The Martian How does Watney solve the beat problem in the rover? 🔥🔥 Asked by Sydney A #658562 on 5/25/2017 3:15 PM Last updated by Aslan on 5/25/2017 5:06 PM
He uses the RTG (radioisotope thermoelectric generator) which is basically a lump of highly radioactive material that gives off heat.