With a single bead of plastic, scientists tease interactive 3D

Scientists have developed a 3D display that moves and can recreate the sounds and even a sense of touch of the objects it shows.

or special viewing equipment, he said, but the new display – dubbed MATD, for Multimodal Acoustic Trap Display – doesn’t need a screen or other aids, and the 3D image can be safely touched.” technology that can suspend particles in space and move them with ultrasonic waves.

The high speed of the bead – up to 28 feet a second – makes it look like a much larger image. Some of the demonstration images show a 3D butterfly flapping its wings, a colored knot and a globe of the world. “It’s a bit like if you take a straw and blow onto your hand,” he told NBC News. “It’s distinct enough to feel it, but it’s not enough to stop you from doing anything.”

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