Radioisotope power systems turn the decay of substances like Plutonium-238 into electricity. There’s been major progress in making these systems better. They help produce power in remote or tough spots. New research includes finding alternate ways to craft materials for these systems. This involves methods like the external gelation sol-gel technique. It’s for making stuff that mimics Americium Uranium Oxides used in some European power systems. The quest also includes looking for Plutonium-238 substitutes to better radiation heater units. The goal is to enhance energy solutions that are clean, reliable, and more effective.