| http://www.w3.org/ns/prov#value | - All of the PR in this blog is very strange, all that should be mentioned is that LED production costs dramatically decreased.LED costs had already been going down year after year along with output, and efficiency rising, so mentioning a product or cost is a bit of a leap.Instead, it would have been nice to read about GaN layering allowing for a process on silicon instead of sapphire.
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