Inspiring: Tech for Good News Articles
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Virtual reality can help act as a do-it-yourself therapist, helping people overcome their fear of heights without a professional at their side, British researchers reported. A half dozen virtual reality sessions over two weeks significantly reduced the fear of heights for more than two-thirds of people who tried it, the team at the University of Oxford reported. Some even ventured onto rope bridges and mountainsides. The outcome results are brilliant. They are better than I expected, [said] Daniel Freeman, the University of Oxford clinical psychologist who led the study team. The team tested 100 volunteers, 49 of whom were given six virtual reality sessions over two weeks. The rest got no treatment. On average, the volunteers had been afraid of heights for 30 years. After six weeks, those who got no treatment remained just as afraid of heights as they had always been. But 34 of the 49 volunteers who did the virtual reality found they were no longer afraid of heights. Real-life exposure to heights has verified this. Afterwards, people even found they could go to places that they wouldnt have imagined possible, such as walk up a steep mountain, go with their children on a rope bridge, or simply use an escalator in a shopping center without fear, [Freeman said]. The software can be whimsical, offering scenarios from walking across a virtual rope bridge to rescuing a cat from a limb. Freeman said the experiences are meant to strongly immerse people in a sensation of height and then encourage them to challenge their reluctance to take part.
Note: Read another inspiring article showing how virtual reality is helping patients deal with many different fears and phobias. Explore a treasure trove of concise summaries of incredibly inspiring news articles which will inspire you to make a difference.
Four teenage African girls have come up with a urine-powered generator ... which they claim generates one hour of electricity from one liter (about a quart) of urine. The pee-powered product made its debut at Maker Faire Africa in Lagos, Nigeria. Urine is put into an electrolytic cell, which separates out the hydrogen. The gas cylinder pushes hydrogen into a cylinder of liquid borax, which is used to remove the moisture from the hydrogen gas. This purified hydrogen gas is pushed into the generator. The girls will probably be famous chemists one day, in any case, but they aren't the first to propose urine (or more solid human and animal waste) as a possible alternative fuel. Last year, in one example, researchers from Ohio University came up with their own technology for extracting hydrogen from urine. Doing so, they say, requires less power than plucking it from water, as hydrogen can be separated more easily from the ammonia and urea chemical compounds present in pee. The four African teens likely are the youngest researchers yet to dabble in pee as power. Skepticism aside, can we all just agree that the foursome should be lauded for their efforts to find alternative power sources on a continent that could really use them?
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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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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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Joost Bakker believes a house can be more than a place to live: it can be a self-sustaining weapon against the climate crisis. A new Australian documentary explores his bold blueprint. Bakker – a multi-disciplinary designer, no-waste advocate and the film’s eponymous protagonist – has long been something of a provocateur. In 2020, the Dutch-born, Australian-raised designer’s two decades of high-concept sustainability projects came to a head when he hit go on the construction of Future Food System. Erected in one of the busiest areas of Melbourne, the off-grid, three-storey house and urban farm produced all of its own power and food. Even the cooking gas was generated from human and food waste. “We can have it all,” Bakker [says]. “We can have houses covered with biology, plants, ecosystems and waterfalls. It’s not necessary for us to be destroying the planet or killing each other with materials that are making us sick. The infrastructure is already there. It’s just about reimagining our suburbs and reimagining our buildings.” Shadowing Bakker throughout the project from set-up to pack-down, was film-maker Nick Batzias ... who squeezes plenty of action into the pacy 90-minute documentary. The bulk of the film focuses on the building’s green-thinking initiatives. Steam from the showers is used to grow mushrooms; the foundation-less building is anchored by self-watering garden beds filled with 35 tonnes of soil.
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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.
Note: As the article states, why do none of the truly "free" energy sources we keep hearing about never come to market? Explore a treasure trove of concise summaries of incredibly inspiring news articles which will inspire you to make a difference.
Fredy Amador is intimately familiar with the financial struggles people face in the current economy. Northern Illinois’ skyrocketing energy bills make the situation even tougher. Now, Amador has become an evangelist for something that can provide a modest measure of relief: A community solar project, built on a Superfund site too polluted for much else in the city of Waukegan where he lives, about 40 miles north of Chicago. Residents who subscribe to get energy from the solar farm are guaranteed to see savings on their energy bills, under a state program incentivizing solar in low-income areas. The 9.1-megawatt Yeoman Solar Project, which went online last month, can provide energy for about 1,000 households, as well as the Waukegan school district, which owns the land. Such brownfields are attractive locations for solar installations because of “existing electrical infrastructure, lower-cost land, and community acceptance,” noted Paul Curran, CleanCapital’s chief development officer. Incentives from the state initiative Illinois Solar for All helped make the project financially viable, even given extra costs incurred from building on a Superfund site. Solar is a good fit for sites that are too polluted for housing or other types of development. Under the terms of the Superfund remediation, residential use is prohibited at the Yeoman Creek site. The company has developed solar on brownfields and landfills in other states, including a new 822-kilowatt site in Maryland.
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Within sight of northern Germany’s windswept beaches, specialized clearance teams have been trawling the seafloor for the kind of catch that fishermen in these parts usually avoid—discarded naval mines, torpedoes, stacks of artillery shells, and heavy aerial bombs, all of which have been rusting away for nearly 80 years. For much of September and October 2024, underwater vehicles, fitted with cameras, powerful lights, and sensors, have been hunting for World War II–era explosives purposefully sunk in this region of the Baltic Sea. Tons upon tons of German munitions were hastily dumped at sea under orders from the Allied powers at the end of World War II, who sought to dispose of the Nazis’ arsenal. The clearance work last year was part of a first-of-its-kind project to explore ways to clear up this toxic legacy of war. “Conventional munitions are carcinogenic, and the chemical munitions are mutagenic, and also they disrupt enzymes and whatnot—so they are definitely affecting organisms,” says Jacek Bedowski, a leading expert on underwater munitions dumps. The next stage of the pilot project, also now underway, is building a floating munitions-disposal facility that could incinerate the aging explosives near the dump sites. That would eliminate the need to bring the ordnance above water ... and ship it overland. Longer term, the dream is to have unmanned underwater vehicles map, scan, and magnetically image the seabed to get a sense of what lies where.
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A video game is helping thousands of vulnerable young people turn their darkest moments into moments of creativity and hope that they can pass on to others. Apart of Me is designed to help children and young adults open up about their loss and trauma in a safe and supportive environment. The game, co-founded by Manchester psychologist Louis Weinstock, is now a charity and has helped 44,000 people in the UK, and 160,000 worldwide to understand and process their grief. Created in 2018, [Apart of Me] is designed for 11-18-year-olds who have been affected by a loss which is potentially impacting their mental health. Set on an island, users can play the 3D game anonymously as it introduces characters who each have a grief-related struggle they are finding hard to deal with. It is the user's task to help the characters find a way through and this is done by collecting objects, with each object informing the user about different aspects of grief, Mr Weinstock explains. The game also allows the user to ask questions they may feel scared or uncomfortable to talk about generally. "It gives young people an outlet to have those conversations that otherwise might be difficult to have," he added. Mr Weinstock said the original idea for the game came from young people themselves as "not all want to sit in a room with a stranger and talk about their feelings". He met with young people at a hospice who all expressed the idea of a game to help them with their bereavement.
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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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A Virtual Power Plant (VPP) is a network that connects homes, farms, and businesses using renewable energy sources like rooftop solar, batteries, heat pumps, and smart appliances. Unlike traditional power plants, a VPP doesn’t rely on one central facility. Instead, it creates a coordinated system where each participant contributes power and flexibility. For rural communities, VPPs offer a powerful solution to increasing energy demand and the challenges posed by severe weather. These systems allow smarter energy management, helping communities stabilize their energy use and reduce their reliance on costly fossil fuels like coal and gas. A standout example comes from Colorado’s Holy Cross Energy. Their Power+ Program offers members affordable, lease-to-own home battery storage systems. These batteries store energy during off-peak hours and release it when demand is high or during outages. This not only saves money but also improves energy security and resilience. Similar success stories are unfolding in Vermont, where Green Mountain Power operates a VPP using Tesla Powerwalls. The program saved millions by strategically using stored energy to offset peak demand. These savings are shared with customers through bill credits, creating a win-win model for utilities and participants. Virtual Power Plants show how local, cooperative solutions can drive a national energy transformation.
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What if your heating and cooling worked during power outages, and you could count on it becoming more efficient and climate-friendly over time? That's the promise of district heating and cooling or district energy, where entire communities share a heating and cooling system. That allows them to tap into many low-carbon energy sources they couldn't before, more efficiently than any individual building could. As governments look to tackle carbon emissions from buildings — the third largest source in Canada behind the oil and gas industry and transportation — it's an idea that more of them are considering and implementing. Peter Ronson is chief operating officer for Markham District Energy (MDE), a network in a Toronto suburb that heats and cools 14 million square feet in more than 200 buildings, including condo buildings up to 44 storeys tall, a hospital, data centres, hotels and two schools. Some, like the data centres, produce a lot of heat, while others may use lots of hot water. "We got all sorts of stuff on the system," Ronson said. "When [some are] throwing away energy, I can recover and give it to somebody else." That kind of heat-sharing is efficient. Excess heat in the system can also be stored (underground in water or rock, for example) ... and much more cheaply than electricity. All that means converting buildings that burn fossil fuels to district energy can potentially put less strain on the grid than electrifying individual buildings using heat pumps or baseboard heating.
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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 idea that American health insurance companies are using AI to analyze and adjudicate claims for approval or denial sounds terrifying, but one North Carolinian is using AI to fight back. When Raleigh resident Neal Shah had a claim denied for his wife’s chemotherapy drugs, he thought it was rare, that he was the only one, that it was just bad luck. Litigating his case on phone calls that lasted for hours changed the husband and father, and he set about creating a sophisticated app that uses artificial intelligence to compare claims denial forms against health insurance contracts, before automatically drafting an appeal letter. “For a doctor to write this, it’s not rocket science, but it still takes hours,” Shah told ABC News 11, adding that a well-written appeal letter, sent in immediately, can sometimes get denials reversed within days or weeks, but most people either don’t know they can appeal, or don’t know on what grounds they can appeal. In fact, according to Shah’s research, 850 million claims denials occur every year, and less than 1% are ever appealed. That’s where Counterforce Health comes in, a startup that’s created a free-to-use app for claims denials. For Counterforce Health, Shah brought onboard Riyaa Jadhav, a Jill of all trades who has helped grow and expand the undertaking. Together, they’ve built Counterforce to the point where it boasts a 70% success rate in appealing claims.
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Most of the water on Earth is found in the oceans, but it’s far too salty to drink. While desalination plants can remove salt and make seawater drinkable, they typically use a lot of energy. Now, researchers have developed a promising new material that could change that. Reporting in ACS Energy Letters, a team of scientists created a sponge-like structure filled with long, microscopic air channels that harness sunlight to turn saltwater into fresh, clean water. In an outdoor test, this simple system—just the sponge and a clear plastic cover—successfully produced drinkable water using only natural sunlight. It’s a step toward making low-energy, sustainable desalination more accessible. In an outdoor test, the researchers placed the material in a cup containing seawater, and it was covered by a curved, transparent plastic cover. Sunlight heated the top of the spongy material, evaporating just the water, not the salt, into water vapor. The vapor collected on the plastic cover as liquid, moving the now clean water to the edges, where it dripped into a funnel and container below the cup. After 6 hours in natural sunlight, the system generated about 3 tablespoons of potable water. “Our aerogel allows full-capacity desalination at any size,” [researcher Xi] Shen says, “which provides a simple, scalable solution for energy-free desalination to produce clean water.”
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Hypothetical: You wake up tomorrow morning to find [that] the internet has functionally ceased to exist. But you need to connect with people you trust to get help and survive. What do you do? Meshtastic is a program that enables devices to send text messages over long distances without needing Wi-Fi or cell service. Long range radio (LoRa) nodes help pass messages along, forming a network of devices that can talk to each other even in remote areas. Messages hop from device to device, with each node relaying messages it hasn't seen before—extending the network’s reach across miles using minimal power. That is to say, Meshtastic is designed specifically for sending text messages over free-to-use radio frequencies to both groups and individuals, even when cell service and internet connections are nowhere to be found. “The cool thing about Meshtastic is that it’s like a radio infrastructure without the infrastructure. It’s ad hoc,” says Eric Kristoff, a volunteer member of the Chicago chapter of the Mars Society. Meshtastic was created by technologist Kevin Hester in early 2020 as a way to communicate while doing “any hobby where you don’t have reliable internet access,” and it remains a grassroots endeavor, with established local communities spanning from Argentina to China that are ripe with a DIY ethos. The software itself is open source, meaning anyone can theoretically contribute, and hundreds have. A core group of volunteer developers helps maintain the Meshtastic firmware.
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Negative or fear-framed coverage of AI in mainstream media tends to outnumber positive framings. The emphasis on the negative in artificial intelligence risks overshadowing what could go right — both in the future as this technology continues to develop and right now. AlphaFold, which was developed by the Google-owned AI company DeepMind, is an AI model that predicts the 3D structures of proteins based solely on their amino acid sequences. That’s important because scientists need to predict the shape of protein to better understand how it might function and how it might be used in products like drugs. By speeding up a basic part of biomedical research, AlphaFold has already managed to meaningfully accelerate drug development in everything from Huntington’s disease to antibiotic resistance. A timely warning about a natural disaster can mean the difference between life and death. That is why Google Flood Hub is so important. An open-access, AI-driven river-flood early warning system, Flood Hub provides seven-day flood forecasts for 700 million people in 100 countries. It works by marrying a global hydrology model that can forecast river levels even in basins that lack physical flood gauges with an inundation model that converts those predicted levels into high-resolution flood maps. This allows villagers to see exactly what roads or fields might end up underwater. Flood Hub ... is one of the clearest examples of how AI can be used for good.
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A team of researchers searching for safe, sustainable, and biodegradable alternatives to plastics presented a new type of transparent material at the American Chemical Society (ACS) spring meeting. Unlike previous transparent “wood” designs that sacrifice some biodegradability for strength by including certain types of plastics, the team said its eco-friendly see-through material is made with all natural components. Potential applications for the plastic alternative include electronic device screens, wearable sensors, coatings on solar cells, and transparent wood windows. Bharat Baruah, a professor of chemistry ... said his woodworking hobby led him to research efforts to create transparent wood. He quickly discovered that successfully created transparent wood materials were enhanced with epoxy, a type of plastic, to increase its strength, sacrificing some biodegradability. The professor decided he should see if there were better alternatives. After enlisting Ridham Raval, a Kenneshaw State undergraduate student, to help, the duo used a vacuum chamber, sodium sulfite, sodium hydroxide, and bleach to remove lignin and hemicellulose, two of wood’s three components, from a sample of balsa wood. What remained was a paper-like layer of cellulose filled with tiny pores. Instead of refilling the pores with epoxy, the team soaked the cellulose layer in a mixture of egg whites and rice extract. They were “left with semi-transparent slices of wood that were durable and flexible.”
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Imagine. You heard the on-the-hour radio news bulletin while you got dressed that morning. You glanced at headlines on your phone on the way to work. You read the paper while you waited for your coffee in a cafe. Each encounter was, typically for the mainstream news, filled with death and doom. But after each snippet, you also heard or read a warning: ‘Too much negative news may cause a distorted view of reality and harm your mental health.’ Since the mandatory health warnings for majority-bad news media outlets were introduced, you’ve been much more aware of balancing your media intake so that you get a wider perspective on problems and progress. For the first time, you’ve really thought about it. Less doomscrolling, and more conscious solution-seeking. You’re surprised at how much you accepted negative news to be normal, and how much better your mental health has felt as a result of the shift. This is the vision of Seán Wood, CEO of Positive News. The news media amounts to, he points out, an overarching shared story of how the world is. “The impact of that is obviously significant,” says Wood. “While it’s important to highlight problems so that society can course-correct ... Positive News shows that there can be a more balanced way of understanding the world, that keeps us informed, but allows people to engage more because we see a bigger picture, we see potential solutions and opportunities to contribute, we see the human potential.”
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When large swathes of invasive seaweed started washing up on Caribbean beaches in 2011, local residents were perplexed. Soon, mounds of unsightly sargassum – carried by currents from the Sargasso Sea and linked to climate change – were carpeting the region’s prized coastlines, repelling holidaymakers with the pungent stench emitted as it rots. Now, a pioneering group of Caribbean scientists and environmentalists hope to turn the tide on the problem by transforming the troublesome algae into a lucrative biofuel. They recently launched one of the world’s first vehicles powered by bio-compressed natural gas. The innovative fuel source created at the University of the West Indies (UWI) in Barbados also uses wastewater from local rum distilleries, and dung from the island’s indigenous blackbelly sheep which provides the vital anaerobic bacteria. The team says any car can be converted to run on the gas via a simple and affordable four-hour installation process, using an easily available kit, at a total cost of around $2,500 (£1,940). “Tourism has suffered a lot from the seaweed; hotels have been spending millions on tackling it. It’s caused a crisis,” Dr Henry, a renewable energy expert and UWI lecturer, [said]. The idea that it could have a valuable purpose was suggested by one of her students, Brittney McKenzie, who had observed the volume of trucks being deployed to transport sargassum from Barbados’ beaches.
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