Remember SLAP widgets? It was a project at RWTH Aachen University's Media Computing Group, trying to add some tactile controls to touch-sensitive displays. Now that concept is back and better than ever with Madgets, magnetic widgets crafted by Malte Weiß and Jan Borchers. Madgets start with the same idea as SLAP widgets, but take it to another level thanks to an array of electromagnets inserted behind the touchscreen. Reflective markers are detected in IR to tell the table the location and state of a physical dial or pressed button,
