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'Major discovery' from MIT primed to unleash solar revolution - MIT News Office -
July 31, 2008 and nothing revolutionary since then AFAIK "In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing energy for use when the sun doesn't shine." ‎- silpol
Kanan, M. W.; Nocera, D. G. (2008). "In Situ Formation of an Oxygen-Evolving Catalyst in Neutral Water Containing Phosphate and Co2+". Science 321 (5892): 1072–5. doi:10.1126/science.1162018. PMID 18669820. ‎- silpol
tl;dr: new cheap catalyst for water electrolysis. still needs some platinum. ‎- 9000