Copyright is held by the author/owner(s). CHI’13, April 27 – May 2, 2013, Paris, France. ACM 978-1-XXXX-XXXX-X/XX/XX. Abstract Commonly used haptic interaction techniques are typically limited to touching solid glass displays or vibrations. Although there are more complex experimental haptic interfaces, their real application is often unclear. Our prototype of tangible heat map for visually imp...