Vibrant Composites writes about the engineering and design of haptic feedback systems. The focus is on the transition from vibration-based actuation to precision tap mechanisms, and the tactile communication languages that this hardware shift makes possible.
The subject matter sits at the intersection of mechanical engineering, perception science, and interaction design. The writing is technical but intended for a broad audience of engineers, designers, and researchers working in or adjacent to wearable technology.
The core topics are haptic actuator physics, nonlinear mechanical design, somatosensory perception, and the design of tactile vocabularies for non-visual communication. These are connected problems: the quality of the actuator determines what perceptual channels are available, and the available channels determine what communication systems can be built.
Adjacent topics include wearable system architecture, sensor fusion for adaptive haptic output, manufacturing challenges for precision actuators, and application domains where tactile communication has clear value: navigation, accessibility, athletic training, and silent notification.
The writing takes a hardware-first perspective. Many haptic interaction concepts have been proposed that outrun the capability of available actuators. The bottleneck is usually the mechanism, not the interaction design. When the actuator can produce clean, repeatable, perceptually distinct output, the interaction design problems become tractable. When it cannot, no amount of firmware cleverness or UX innovation compensates.