Explaining Past on Instagram: "During the Victorian era, makers created mirrors using a process called silvering. They spread a mix of silver nitrate, ammonia, and sugar onto the back of a glass sheet. The chemicals reacted and turned silver ions into solid silver. This formed a thin reflective layer on the glass. After drying and polishing, the surface became bright and clear. This method replaced older mercury methods and gave safer results with better reflection quality."

Explore l Learn l Facts on Instagram: "two-way mirrors used in hotels and special observation rooms are installed with careful control of lighting and positioning. they work because one side is kept brightly lit while the other side remains dark, making the glass act like a mirror on one side and a window on the other. these mirrors are typically mounted into walls just like normal mirrors, with sealed frames and controlled lighting to maintain the effect. without the correct light balance, a tw

Refraction of Light