What layers are they made up of?
glass
What is the bottom surface of the upper layer coated in?
perpendicular lines of transparent conductive material, forming a grid
What is the top surface of the bottom layer coated in?
perpendicular lines of transparent conductive material, forming a grid
What is the transparent conductive material?
Indium Tin Oxide
What does the surface behave like and what does it store?
It behaves like a capacitor and stores electrical energy
Can the screen be touched in more than one place at a time?
yes