Scientists at MIT today revealed that they have created a more efficient artificial leaf that is the size of a poker card and when placed in a gallon of water and left in direct sunlight can separate the water into oxygen and hydrogen, that goes to a fuel cell to provide power.
Artificial leafs were first made about a decade ago but they used rare, unstable materials. This version however makes use of readily available, less expensive materials used in a simple way. The new version can continue to function (in lab tests) for a minimum of 45 hours without a drop in production.
The hope is to be able to use these to bring power to developing nations or areas otherwise unable to have stable power.
Nifty thing, if they can make it even more efficient then I think it might be a nice way to get power to places without a grid.
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