![Riddles](../web_assets/top_headers_riddles.gif)
![how can you sail in outer space?](../web_assets/knowhow/riddle_solarsail.gif)
![the clue](../web_assets/knowhow/title_theclue.gif)
I'm Sarina. Mia and I thought a giant fan on the space station could blow a ship toward its destination. But since there's no air in space, we decided to try our fan in a vacuum chamber first. We found out that with no air, there's no wind. While the fan blades move, they don't blow anything.