Thermal superinsulation materials with low thermal conductivities are essential for protection under extreme conditions. These materials are particularly required in fields including aerospace, mechanical, and thermal power engineering, which need exceptional insulation and reliability. Inorganic aerogels have exhibited many superior characteristics such as ultralight weight, high deformability, excellent fire/corrosion resistance and low thermal conductivity. However, inorganic aerogels are still plagued by a tradeoff between their mechanical and thermal properties, presenting a key roadblock. Now, researchers present a chemically bonded multi-nanolayer design and synthesis of a graphene/amorphous boron nitride aerogel to simultaneously enhance the mechanical and thermal properties.