Today’s Solutions: January 22, 2025

Much scientific effort goes into shoring up both our energy and water supplies for the future, but what if both problems could be addressed by the same technology? Researchers at the University of Illinois have come up with a new battery design that not only relies on salt water to store and release electricity, but removes the salt ions from the water in the process. Lithium-ion batteries have served us well when it comes to…

Print this article
More of Today's Solutions

Oslo’s quiet revolution: how electric construction sites are changing the game

BY THE OPTIMIST DAILY EDITORIAL TEAM Imagine walking past a bustling construction site and hearing… almost nothing. In Oslo, that’s becoming the new normal. ...

Read More

DIY toothpaste: a simple, eco-friendly guide to sparkling teeth

BY THE OPTIMIST DAILY EDITORIAL TEAM Are you tired of reaching for the same old toothpaste tube every morning? Making your own toothpaste not ...

Read More

The Rockefeller Christmas Tree gets a charitable new life after the holidays

We once shared how a tiny owl was rescued from the branches of the Rockefeller Christmas Tree. Now we have more good news as ...

Read More

Robot fish repairs itself with microplastics it collects

Microplastics are one of the most pervasive environmental and health issues of our time. And environmental engineers and researchers are working nonstop to address ...

Read More