Some Rooms Watch Back
We built the first version of Silent Margin in an unused server
room.
No marketing plan, just cables and an idea: what if space
could listen?
Now it hums quietly under Maakri 19 — a place where motion, light, and heart rate mix in unpredictable ways. People step in expecting puzzles and end up arguing with their own timing.
Book a SessionWhat is OpenHubOn?
It started with sound mapping, not psychology.
Then someone added pulse sensors. Someone else muted the clock.
By the third prototype, the room had learned to wait for people to
calm down before opening a door.
It’s messy, unpredictable, and occasionally refuses to work —
which is kind of the point.
Things That Move When You Do
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Glass panels that fog when temperature spikes
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Pressure floor built from recycled studio tiles
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A light grid controlled by breathing patterns
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An ancient server rack running all of it on patched firmware
Not a Target Audience,
Just People Who Got Curious
A team from an architecture firm used it to test teamwork. Two friends from Tartu filmed a documentary inside. A psychologist ran her students through it and took notes on hesitation. One night a gamer tried to hack the light system — and accidentally fixed a bug. No two groups handle it the same, and that’s what keeps us running it.
People Who Helped, Sometimes By Breaking Things
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Eeva Karu
circuit designer who still insists the Core has moods
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Rasmus H.
sound tech who records silence for a living
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LightArc Systems
lent us gear after seeing a demo go wrong
None of this was sponsored.
Most of it was borrowed.
Pay for Time Inside,
Not for Drama Outside
Write, Don’t Ping
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Email
team@silentmargin.pro -
We answer between sessions. Sometimes faster, sometimes not.
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Location
Maakri 19/1, Tallinn, Estonia
