3 ms·
Iodine used to power craft in space for first time
- powera 5y agoTitle (and perhaps the pay-walled article) is misleading. Iodine is the propellant (which is shot out the other way for Newton's Laws propulsion), not the source of energy (which is solar panels). Better discussion at https://news.ycombinator.com/item?id=29276960 https://news.ycombinator.com/item?id=29276960