Flagstaff, Ariz. – Lowell Observatory and the University of Arizona’s College of Optical Sciences (OSC) have finalized a $3 million, three-year contract to complete the Discovery Channel Telescope ...

WASHINGTON, D.C., September 17, 2019 -- In a kaleidoscope, mirrors are placed at angles to create a visual illusion of multiple, symmetric images from one original object. The number of symmetric axes ...

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Optical illusions often go viral for how easily they trick our brains and eyes. But a recent post on Reddit has sparked a major debate, with users discussing whether the image is an optical illusion ...