MIT researchers have developed a simple procedure for making a promising type of solar cell using lead recovered from discarded lead-acid car batteries — a practice that could benefit both the environment and human health. As new lead-free car batteries come into use, old batteries would be sent to the solar industry rather than to landfills. And if production of this new, high-efficiency, low-cost solar cell takes off — as many experts think it will…
Solar energy from discarded car batteries
More of Today's Solutions
The Giving Grove: how Kansas City’s free community orchards became a na...
BY THE OPTIMIST DAILY EDITORIAL TEAM It is harvest time in Kansas City, and at Kansas City Academy, students are stepping outside during lunch ...
Read MoreNew research identifies the exact spot where Alzheimer’s protein tangle...
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at Northwestern University and UC Santa Barbara identified a specific contact point on tau proteins where the ...
Read MoreHow the Sounds Right project brings harmony to environmental protection and m...
In the realm of music, inspiration can strike from the most unexpected sources. From the soft rustle of leaves to the grand roar of ...
Read MoreParis curbed cars—and cleared the air: what 20 years of bold green policy ach...
BY THE OPTIMIST DAILY EDITORIAL TEAM Paris spent the last two decades reimagining its urban landscape, and the results are not just visible, but ...
Read More
