Dr. Alex Lippert, Southern Methodist University (image) Southern Methodist University Share Print E-Mail Caption SMU chemist Dr. Alex Lippert and his lab developed the SMU 3-D light pad (shown here). It includes an ultraviolet projector and a visible projector, which project patterns of light into a chamber of photoactivatable dye. Wherever the UV light intersects with the green light it generates a 3-dimensional image inside the chamber. Credit SMU Usage Restrictions Please credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.