Have you ever observed how a pencil appears bent or split when partially submerged in water? That is caused by the refraction of light and is a perfect example of a literal illusion. Now if you ask, ...

This post contains major spoilers for Stranger Things 5, Volume 2, and the truth about the Upside Down. If you don’t want to be cursed (with knowledge!), stop now. Instead, head to our spoiler-free ...

Nine years later, fans are finally getting answers to long-awaited questions regarding the Stranger Things universe — including what the Upside Down actually is. The revelatory moment arrives during ...

Forbes contributors publish independent expert analyses and insights. Monica is an entertainment reporter covering TV, film, and music. Warning: Spoilers ahead for Stranger Things Season 5, Volume 2.