These are looking promising: William Chueh: Pulling hydrogen out of water with the help of concentrated sunlight and an inexpensive material Prashant J

These are looking promising: William Chueh: Pulling hydrogen out of water with the help of concentrated sunlight and an inexpensive material Prashant Jain: Tuning nanocrystals to make tinier, more efficient switches for optical computing and solar panels Shannon Miller: Making engines super-efficient by getting them to run at extremely high pressures Bozhi Tian: Artificial tissue that can monitor and improve health down to the level of individual cells Zheng Wang: Slowing light to help chips cope with optical data