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Information spaces are virtual workspaces that help us manage information by mapping it to the physical environment. This widely influential concept has been interpreted in a variety of forms, often in conjunction with mixed reality. We present Ethereal Planes, a design framework that ties together many existing variations of 2D information spaces. Ethereal(More)
Mid-air interactions are prone to fatigue and lead to a feeling of heaviness in the upper limbs, a condition casually termed as the gorilla-arm effect. Designers have often associated limitations of their mid-air interactions with arm fatigue, but do not possess a quantitative method to assess and therefore mitigate it. In this paper we propose a novel(More)
Collaborative work is characterized by participants seamlessly transitioning from working together (coupled) to working alone (decoupled). Groupware should therefore facilitate smoothly varying coupling throughout the entire collaborative session. Towards achieving such transitions for collaborative exploration and search, we propose a protocol based on(More)
Mobile device use while walking, or <i>eyes-busy mobile interaction</i>, is a leading cause of life-threatening pedestrian collisions. We introduce CrashAlert, a system that augments mobile devices with a depth camera, to provide distance and location visual cues of obstacles on the user's path. In a realistic environment outside the lab, CrashAlert users(More)
Workplace collaboration often requires interruptions, which can happen at inopportune times. Designing a successful availability-sharing system requires finding the right balance to optimize the benefits and reduce costs for both the interrupter and interruptee. In this paper, we examine the design space of availability-sharing systems and identify six(More)
In optical see-through displays, light coming from background objects mixes with the light originating from the display, causing what is known as the color blending problem. Color blending negatively affects the usability of such displays as it impacts the legibility and color encodings of digital content. Color correction aims at reducing the impact of(More)
In this paper we present a field trial of the eLabBench, a digital tabletop-based laboratory bench designed to support the exploratory practices of molecular biologists in the laboratory. The eLabBench supports the organization of personal information, capture of experimental work for later access, and the use of a variety of computational resources(More)
We present the <i>eLabBench</i> -- a tabletop system supporting experimental research in the biology laboratory. The <i>eLabBench</i> allows biologists to organize their experiments around the notions of <i>activities</i> and <i>resources</i>, and seamlessly roam information between their office computer and the digital laboratory bench. At the bench,(More)
Users of optical see-through head-mounted displays (OHMD) perceive color as a blend of the display color and the background. Color-blending is a major usability challenge as it leads to loss of color encodings and poor text legibility. Color correction aims at mitigating color blending by producing an alternative color which, when blended with the(More)
As a novel class of mobile devices with rich interaction capabilities we introduce tPads -- transparent display tablets. tPads are the result of a systematic design investigation into the ways and benefits of interacting with transparent mobiles which goes beyond traditional mobile interactions and augmented reality (AR) applications. Through a(More)