something needs you, and goes back again. A noisy device does the reverse: everything it has arrives at the centre.
The principles, in short
In her 2015 book Calm Technology, Amber Case turned the idea into design principles. In our words, some of them:
- Ask for as little attention as possible.
- Inform, and leave people calmer, not more anxious.
- Use the edge of attention: a light, a tone or a touch can say enough.
- Communicate without always speaking.
- Keep working sensibly when something fails.
- Use the least technology that solves the problem.
- Respect social norms: the people around the user matter too.
Built for attention, or built for calm
| Built to hold attention | Built for calm |
|---|---|
| Every app may buzz you | Only what you mark as important buzzes |
| A feed that does not end (infinite scroll) | A glance, then it goes quiet |
| Red badges and counts | A light that changes colour |
| Always listening for a wake word | Listens only while you press |
| Acts, then tells you | Asks first, in one line |
How we use it in Lychnos Ring
- A light at the edge of your view. Its light line shows whether it is listening, thinking or has an answer, without a word to read.
- One buzz for what matters. A few patterns you can tell apart; everything else waits. More in haptic feedback explained.
- A glance, not a feed. The see-through screen is designed to show a line or two, then go quiet. There is nothing to scroll.
- It listens only while you hold it. No wake word: hold to talk.
- It asks first. One press says yes, two presses stop: an AI that asks first.
Lychnos Ring is in development; these are its design aims, and we will test them with people wearing the prototypes. See the AI ring you talk to.
Sources, read 4 November 2026: Mark Weiser and John Seely Brown, Designing Calm Technology, Xerox PARC, 21 December 1995; Amber Case, Calm Technology: Principles and Patterns for Non-Intrusive Design, O’Reilly, 2015, and her principles of calm technology.
Questions
What is calm technology?
Technology designed to stay at the edge of your attention, informing without demanding focus, and to come to the centre only when something needs you. Mark Weiser and John Seely Brown of Xerox PARC described it in 1995.
What are examples of calm technology?
Weiser and Brown's example was the Dangling String, a long plastic string on a small motor that twitched with each bit of network traffic, so people felt how busy the network was without looking. A kettle's whistle and a light that changes colour work the same way.