Re: How does this work?
Here's a pic: https://www.nasa.gov/mission_pages/station/research/experiments/Saffire_Additional%20Image%201.png
From this, I'd assume the fire would go from left to right, but they must be using an iPhone. :)
Here's a pic: https://www.nasa.gov/mission_pages/station/research/experiments/Saffire_Additional%20Image%201.png
From this, I'd assume the fire would go from left to right, but they must be using an iPhone. :)