Optics

Quantum Stealth Invisibility Cloak

Quantum Stealth Invisibility Cloak

Canadian camouflage experts Hyperstealth Biotechnology has recently applied for patents on their technology which can bend light around an object to make it vanish from sight when placed in its sweet spot. The paper-thin screen could be used to hide military targets from ground-level threats. More on Vimeo.

The World in UV

The World in UV

Veritasium filmed his latest video to show ultraviolet light so that we could see how objects would look like if we could see UV light. Sunscreen becomes dark, as do many light objects. He goes on to explain why this is the case and how it can be useful.

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Schlieren Imaging in Color

Schlieren Imaging in Color

Schlieren imaging is a method of visualization which plays with light refraction to capture images of normally invisible fluid patterns like air movement. Here, Veritasium walks us through a variant which uses colored filters to produce some astounding images.

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