In certain conditions, the white walls at home take on the character of a light box. In traditional Japanese architecture the intensity of atmosphere has a lot to do with the way natural light is filtered through the shoji paper panels, suffusing the interior spaces with subdued light, calming the spirit and sharpening the senses.
In optics, a caustic is the envelope of light rays reflected or refracted by a curved surface or object, or the projection of that envelope of rays on another surface. The caustic is a curve or surface to which each of the light rays is tangent, defining a boundary of an envelope of rays as a curve of concentrated light.
A piece of milled plexiglass acting as a projecting lens; via the Computer Graphics and Geometry Lab at the École Polytechnique Fédérale de Lausanne
New milling techniques applied to glass and plexiglass panels could be used to “create windows that are also cryptic projectors, summoning ghostly images from sunlight.”
[Pauly and Bompas] hope that the technique will be used in architectural design, to create windows that mould sunlight and throw images or patterns onto walls or floors,” which, if timed, milled, and manipulated just right, could produce a slowly animated sequence of images being projected by an otherwise empty window during different times of day.
To control the shape of a caustic pattern generated by a specular or refractive surface, we need to solve the inverse problem: how can we change the surface geometry, such that incident light is redirected to produce a desired caustic image?
More than ever, people are choosing how to spend their time based on the amount of attention they can garner—and you and I are no exception. Everyone is susceptible to this logic. But what I want to argue in this piece is that tech startup founders are particularly susceptible to this tendency.
Working at and around startups for several years, I’ve noticed many founders prioritizing culture, visibility, and perception over product, customer development, and strategy. Maybe this is to be expected in a time where culture moves faster and is perceived as more important than ever. But I find it unusual that the tech industry seems unaware of a whole class of typical mistakes founders make in pursuit of cultural relevance.
Early stage companies often deal with questions like “Why don’t we have as much adoption as we’d like at this time?” “Why aren’t we driving enough sales?” “Why is our churn rate so high and how do we raise retention?” and my favorite, “Why do we have no users?”
There are many ways to address these issues, but I find that companies frequently—and incorrectly—identify their public presence as the way to solve them.