Interesting Engineering on MSN

Centuries-old indigo pigment could power safer, longer-lasting solid-state batteries

Indigo, the pigment used for centuries, has been repurposed by researchers from Concordia University in Canada, proving it ...
Tech Xplore on MSN

Blue jean dye could make batteries greener

Sustainability is often described in shades of green, but the future of clean energy may also carry a hint of deep blue.