liquid crystals

 

These Windows Can Go Opaque On Command

By G. Clay Whittaker

 /  Published June 9, 2016

 

Boogie Board: A Battery-Powered Notepad as Convenient as Pen and Paper

By Sandeep Ravindran

 /  Published February 9, 2010

 

LCD’s Debutante Party

By popsci

 /  Published January 10, 2007