This is the least dense gold nugget in the entire world. It can be held up with a feather. And it’s supported by a space-age material often dubbed “frozen smoke.” Scientists at the Swiss Federal ...

Journal of Bioresources and Bioproducts reports a sodium-alginate aerogel doped with 30 % phosphorylated chitosan that records LOI 33.7 %, PHRR 44 % drop and 0.035 W m⁻¹ K⁻¹ conductivity, promising ...

‘Aerogel’ is a broad term used to talk about an extraordinary group of materials that have been used since the 1960s in space travel, but are now finding uses across a whole range of industries.