 Cardiologist Dr. Saad Hussain is in a completely different city but meeting with a patient at Crescent Regional Hospital by hologram. The patient sees a very realistic image of Dr. Hussain while Hussain sees his patient on a monitor. You just turn it on and you can do the examination on the video call. While it's no substitute for hands-on care, the holobox gives doctors a time-saving tool to connect with patients. Jim Ryan, ABC News, Dallas.