WATCH: Israeli technology turns glass black with touch of a button October 1, 2017 Tweet WhatsApp Email https://worldisraelnews.com/watch-israel-develops-adjustable-privacy-glass/ Email Print Israeli company Shviro Holon has developed a coating material which turns glass opaque and then back to transparent with the touch of a button. Israel innovationIsraeli technologyShviro Holontransparent glassYaif Shviro