Today’s Solutions: October 22, 2026

Sending a space vehicle into orbit takes a massive amount of fuel and energy, which is why the first nation to launch a satellite into space has now created a rocket engine that runs on “clean” fuel. Russia announced recently that it completed the first successful test of a full-size pulse-detonation engine that runs on a clean fuel mix to get vehicles into orbit at a lower cost than conventional rockets. For environmentalists and space agencies, the announcement is welcoming a news as it will allow for less expensive launches at a lower environmental cost.

Solutions News Source Print this article
More of Today's Solutions

How kites and ancient design are replacing fuel in Antarctic exploration

BY THE OPTIMIST DAILY EDITORIAL TEAM The last time a team completed a comparable crossing of Antarctica's interior, they burned through roughly 170,000 liters ...

Read More

Is this nut the most underrated sleepy-time snack? Here’s what the slee...

BY THE OPTIMIST DAILY EDITORIAL TEAM You're doing everything right at bedtime: you stay away from screens after nine, take a soothing dark shower, ...

Read More

Earthworms: a natural solution to farms’ wastewater

Royal Dairy in Royal City, Washington has a problem that's common to dairy farms. The hundreds of millions of gallons of water used by ...

Read More

How Swim Sista Swim Is Redefining Water Confidence for Black Women in the UK

BY THE OPTIMIST DAILY EDITORIAL TEAM Language, Identity & Belonging Welcome to the second week of The Optimist Daily’s Annual Local Changemakers series. Each ...

Read More