To move around the car lot, users must stare at bright circles on the ground for a few seconds so that they travel further down the aisle to the next circle. (fortune.com)
10 Perhaps the earliest UFO sighting occurred in 1450 B.C., when Egyptians saw bright circles of light in the sky. (discovermagazine.com)
Mao observed that the iron melted into discrete spheres, visible here as bright circles in the darker silicate matrix. (discovermagazine.com)