During a fantastic yet perplexing occurrence, European people observed a peculiar blue spiral while it floated through their skies. People across the world developed intense interest and wondered ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. This image is seen as a Black-and-White Checkered Spiral Pattern Optical ...

Was the cosmic whirlpool a spiral galaxy, a UFO, or something much more down to Earth? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Is it a ...

Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surface of the semiconductor by a ...