Inspiring: Tech for Good News Stories
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Sirish Subash is no ordinary ninth-grade student. The 14-year-old from Gwinnett School of Mathematics, Science, and Technology in Snellville, Georgia, was named America’s top young scientist after winning the 2024 3M Young Scientist Challenge. The reason? Subash’s creation of an AI handheld pesticide detector named “Pestiscand.” “It works on a method called spectrophotometry. Now what this means is that it uses different ways that light interacts with different chemicals to look for different chemicals on the produce,” Subash [said]. “Each chemical reflects different parts or wavelengths of light, and that creates a spectral signature, which is basically a catalog of what wavelengths are reflected back. So, “Pestiscand” can look for those wavelengths that are reflected by side residues on the produce.” While the product is not on the market for the broader public at this time, Subash aims to dedicate his time to ensuring it has mass availability in the near future. “I want to continue developing projects like “Pestiscand” and eventually get them out to the world, to the market. That’s one of my goals for “Pestiscand”, to get it out to everyone,” Subash added. In his downtime, Subash enjoys reading both fiction and non-fiction and making origami. His $25,000 prizefund will go toward his college education
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Venture into New Mexico's beautifully stark high desert and you may well stumble across some fantastical and unconventional homes – some palatial and sculpturally rounded; others with an ancient temple-like form – that look like they're from a Star Wars movie. Set in and around the town of Taos where they were invented almost 40 years ago, these are Earthships: net-zero, sustainably designed homes built mostly from both natural and waste materials, such as old tyres, empty wine bottles and wood and mud. Earthship construction requires less in the way of toxic or carbon-emitting construction materials like concrete and plastics, and doesn't require precious woodland and other natural resources. An earth berm (a purposefully built bank of soil) surrounds the Earthship on three sides, providing insulating mass that controls temperature. Each has a greenhouse ... either on the north or south side depending on location. Most Earthships are purely solar powered; some also have wind turbines to supplement or a wood-burning stove as back up. Taos has cold snowy winters and often dry, hot summers, but in an Earthship, the internal temperature remains close to 72F (21C) year-round, regardless of outside weather conditions. What does it feel like to stay inside an Earthship? "It feels like you're inside the womb," says Earthship construction manager Deborah Binder. "You feel constantly hugged and snuggled. The temperature is always comfortable."
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REMspace, a California-based neurotech startup, claims to have achieved the first two-way communication between individuals during lucid dreaming. Using specially designed equipment, participants reportedly exchanged a message while asleep—an extraordinary claim that has yet to be peer-reviewed. This milestone, if validated, could mark a turning point in dream research, with REMspace suggesting applications from mental health therapies to skill training. Lucid dreaming ... is the state of being aware that you are dreaming while asleep. While around 50 percent of people report experiencing at least one lucid dream, the idea of communication within such a state is still in its early stages of research. The REMspace team claims they achieved communication between two participants during a lucid dream on September 24, 2024. Participants received random words generated by a server through earbuds while they were dreaming. One participant reportedly repeated the word in their dream, and the second confirmed it after waking. Looking ahead, they claim to be working on enabling more complex forms of dream communication, including full conversations and interactions with external servers. [REMspace founder Michael] Raduga predicts that within a few years, “dream communication will become common.” Until then, the scientific community awaits peer-reviewed evidence to substantiate these intriguing, but currently unverified claims.
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There is a massive battery right under your feet. Unlike a flammable lithium ion battery, though, this one is perfectly stable, free to use, and ripe for sustainable exploitation: the Earth itself. While temperatures above ground fluctuate throughout the year, the ground stays a stable temperature, meaning that it is humming with geothermal energy. “Every building sits on a thermal asset,” said Cameron Best, director of business development at Brightcore Energy in New York, which deploys geothermal systems. “I really don’t think there’s any more efficient or better way to heat and cool our homes.” A couple of months ago Eversource Energy commissioned the US’s first networked geothermal neighbourhood operated by a utility, in Framingham, Massachusetts. Pipes run down boreholes 600-700ft (about 180-215 metres) deep, where the temperature of the rock is consistently 55F (13C). A mixture of water and propylene glycol ... pumps through the piping, absorbing that geothermal energy. Heat pumps use the liquid to either heat or cool a space. If deployed across the country, these geothermal systems could go a long way in helping decarbonise buildings, which are responsible for about a third of total greenhouse gas emissions in the US. Once a system is in place, buildings can draw heat from water pumped from below their foundations, instead of burning natural gas. The networks ... can be set up almost anywhere.
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In December 2016, William Akley sat down in his sprawling headquarters for the biggest gas utility in Massachusetts, Eversource. Across the table were three women from a group that had become increasingly troublesome to his company. The group was Mothers Out Front, and it had been doing things like dressing up in orange costumes depicting gas flames and putting big signs where the company’s natural gas lines leaked into the air. As the meeting started, Zeyneb Magavi and each of the other mothers calmly explained their passion to Mr. Akley: “I have three kids,” Ms. Magavi said. “I’m worried about climate change. And I’m worried about their future.” It was the start of an unlikely partnership that eventually became an audacious idea: to use heat from underground – instead of natural gas – to both cool and heat homes and buildings. The test of that idea is now blinking on in Framingham, Massachusetts. Eversource workers have buried a mile-long loop of plastic pipe underground ... to collect geothermal energy. They are now connecting the loop to heat and cool 36 buildings – homes, a fire station, and businesses. It is the first U.S. trial of this innovative technology being provided to an entire neighborhood by a major utility. It’s the kind of scaled-up model that could bring a wholesale change to the nation’s infrastructure, replacing natural gas just as natural gas supplanted coal and oil in much of the United States.
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A wheeled bot rolls across the floor. A soft-bodied robotic star bends its five legs, moving with an awkward shuffle. Powered by conventional electricity via plug or battery, these simple robotic creations would be unremarkable, but what sets these two robots apart is that they are controlled by a living entity: a king oyster mushroom. By growing the mushroom’s mycelium, or rootlike threads, into the robot’s hardware, a team led by Cornell University researchers has engineered two types of robots that sense and respond to the environment by harnessing electrical signals made by the fungus and its sensitivity to light. The robots are the latest accomplishment of scientists in a field known as biohybrid robotics who seek to combine biological, living materials such as plant and animal cells or insects with synthetic components to make partly living and partly engineered entities. [Lead author Anand] Mishra engineered an electrical interface that accurately reads the mycelia’s raw electrical activity, then processes and converts it into digital information that can activate the robot’s actuators or moving parts. The robots were able to walk and roll as a response to the electrical spikes generated by the mycelia. [Professor of unconventional computing at the University of the West of England Andrew Adamatzky's] lab has produced more than 30 sensing and computing devices using live fungi, including growing a self-healing skin for robots that can react to light and touch. “When an adequate drivetrain (transmission system) is provided, the robot can, for example, monitor the health of ecological systems. The fungal controller would react to changes, such as air pollution, and guide the robot accordingly,” Adamatzky said.
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Biomimicry is grounded in the concept that nature, with its 3.8 billion years of evolution, has already solved many of the problems we grapple with today. Animals, plants, and microbes are the consummate engineers. Rather than designing new technology from scratch, scientists and engineers often look to nature for inspiration. In its approach, biomimicry involves three essential aspects: Emulating natural forms, mimicking natural processes, and imitating ecosystems. Nature operates under specific principles: it runs on sunlight, uses only the energy it needs, fits form to function, recycles everything, rewards cooperation, banks on diversity, demands local expertise, curbs excesses from within, and taps the power of limits. By aligning our technologies and practices with these principles, we can create not only innovative but also sustainable solutions to our challenges. Architects and engineers are designing buildings that mimic termite mounds, which maintain constant temperature despite external fluctuations. This biomimetic approach reduces energy consumption for heating and cooling. The self-cleaning properties of lotus leaves have inspired a whole range of products. The microscopic structure of a lotus leaf repels water and dirt particles. Today, we have self-cleaning paints and fabrics based on this principle. The bumps on the fins of humpback whales, called tubercles, increase their efficiency in water. Applying this concept to the design of wind turbines has led to blades that produce power more efficiently. Corals can heal themselves by producing an organic mineral in response to physical damage. Scientists have mimicked this process to create a type of concrete that can "heal" its own cracks.
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Each year, US cities lose an estimated 36 million trees to development, disease and old age, many of which ultimately end up in landfills. Losing these urban trees — known to help cool their neighborhoods, lower carbon emissions and improve mental health, among other benefits — costs an estimated $96 million annually. In Philadelphia, a partnership is giving the City of Brotherly Love’s fallen trees new life. Philadelphia Parks & Rec joined forces with Cambium Carbon, a Washington, D.C.-based startup that repurposes waste wood, and PowerCorpsPHL, a local nonprofit that creates job opportunities for unemployed and under-employed 18- to 30-year-olds, to launch the Reforestation Hub. Rather than sending trees straight to the landfill or the city’s organic recycling center to simply become mulch or wood chips, the Reforestation Hub (which is co-located in the city’s organic recycling center) will salvage as many trees as it can. As many as possible will be turned into Cambium’s Carbon Smart Wood, which stores 5.23 pounds of carbon in each board foot. Fifteen percent of sales that come out of the hub will be donated to Tree Philly at the end of each year to support tree planting and maintenance across the city. While the hub formally launched only recently, in the year and a half that it’s taken to get the infrastructure in place, it has already diverted 542 logs to create 28,000 board feet of Carbon Smart Wood.
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What if computer games could facilitate a tangible, meaningful connection with nature? Now they can thanks to a new botany project that empowers gamers to cultivate plants featured in their favourite video game. The idea was that of Hannah Young and Aleks Atanasovski, two gamers who wanted to fuse their love of nature with their passion for gaming. The result is Seed Saga, a botanical pilot that allows players of Guild Wars – a popular roleplaying game renowned for its spectacular flora – to apply for seed packs so they can grow plants that feature in the game. The pair pitched the idea to the developer behind Guild Wars, Arena Net, which was “really up for it”. So much so, that the firm provided renders from the game for the seed packets and gave the project a push on its social channels. Due to the limited availability of seeds ... gamers must submit an application explaining why they want them. The responses, says Young, have been heartening. Said one applicant: “[Guild Wars] saved my life during a period of deep depression. It would be an honour to grow [crimson sunflowers] in my yard to pay homage to the game and support the surrounding insects that could benefit from these flowers.” The first seed packs went out in April. The idea now is to partner with other players in the industry and scale the concept to cultivate a new generation of botanists. Doing so could boost mental health: research shows that interacting with plants counteracts stress brought on by computers.
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Entrepreneurs in Jordan have created a sophisticated machine that pulls water from the desert air at a rate that could cure the country’s water woes. 1,000 units of their flagship device have already been pre-ordered by the Jordanian government, and the success of the invention has allowed the innovators to attract dozens of promising scientists who can hopefully expand on their success and bring water resources up to speed in the relatively-stable Near Eastern nation. Aquaporo [is] a relatively straightforward, air conditioning-sized machine that can harvest 35 liters of water every day in a desert climate of 20% humidity. Aquaporo CEO Kyle Cordova and engineering director Husam Almassad got their start at Jordan’s Royal Scientific Society. Their invention looked a bit like a chest freezer. Inside, rows of nanomaterials formed into tubes and other shapes act like a sieve that filters water out of the air. The physics behind it are much the same as those found in this Classical Indian architectural feature and takes advantage of air’s tendency to speed up as it moves through a narrow passageway; called the Venturi Effect. It leaves behind the heavier water vapor, which condenses, drops into a collection apparatus, and is fed then into a reservoir. Research on the efficacy of Aquaporo’s invention shows it can achieve levels of water purity greater than Nestle brand bottled water, and collects it from the air at double the rate of existing moisture capture technology.
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When a Manhattan parking garage collapsed in April this year, rescuers were reluctant to stay in the damaged building, fearing further danger. So they used a combination of flying drones and a doglike walking robot to inspect the damage, look for survivors and make sure the site was safe for human rescuers to return. Soon, rescuers may be able to call on a much more sophisticated robotic search-and-rescue response. Researchers are developing teams of flying, walking and rolling robots that can cooperate to explore areas that no one robot could navigate on its own. And they are giving robots the ability to communicate with one another and make many of their own decisions independent of their human controller. Such teams of robots could be useful in other challenging environments like caves or mines where it can be difficult for rescuers to find and reach survivors. In cities, collapsed buildings and underground sites such as subways or utility tunnels often have hazardous areas where human rescuers can’t be sure of the dangers. As robots become better, teams of them may one day be able to go into a hazardous disaster site, locate survivors and report back to their human operators with a minimum of supervision. “More work ... needs to be done,” [roboticist Viktor] Orekhov says. “But at the same time, we’ve seen the ability of the teams advanced so rapidly that even now, with their current capabilities, they’re able to make a significant difference in real-life environments.”
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When you imagine a 3D-printed home, you probably picture a boxy concrete structure. As 3D printing’s popularity has grown in the construction industry — thanks to its efficiency when it comes to time, energy and cost — carbon-intensive concrete has become the go-to building material. But a project in Maine has set its sights on something different: a neighborhood of 600-square-foot, 3D-printed, bio-based houses crafted from materials like wood fibers and bioresins. The aim: a complex of 100-percent recyclable buildings that will provide homes to those experiencing houselessness. In late 2022, an initiative between the University of Maine and local nonprofit Penquis unveiled its prototype — BioHome3D, the first 100-percent recyclable house. Now, the pioneering project is working toward completing its first livable housing complex. It will be fully bio-based, meaning all materials will be derived from living organisms such as plants and other renewable agricultural, marine and forestry materials. As the materials are all 100-percent recyclable, so become the buildings. The materials are also all renewable. And thanks to its natural composition, the home acts as a carbon sink, sequestering 46 tons of carbon dioxide per 600-square-foot unit. The materials for this project will mainly come from wood left over by local mills. “The wood fiber material that’s used in the mix is essentially waste wood here in Maine,” says Jason Bird, director of housing development for Penquis.
Note: Don't miss pictures of beautiful homes built by this process at the link above. Explore more positive stories like this in our comprehensive inspiring news articles archive focused on solutions and bridging divides.
More than 300 electric cooperatives across the United States are building their own Internet with high-speed fiber networks. These locally-owned networks are poised to do what federal and state governments and the marketplace have not accomplished. First, they are protecting open Internet access from the Internet service providers (ISPs) that stand to pocket the profits from the rollbacks of net neutrality the Trump administration announced. Second, they are making affordable and fast Internet accessible to anyone. In Detroit, for example, 40 percent of the population has no access of any kind to the Internet. Detroit residents started a grassroots movement called the Equitable Internet Initiative, through which locals have begun to build their own high-speed Internet. The initiative started by enlisting digital stewards—locals who were interested in working for the nonprofit coalition. They aim to build shared tools, like a forum and a secured emergency communication network—and to educate their communities on digital literacy. Just 30 of the more than 300 tribal reservations in the United States have Internet access. Seventeen tribal reservation communities in San Diego County have secured wireless Internet access under the Tribal Digital Village initiative. Another local effort, Co-Mo Electric Cooperative ... has organized to crowdfund the necessary resources to establish its own network. The biggest dilemma for cities is the erosion of the capacity for communities to solve their own problems. As a result, local Internet service providers are bringing the power back to their people.
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Social media platforms have become an integral part of our lives, but they also pose significant challenges for our society. From spreading misinformation and hate speech to undermining democracy and privacy, social media can have negative impacts on the public good. How can we harness the power of social media for positive purposes, such as civic engagement, social justice, and education? One possible solution is to create a new kind of social media platform that is designed to serve the public interest, not the profit motive. This platform would be owned and governed by its users, who would have a say in how it operates and what content it promotes. Such a platform may sound utopian, but it is not impossible. In fact, there are already some examples of social media platforms that are trying to achieve these goals, such as Mastodon, Diaspora, and Aether. These platforms are based on the principles of decentralization, federation, and peer-to-peer communication, which allow users to have more control and autonomy over their online interactions. Civic Works ... is an emerging social networking platform that provides a more democratic, inclusive, and responsible online space for everyone. It is built on the idea that social media can be a force for good when the objective is not subverted by advertisers, marketers, or shadowy political operatives. It is a platform that inspires people to become active citizens, through civic, political, economic, and/or educational actions.
Note: The social media platform PeakD is censorship-proof and is governed by network operators who are elected by the community. Explore more positive stories like this in our comprehensive inspiring news articles archive focused on solutions and bridging divides.
The artist, writer and technologist James Bridle begins "Ways of Being" with an uncanny discovery: a line of stakes tagged with unfathomable letters and numbers in thick marker pen. The region of [Greece] is rich in oil, we learn, and the company that won the contract to extract it from the foothills of the Pindus mountains is using "cognitive technologies" to "augment ... strategic decision making." The grid of wooden stakes left by "unmarked vans, helicopters and work crews in hi-vis jackets" are the "tooth- and claw-marks of Artificial Intelligence, at the exact point where it meets the earth." "Ways of Being" sets off on a tour of the natural world, arguing that intelligence is something that "arises ... from thinking and working together," and that "everything is intelligent." We hear of elephants, chimpanzees and dolphins who resist and subvert experiments testing their sense of self. We find redwoods communicating through underground networks. In the most extraordinary result of all, in 2014 the Australian biologist Monica Gagliano showed that mimosa plants can remember a sudden fall for a month. Ever since the Industrial Revolution, science and technology have been used to analyze, conquer and control. But "Ways of Being" argues that they can equally be used to explore and augment connection and empathy. The author cites researchers studying migration patterns with military radar and astronomers turning telescopes designed for surveillance on Earth into instruments for investigating the dark energy of the cosmos.
Note: Read a thought-provoking article featuring a video interview with artist and technologist James Bridle as he explores how technology can be used to reflect the innovative and life-enhancing capacities of non-human natural systems. For more along these lines, see concise summaries of deeply revealing news articles on mysterious nature of reality from reliable major media sources.
Researchers have discovered how to use cyanobacteria—commonly called blue-green algae—to continuously power a microprocessor for a span of more than six months. The system, which uses inexpensive and largely recyclable materials, contains a type of non-toxic photosynthetic algae called Synechocystis, per a statement. The research was published in the journal Energy & Environmental Science. “We were impressed by how consistently the system worked over a long period of time—we thought it might stop after a few weeks but it just kept going,” says Paolo Bombelli, a researcher from the University of Cambridge’s Department of Biochemistry and lead author of the paper. The scientists created an enclosure out of aluminum and clear plastic and put the bacteria inside it. The device, which is about the size of a AA battery, was placed on a windowsill in Bombelli’s home during Covid-19 lockdown in 2021 and remained there from February to August. The bacteria powered an Arm Cortex M0+ processor—a microprocessor widely used in the network of appliances connected to the internet, also called the Internet of Things (IoT). The cyanobacteria produced energy even without light, perhaps because they process some of their food in the dark, which generates an electrical current. Several billion IoT devices already exist, and that number is expected to rise to one trillion by 2035. Powering all those devices would require 109,000 tons of lithium, which is three times more than what the world produced in 2017.
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The recent launch of a new mobile phone service introduced significant new privacy protections into the mobile phone system. This exciting new approach highlights the failure of the existing mobile phone infrastructure to protect privacy, and points the way forward for a wide variety of technologies. Today’s cellphones are generally a privacy disaster. Partly that’s the result of the two companies that control the operating system software on the vast majority of the world’s pocket computers. In order for your carrier to route calls and data to your phone, the network needs to constantly know which cell tower your phone is near. And when you make a call or use data, the provider can see where that traffic is going. Cell carriers track and store this accidental byproduct of the technology in order to record people’s location history and network activity for marketing purposes and, in certain circumstances, for sharing with law enforcement. The new phone service, called Pretty Good Phone Privacy (PGPP), uses encryption techniques to deliberately blind itself so that it can’t know that the user of a mobile device is you, or what data you are sending from that phone. You connect to the PGPP service for payment, and that’s all. With PGPP’s approach, the carrier simply does not have the data to turn over to anyone. It cannot be sold, leaked, or hacked, let alone offered to overreaching law enforcement agencies. Verizon, T-Mobile, AT&T, and their smaller competitors could be offering such a privacy-protecting service, but don’t want to.
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Last month, a small warehouse in the English city of Nottingham received the crucial final components for a project that leverages the power of used EV batteries to create a new kind of circular economy. Inside, city authorities have installed 40 two-way electric vehicle chargers that are connected to solar panels and a pioneering battery energy storage system, which will together power a number of on-site facilities and a fleet of 200 municipal vehicles. Each day Nottingham will send a combination of solar-generated energy — and whatever is left in the vehicles after the day’s use — from its storage devices into the national grid. What makes the project truly circular is the battery technology itself. Funded by the European Union’s Interreg North-West Europe Programme, the energy storage system, E-STOR, is made out of used EV batteries by the British company Connected Energy. After around a decade, an EV battery no longer provides sufficient performance for car journeys. However, they still can retain up to 80 percent of their original capacity, and with this great remaining power comes great reusability. “As the batteries degrade, they lose their usefulness for vehicles,” says Matthew Lumsden, chairman of Connected Energy. “But batteries can be used for so many other things, and to not do so results in waste and more mining of natural resources.” One study ... calculated that a second life battery system saved 450 tons of CO2 per MWh over its lifetime.
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Minecraft has established itself as a cultural phenomenon for many reasons: it’s creative, collaborative, and sufficiently facile as to be considered accessible to almost anybody. These benefits ... form the perfect vehicle for Reporters Without Borders’ Uncensored Library, a virtual hub housing a collection of otherwise inaccessible journalism from all over the world, with specific sections devoted to Russia, Egypt, Mexico, Saudi Arabia, and Vietnam. “In Egypt there’s no free information,” Reporters Without Borders media and public relations officer Kristin Bässe tells me. Mexico is the country where journalists are most at risk, she adds, with governmental and cartel interference often culminating in the death of those voices deemed dissident. “It’s a different form of censorship,” Bässe explains. “People don’t want to publish because they’re scared.” “In the Mexico room we built memorials to 12 Mexican journalists who have been murdered,” [said Blockworks managing director James] Delaney. Delaney tells me that the forms of censorship in Egypt are more blatant. “The articles you see in this room are actually banned,” he explains. “If you live in Egypt you’re unable to access them unless you come to our Minecraft server.” This is the case for the Russian, Vietnamese, and Saudi Arabian sections, too. “The content you find in these rooms is illegal, but we can see from the server logins that we’ve already had people from all five of these countries join and read up on this information,” he says.
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A study published in Nature in February 2020 entitled “Power generation from ambient humidity using protein nanowires” discovered an interesting way to harvest energy from the environment, creating the potential for another clean power generating system that is self-sustaining. According to the authors, “Thin-film devices made from nanometre-scale protein wires harvested from the microbe Geobacter sulfurreducens can generate continuous electric power in the ambient environment. The devices produce a sustained voltage of around 0.5 volts across a 7-micrometre-thick film, with a current density of around 17 microamperes per square centimetre. We find the driving force behind this energy generation to be a self-maintained moisture gradient that forms within the film when the film is exposed to the humidity that is naturally present in air.” The study also mentions that “connecting several devices linearly scales up the voltage and current to power electronics” and that their results “demonstrate the feasibility of a continuous energy-harvesting strategy that is less restricted by location or environmental conditions than other sustainable approaches.” One of the electrical engineers, Jun Yao, from the University of Massachusetts Amherst, stated that they are “literally making electricity out of thin air.” They are calling it the “Air-gen” and it generates clean energy 24/7, thanks to the electrically conductive protein nanowires produced by Geobacter.
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