This is big news since unlike current solar sources of energy, where energy must be stored in batteries (with varying levels of efficiency), you can simply store the gases separately and re-combine them as you need the energy.

The researcher has teamed up with Tata group, which is good news since it lends some credibility to actually commercializing it.  It’s rediculous we’re still “drinking” oil out of the ground.  C’mon, it’s 2011.  You think it’s a coincidence that sunlight and water are two of the most abundant things on earth.  I don’t