The selenium cell was developed by Joel Stebbins from 1907 to 1922 while he directed the observatory.
From the en.wikipedia.org
He showed how, when he turned on a lamp to illuminate a selenium cell, a bell would ring, when the lamp was off, the bell would stop.
From the en.wikipedia.org
Stebbins pioneering work with the selenium cell continued until 1913, when he and University of Illinois physics professor Jakob Kunz became associated.
From the en.wikipedia.org
As the 19th century drew to a close, the first solar cell appeared, covered in selenium.
From the halesowennews.co.uk
Selenium is necessary for human cell function in trace amounts but is toxic in very large doses.
From the washingtonpost.com
When the researchers exposed three different human melanoma cell lines to the two compounds, the selenium-enhanced drug worked better on some cell lines than others.
From the sciencedaily.com
Selenium kills bacteria by catalysing the formation of superoxide radicals, which oxidise their cell walls.
From the newscientist.com
More noble metals such as silver and gold as well as selenium and tellurium settle to the bottom of the cell as anode slime, which forms a saleable byproduct.