For three decades, most of us have interacted with computers in exactly the same way: We point with a mouse (or a finger!), click, and watch the screen. In one way, it’s the most outdated element of ...

MIT’s Daniel Leithinger sits in front of a screen displaying video of a red ball on a table. Leithinger raises up his hands and a field of columns erupts from the table, forming a pixellated physical ...