Posts claiming a celestial "smiley face” will light up the night sky over Christmas aren't true. But the Christmas Tree ...

If there’s been a defining trend in watches over this decade, it’s this: Round is out and shaped is in. With watches like the distorted Cartier Crash taking up collector mindshare, microbrands swooped ...

Most multitools are rectangular, but why should that one shape get to have all the fun? The Ti-Scout packs eight tools into a unique triangular form factor, which spreads the functionality across two ...

The film explores different geometric shapes, focusing on cylinders, rectangular prisms, and pyramids. It describes the properties of each shape, such as the curved surface of a cylinder, the ...

Dove prisms may invert, reverse, or rotate an image based on which face the light is incident on, so they are also called image rotation or reversion prisms. Dove prisms can be thought of as ...

Prism glasses bend and redirect light before it meets the eye. They may help improve double vision for people with an eye misalignment or condition. If an eye doctor suspects someone may benefit from ...

Grace is a Guides Staff Writer from New Zealand with a love for fiction and storytelling. Grace has been playing games since childhood and enjoys a range of different genres and titles. From pick your ...

A kaleidoscope is a fascinating optical instrument that creates beautiful symmetrical patterns from tiny colored objects and mirrors. Making your own kaleidoscope can be an entertaining, educational, ...