When it comes to materials we think of them as static dumb things but that’s changing.


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Stranger Things fans will be familiar with this scene: Eleven, a girl with telekinetic powers, stares intently at a Coke can. Without physically touching the can, she completely crushes it using her mind alone. How cool is that?! And how would you like that super power? Well, soon you might be able to have that power, as well as the ability to communicate telepathically, thanks to two new breakthroughs in metamaterials design.


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Changing objects with the mind has long been a trope in science fiction. Now, thanks to metasurfaces, which are 2D metamaterials, two studies just showed that it’s possible to create materials that are controlled with our minds hence the term Mind Manipulated Materials (M3).

Metamaterials are artificial composites with bizarre properties that let them turn soft or hard on command, morph, hide tanks behind literal invisibility cloaks, and much more, and increasingly they’re digital which in itself is weird enough to sound like sci-fi, and exceedingly odd but cool.

Often arranged in tandem, they can interact with electromagnetic waves, including visible light, in ways that are impossible for natural materials. This gives them a superpower: they can readily adapt their properties, for example, bending light in different ways, rather than relying on the properties of the materials they’re made of.


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Why care? Our brains generate electromagnetic waves as they process information. Depending on the brain’s state, for example, if it’s “relaxed” versus “concentrating,” different frequencies of brain waves take over. So why not use the brain as a source to trigger changes in metamaterials?

In the first study, published in eLight, the team used a brainwave extraction module that allowed volunteers to control a metasurface with their minds alone. The whole system is wireless and relies on Bluetooth. They captured brainwaves from the volunteer as she relaxed or concentrated, and through a controller, changed how the linked metasurface scattered light. Not as dramatic as bending a Coke can, sure, but a futuristic demonstration of using the mind to control physical material. A second study took the idea further.

Different metasurfaces can “talk” to each other based on electromagnetic properties. Here, the team hooked up two people to metasurfaces to text with their minds. One volunteer was the transmitter, the other the receiver. By concentrating, the transmitter’s brain waves changed the metasurface’s properties to encode different binary messages. Upon decoding, the receiver got the text, and all without lifting a single finger – hence telepathic communication was achieved.


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For now, the futuristic tech is still in its infancy but scientists imagine they’ll one day be able to use metamaterials for a myriad of purposes such as monitoring the attention status of a driver, for example, or incorporating them into Non-Invasive Brain Machine Interfaces (BMI).

“Combined with intelligent algorithms such as machine learning, the presented two works may further open up a new direction to advanced bio-intelligent metasurface systems,” said Dr. Xiangang Luo at the Institute of Optics and Electronics, Chinese Academy of Sciences, who was not involved in either of the studies.

Metasurfaces are like a fever dream. Normally we expect our materials to behave consistently: glass bottles shatter under pressure; wood cracks; cotton is soft. Metamaterials change this paradigm completely. Often made up of an amalgamation of materials – piezoelectric materials are a favourite – they readily change their structural and light-bending properties under the effect of electromagnetic fields.


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This has led to preliminary invisibility cloaks, dynamic camouflaging, superlenses, and 3D printed “aware” nanobots that could one day roam your body to intelligently deliver drugs when needed.

Metasurfaces are metamaterials’ 2D cousin. Here, the repeating structures in metamaterials weave into a sheet-like structure, maintaining their ability to control “nearly all the characteristics of electromagnetic waves,” said Dr. Shaobo Qu at Air Force Engineering University in China, who led the telekinesis trial.

Programmable Metasurfaces (PMs) are a step up, in that their functions can be controlled in a predictable manner by outside influences to switch operating modes – like a bathroom “smart” mirror with several light settings depending on your mood.


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Normally, electromagnetic waves come from a generator. But our brains burst with different frequencies of these waves, which collectively represent electrical signals across large regions. Beta waves, for example, cycle roughly 15 to 40 times a second, and are associated with an engaged mind. Theta waves, in contrast, correlate with daydreaming—a sort of mental relaxation. Scientists have found that it is possible to control your brain waves and actively shift them from one state to another through neurofeedback.

Brain waves can be readily picked up by a cap of embedded electrodes. This led the team to wonder: can we use these signals to control metasurfaces?

In one study, Qu proposed a simple design using a brainwave extraction module. It’s got three parts: the sensor, controller, and actuator. The sensor collects brainwaves through electrodes placed on the scalp. Here, the team used a commercially available module, ThinkGear AMan affordable chip popular with the DIY EEG brainwave-hacking community.


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Recorded data is then transmitted to the controller through Bluetooth. The controller is also made from a low-cost component, with Arduino at its heart. Brain wave signals are converted into a measure for attention, and fed into the actuator. Depending on the person’s level of attention, the actuator bins the data into four groups and outputs different voltages.

“The four threshold intervals correspond to distracted, neutral, concentrated, and extremely concentrated attention intensity, respectively,” the team explained.

The high or low voltage corresponds to a 1 or 0 coding sequence. These sequences then map to different material properties for the metasurface, which in turn controls how it scatters light.

The end result? In a proof of concept, a volunteer sat in an anechoic chamber – a room designed to block out surrounding sound or electromagnetic waves. With dry electrodes on her head, she closed her eyes as she cycled through different concentration states. By measuring the light-scattering properties of the metasurface, the team found a strong correspondence between her attention intensity and the material properties.


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The study doesn’t show that it’s possible to physically move materials with your mind. But it does show that it’s possible to remotely control – and crush – a material based on thought alone. For now, the technology is mostly a cool proof of evidence that paves the road for mind-controlled materials for health monitoring or smart sensors. A major roadblock is how to deal with outside electromagnetic noise, which could occlude neural control signals.

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A separate study used metasurfaces as a telephone of sorts to help two people text simple messages, all without lifting a finger.

Direct brain-to-brain communication isn’t new. Previous studies using non-invasive setups had participants playing 20 questions and playing Tetris with their brain waves. Another study built a BrainNet for three volunteers, allowing them to play a Tetris-like game using brainwaves alone. The conduit for those mindmelds relied on cables and the internet, and one new study asked if metasurfaces could do the same.


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Led by Dr. Tie Jun Cui at the Institute of Electromagnetic Space, Southeast University in China, the study linked a well-known brainwave signal, P300, to the properties of a metasurface. Their setup, Electromagnetic Brain-Computer-Metasurface (EBCM), used brainwaves to control a particular type of metasurface known as an information metasurface, which can code 0s and 1s like an electronic circuit board.

The experiment had two volunteers: a transmitter and a receiver. The transmitter had his brain waves monitored with EEG, with a specific focus on the P300 signal. The signals were then decoded into binary code, which was then used to control the transmitter’s metasurface properties. These changes wirelessly changed the receiver’s metasurface, which was then decoded and translated back into text information for the receiver to read.

The setup successfully transmitted four text sequences: “hello world,” “Hi, Sue,” “Hi, Scut” and “BCI metasurface.” It’s a slow process, averaging roughly five seconds for each character, but could be improved with some “quick-spelling paradigms,” the team said.


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We are still far from tech-based telekinesis and telepathy. But those superpowers may not be as far-fetched as once thought. For now, the teams are eager to adopt their setups for bettering health.

“Our work may further open up a new direction to explore the deep integration of metasurface, human brain intelligence, and artificial intelligence, so as to build up new generations of bio-intelligent metasurface systems,” said Cui.

About author

Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, Viacom, and WIRED, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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