Like a myriad of other products we take for granted today, light has turned from something too precious to use into something everyone can afford - cost fallen by a factor of 500k https://t.co/jt0DVQVF5Z

Like a myriad of other products we take for granted today, light has turned from something too precious to use into something everyone can afford - cost fallen by a factor of 500khttps://t.co/jt0DVQVF5Z

— Nikhil Kulkarni (@kulkarninikhil) January 22, 2018

January 22, 2018 at 11:16AM
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