Someone recently shared the awesome solar cell timeline below with us and sister site Green Building Elements. Matthew Redford, who supplied the timeline, writes that he’s based it on the Wikipedia entry for solar cells. This is just a fun one — check it out:
Don't want to miss a cleantech story? Sign up for daily news updates from CleanTechnica on email. Or follow us on Google News!
Have a tip for CleanTechnica, want to advertise, or want to suggest a guest for our CleanTech Talk podcast? Contact us here.