The Metaverse Could Help Us Better Understand Reality

The killer app for ambitious virtual reality could be our world

3 min read
The planet earth sitting on a mirror with another earth in the reflection on a red background.
Edmon de Haro

Certain neologisms seem to pop up, then disappear, only to return in another guise. William Gibson's award-winning 1984 science fiction classic Neuromancer popularized the word cyberspace, a meaningless portmanteau that went viral and eventually became a shorthand expression describing the totality of the online world.

We're now seeing something similar happen with the word metaverse, coined in Neal Stephenson's 1992 novel Snow Crash where it referred to the successor of our two-dimensional Internet. The word resurfaced a short time later in the product road maps of a hundred failed startups and is returning now as the plaything of Big Tech.


We're hearing that everyone will need access to the metaverse, that this virtual universe will be the place we'll all soon be working and playing. Whether anyone other than a few true believers would be willing to tolerate for more than a few minutes the sweaty, fogged-up insides of the head-mounted display needed to get there remains an open question.

Immersive virtual reality hasn't progressed much in conception or implementation from the systems prototyped three decades ago—certainly not enough to present it as the future of people's daily work environment. It's probably going to remain an awkward place to visit for a long time yet, so there must be a good reason to go.

A fundamental power of virtual reality lies in its capacity to give us insight into processes either too large or too small to be directly observable.

What, then, could such a metaverse be for? Could its purpose be so important that we'd willingly endure both the physical discomfort of wearing a head-mounted display and the often disturbingly unnatural representations of people in these 3D virtual worlds?

The metaverse has always had two faces—one looking within, to our imaginations, the other focusing on the real world. Early efforts in this realm, such as ART+COM's T_Vision, made metaverses that represent the Earth, inspiring projects such as Google Earth, which offer a richer and more complex metaverse of the real. These are prototypes for the many metaverses that are to come because they provide us with enormously useful views of the real world.

A fundamental but largely unrecognized power of virtual reality lies in its capacity to give us insight into processes either too large or too small to be directly observable. We can at a glance view something as big as our planet or as small as a cell, making things we understood only in the most abstract sense become both tangible and actionable.

These "metaversal" powers are of immense value because they allow us to observe and comprehend the nature and consequences of our activities. With such tools to help us see what we're doing—as individuals, as nations, and as a species—we gain the opportunity to learn from our actions. Without them, we're flying blind, manipulating our environment on a global scale, but without proper understanding of the consequences.

So if we technologists are going to build a metaverse, let's start with a mirror world: a high-fidelity reflection of the real world, in all of its richness, complexity, and unpredictability. Encompassing the totality of the world within such a metaverse won't be easy—it will no doubt take our best minds years of work. But along the way we will be learning because as we construct that mirror and gaze into it, our blind spots will be revealed. We can then take what we learn and immediately put it to work protecting the real environment around us. And that's reason enough to undertake a planet-scale construction project in cyberspace.

This article appears in the November 2021 print issue as "Mirror Worlds."

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Tony Fadell: The Nest Thermostat Disrupted My Life

The Nest founder tells of years in pursuit of a thermostat he actually likes

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A man holds a circular device in front of a blue wall that says nest on it.

Tony Fadell shows off the Nest thermostat in 2012.

Karsten Lemm/picture-alliance/dpa/AP

The thermostat chased me for 10 years.

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