WASHINGTON — In movies and comic books, Superman could see through concrete walls, but an exhibit at the National Building Museum shows mere mortals can do it too.Called "Liquid Stone," the show ...

WASHINGTON -- It used to be only Superman who could see through concrete walls, but an exhibit at the National Building Museum shows that mere mortals can do it, too. Called "Liquid Stone," the show ...

Called “Liquid Stone,” the show features variations of translucent concrete, a newfangled version of the old construction standby that offers a combination of aesthetics and practicality. One display ...

German firm Heidelberg Cement has developed translucent cement blocks. Manufactured by Luccon, a subsidiary of Heidelberg Cement, the new cement block allows light to pass through it. Speaking to ...

WASHINGTON — It used to be only Superman who could see through concrete walls, but an exhibition at the National Building Museum shows that mere mortals can do it too. Called “Liquid Stone,” the show ...

WASHINGTON - It used to be only Superman who could see through concrete walls, but an exhibit at the National Building Museum shows mere mortals can do it too. Called “Liquid Stone,” the show features ...

A new "translucent concrete" is said to offer users greater design flexibility. When optics.org wrote about a new light-transmitting concrete called LitraCon three years ago, we had no idea that the ...

It was once thought that only Superman could see through concrete walls, but an exhibit at the National Building Museum in Washington, D.C., shows mere mortals can do it, too. Called "Liquid Stone," ...