Blu-ray Discs get repurposed to improve solar cells
Polymer imprinted with movies' etchings captures more sunlight
![Microscope image of a Blu-ray Disc](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/11/ag_AFM_Blu-ray-patterns.jpg?fit=860%2C460&ssl=1)
LIGHT-FETCHING PATTERN Bumps and pits that encode data on a Blu-ray Disc, seen here in a false-color microscope image, can be imprinted on solar cells to improve light absorption, a new study shows.
Jiaxing Huang