Breathe in. Breathe out. Take a second and just let the air flow naturally through you.

When you’re having a tough time — you’re feeling an awful lot of resistance, maybe, or just running out of energy — remembering to breathe is important. It’s a mantra for a reason.

And now it’s not just good advice for people. The European Space Agency announced this week they’d developed a satellite thruster that breathes too, solving a host of problems and establishing a possible new era for upper