The future of energy is getting a jolt from an unexpected source: rocket science. Critical Energy, a startup founded by former SpaceX engineers, has secured $22 million in funding to transform retired rocket engines into powerful geothermal power plants. This innovative initiative aims to harness the immense heat from the Earth's core in a more efficient and scalable manner. The company's ambitious goal is to deploy 300 gigawatts of geothermal power capacity annually by 2045, a target that could significantly contribute to global decarbonization efforts. By adapting the robust engineering principles and high-performance materials used in rocket propulsion, Critical Energy is poised to unlock a new era of clean, reliable, and abundant energy. This venture highlights how cross-industry innovation can drive sustainable solutions and reshape our energy landscape for the better.