Professor Lilac Amirav of Israel’s Technion, has developed nanotechnology and solar energy to split water into hydrogen and oxygen with 100% efficiency. In time for Pesach – Moses would have been proud!
http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.5b04813
https://www.technion.ac.il/en/2016/03/breaking-down-h%E2%82%82o/