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‘Fool’s Gold’ Actually Contains a Newly Discovered Type of Real Gold, Scientists Find

The mineral pyrite was historically nicknamed fool’s gold because of its deceptive resemblance to the precious metal.

The term was often used during the California gold rush in the 1840s because inexperienced prospectors would claim discoveries of gold, but in reality it would be pyrite, composed of worthless iron disulfide (FeS₂).

Ironically, pyrite crystals can contain small amounts of real gold, although it is notoriously hard to extract. Gold hiding within pyrite is sometimes referred to as “invisible gold”, because it is not observable with standard microscopes, but instead requires sophisticated scientific instruments.

Here’s What A.I. Thinks Will Be The Next Big Thing in Tech

The “technology intelligence engine” uses A.I. to sift through hundreds of millions of documents online, then uses all that information to spot trends.


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Tarraf was fed up with incorrect predictions. He wanted a more data-driven approach to forecasting that could help investors, governments, pundits, and anyone else to get a more accurate picture of the shape of tech-yet-to-come. Not only could this potentially help make money for his firm, but it could also, he suggested, illuminate some of the blind spots people have which may lead to bias.

Tarraf’s technology intelligence engine uses natural language processing (NLP) to sift through hundreds of millions of documents — ranging from academic papers and research grants to startup funding details, social media posts, and news stories — in dozens of different languages. The futurist and science fiction writer William Gibson famously opined that the future is already here, it’s just not evenly distributed. In other words, tomorrow’s technology has already been invented, but right now it’s hidden away in research labs, patent applications, and myriad other silos around the world. The technology intelligence engine seeks to unearth and aggregate them.

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