What is aerogel? This "magic" material could heal your bones in mere days
Has Madam Pomfrey's Skele-Gro finally made its way to the muggle world? Regrowing bones is no easy task, but the world’s lightest solid might make it …
Has Madam Pomfrey's Skele-Gro finally made its way to the muggle world? Regrowing bones is no easy task, but the world’s lightest solid might make it …