Today’s Solutions: December 15, 2025

Singapore-based WateROAM aims to tackle this issue through a cost-effective way to convert waste water into drinking water. At just 400g, the company’s palm-size Fieldtrate Lite appears as a non-descript plastic bag but the portable filtration system claims to remove bacteria and other pathogens, without the need for electricity. The $25 device is able to filter 6-10 liters of dirty water in just an hour and is targeted towards households. What began as an entry…

Print this article
More of Today's Solutions

Scientists build first fully human bone marrow model to revolutionize blood d...

BY THE OPTIMIST DAILY EDITORIAL TEAM In a transformative leap for regenerative medicine, scientists have developed the first entirely human-engineered bone marrow system. This ...

Read More

7 cold and flu season mistakes doctors want you to quit making

BY THE OPTIMIST DAILY EDITORIAL TEAM You’ve heard the warnings: cold and flu season is no joke. But despite our best intentions (and fully ...

Read More

Three ways we can repurpose closed department stores

40 percent of US department stores have closed their doors in the past five years, but the question remains: what do we do with ...

Read More

Hubble takes beautiful image of galaxies “dancing”

The Hubble Space Telescope ventured into space over three decades ago in 1990, and has observed around 50,000 celestial bodies to date. During this ...

Read More