Scientists announce breakthrough in hypersonic heat shield

https://techxplore.com/news/2024-01-scientists-breakthrough-hypersonic-shield.html

"9PHEB—9-cation porous high-entropy diboride... ceramic, thermal stability, compressive strength, multi-scale structure, ultrafast high-temperature synthesis fabrication enhancing mechanical load-bearing and high thermal insulation, high melting point, corrosion resistant, non-combustible, lightweight, porous, low thermal transfer...  high-quality interfaces, strong bonding without defects or amorphous phases... promotes rapid force transfer along building block and to others through connections upon loading"

Related: Hong Kong researcher recycles textile waste for 'building clothing' as thermal insulation
https://techxplore.com/news/2024-02-hong-kong-recycles-textile-thermal.html