Mind Matters Natural and Artificial Intelligence News and Analysis

TagInvisibility (and optics)

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transparent invisible person on the city street. ai generated

Invisibility Isn’t Science Fiction; It’s Interesting Engineering

Things are visible only when light strikes them but light can sometimes be manipulated so as not to strike them, with remarkable results.

Invisibility is one of those interesting concepts that started out as imagination: What if I were invisible? Or— in the hands of a storyteller — what if my character were invisible? Tolkien famously made it a power granted by the Ring in The Lord of the Rings. The concept is used in science fiction too, for example, in the form of the cloaking device: However, as science fiction writer Douglas Adams (1952–2001) noted satirically in Life, the Universe, and Everything, in everyday life, “The Somebody Else’s Problem field is much simpler and more effective, and what’s more can be run for over a hundred years on a single torch battery. This is because it relies on people’s natural disposition not Read More ›

surreal-image-of-a-transparent-mirror-concept-of-door-to-freedom-stockpack-adobe-stock
surreal image of a transparent mirror; concept of door to freedom

Invisibility Is No Longer Science Fiction (or Magic). It’s Here.

A new technique, the “invisibility shield,” which offers the user near invisibility, is reaching the marketing stage

Have you ever wanted to be invisible just to get some privacy? Maybe when using a bank machine or sunbathing in the backyard? Experimentation over the last few years has come up with an “invisibility shield” that offers near invisibility without blocking the light. A British startup, Invisibility Shield Co., is raising seed money for a commercial venture that offers to ship the ones already manufactured to backers. A scam? It seems not: It wouldn’t likely shield anyone from the police or bill collectors but if all you want is privacy with sunlight, it’s certainly an option: The science behind the invention isn’t perfect. The shield can’t perfectly replicate the scene behind the subject, but rather recreates it as a Read More ›