This lecture features a panel discussion on various energy storage technologies, including batteries, supercapacitors, compressed air storage, and flywheels. The discussion covers topics such as battery aging, advantages of supercapacitors, hybrid energy storage systems, and the challenges of hydrogen storage. The panelists also explore the potential of biological systems for energy efficiency and the role of nuclear energy in the future energy landscape. The conversation delves into the importance of considering the entire life cycle of energy systems and the need for sustainable solutions in the face of global energy challenges.