2021.12.15 Announcement of the 4th ERATO Seminar “Advanced Polymer-Derived (Ultra)-High-Temperature Resistant Ceramic Nanocomposites for Energy Conversion and Storage” The 4th ERATO Seminar of the Yamauchi Materials Space-Tectonics Project was held online at 17:00 on October 8, 2021. The speaker is Dr. Ralf Riedel, Professor of the Institute of Materials Science, Technical University of Darmstadt, Germany, who is a remarkable researcher in a wide range of fields such as high-temperature ceramics and electrochemical materials. The seminar title is “Advanced Polymer-Derived (Ultra)-High-Temperature Resistant Ceramic Nanocomposites for Energy Conversion and Storage”. For participation in this seminar, please send his/her information (name, affiliation, e-mail address) to the ERATO-Office (erato_seminar@list.waseda.jp). The online link will be provided before the seminar. Venue: Webinar, Zoom Organized by the JST-ERATO Yamauchi Materials Space-Tectonics Project Co-organized by School of Advanced Science and Engineering, Waseda University, Waseda University Kagami Memorial Research Institute for Materials Science and Technology Joint Research Center for Environmentally Conscious Technologies in Materials Science, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS)