Proof That College is More Expensive Than it Should Be

Here’s an article about some university researchers working on a device to create hydrogen from just sunlight and water.  It’s been done before, but their process greatly improves on the efficiency of the conversion and the lifespan of the device.

But towards the end of the article, there’s this bit about the fact that some of the parts are made of gold and platinum:

He and colleagues now plan to refine the system, including lowering the cost by making it with less expensive materials.  "There is no major reason for using gold or platinum," he says: those materials were used simply because they are common in the laboratory.

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