10/10 invisibility cloak usage, no notes | Harry Potter

An invisibility cloak that can hide almost anything 🧐 🎥 Hyperstealth Corp | Interesting Engineering

This is a real-life invisibility cloak made using lenses. It uses 4 lenses to control light in such a way that it renders an object invisible. When the light enters the first lens, it flips the image upside down. The second lens sends the light straight into the 3rd lens. The 3rd lens focuses the light into a point about 3 inches past the lens. Since the light is focused into a point, any object placed around that point cannot be seen when looking through the lenses. The light is essentially ben