In a preprint paper, scientists concluded that the Step Pyramid of Djoser in Saqqara, Egypt—believed to be the oldest of the seven monumental pyramids and potentially constructed about 4,500 years ago ...

Silicides could advance quantum hardware, but phase purity is difficult; a new study finds hafnium oxide substrates help stabilize the superconducting phase. (Nanowerk News) Silicides — alloys of ...