Inside Overhead Projectors: How They Work & Exploring the Parts

Testing an old-school overhead projector for a liquid light show! This technique was all the rage in the 1960s. Some of you hippies out there might remember the groovy vibes from back in the day, haha. Normally, these shows use oil-based dyes, but I was just playing around with food coloring for the test. Tomorrow I’ll pick up the good stuff and really get it going. This is part of a larger immersive art exhibit I’m building called The Age of Nostalgia. The main installation is a giant cube made

A classic vintage projector emits a bright beam of light through its lens, capturing the timeless magic of old-fashioned film projection Stock Video Footage - Alamy