A turbine-inspired generator shows how overlooked industrial airflow could quietly become a new source of usable power
Updated
February 3, 2026 11:23 AM
Campus building of Chung-Ang University. PHOTO: CHUNG-ANG UNIVERSITY
Compressed air is used across factories, data centers and industrial plants to move materials, cool systems and power tools. Once it has done that job, the air is usually released — and its remaining energy goes unused.
That everyday waste is what caught the attention of a research team at Chung-Ang University in South Korea. They are investigating how this overlooked airflow can be harnessed to generate electricity instead of disappearing into the background.
Most of the world’s power today comes from systems like turbines, which turn moving fluids into energy or solar cells, which convert sunlight into electricity. The Chung-Ang team has built a device that uses compressed air to generate electricity without relying on traditional blades or sunlight.
At the center of the work is a simple question: what happens when high-pressure air spins through a specially shaped device at very high speed? The answer lies in the air itself. The researchers found that tiny particles naturally present in the air carry an electric charge. When that air moves rapidly across certain surfaces, it can transfer charge without physical contact. This creates electricity through a process known as the “particulate static effect.”
To use that effect, the team designed a generator based on a Tesla turbine. Unlike conventional turbines with blades, a Tesla turbine uses smooth rotating disks and relies on the viscosity of air to create motion. Compressed air enters the device, spins the disks at high speed and triggers charge buildup on specially layered surfaces inside.
What makes this approach different is that the system does not depend on friction between parts rubbing together. Instead, the charge comes from particles in the air interacting with the surfaces as they move past. This reduces wear and allows the generator to operate at very high speeds. And those speeds translate into real output.
In lab tests, the device produced strong electrical power. The researchers also showed that this energy could be used in practical ways. It ran small electronic devices, helped pull moisture from the air and removed dust particles from its surroundings.
The problem this research is addressing is straightforward.
Compressed air is already everywhere in industry, but its leftover energy is usually ignored. This system is designed to capture part of that unused motion and convert it into electricity without adding complex equipment or major safety risks.
Earlier methods of harvesting static electricity from particles showed promise, but they came with dangers. Uncontrolled discharge could cause sparks or even ignition. By using a sealed, turbine-based structure, the Chung-Ang University team offers a safer and more stable way to apply the same physical effect.
As a result, the technology is still in the research stage, but its direction is easy to see. It points toward a future where energy is not only generated in power plants or stored in batteries, but also recovered from everyday industrial processes.
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"Discover how emerging sustainability trends in digital marketing are reshaping the way small businesses connect with eco-conscious consumers."
Updated
January 8, 2026 6:35 PM
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Protestor holding a sign "NO BUSINESS ON A DEAD PLANET" during a march. PHOTO: UNSPLASH
Sustainability has become more than just a buzzword—it’s a movement that’s reshaping business practices across industries. For small businesses, aligning with sustainable values isn’t just about doing the right thing; it’s about staying competitive in a world where consumers increasingly prioritize eco-conscious brands.
In the digital age, sustainable marketing is evolving rapidly, offering businesses new ways to reduce their environmental impact while engaging with customers who care deeply about the planet. Let’s take a closer look at the top trends driving sustainable marketing today and their implications for small businesses.
Most people don’t realize that online advertising has an environmental cost. Every time an ad is displayed, clicked on, or streamed as a video, it consumes energy. This energy powers the servers, data centers, and networks that host and deliver these ads. The problem is that much of this energy still comes from non-renewable sources like coal and natural gas, which contribute to carbon emissions.
For small businesses, this could mean optimizing ad campaigns to reduce unnecessary data usage or using platforms that offset their carbon emissions. Additionally, adopting lighter website designs and faster-loading ads can not only reduce energy consumption but also improve user experience—leading to better engagement and conversion rates.
Small businesses can stand out by making their digital campaigns both efficient and eco-friendly. Highlighting these efforts in marketing messages can appeal to sustainability-minded customers while showcasing innovation.
Sustainable packaging is no longer optional—it’s an expectation. But for small businesses, it’s not just about switching to biodegradable materials. It’s about effectively communicating those efforts to customers through digital channels.
Brands are using their websites, social media, and email marketing to share the stories behind their packaging choices. Whether it’s sourcing recycled materials or partnering with eco-friendly suppliers, transparency is key. Educational content, such as videos or infographics, can help customers understand the impact of their purchases and feel good about supporting a brand.
By using digital platforms to tell the story of their sustainability efforts, small businesses can create deeper emotional connections with customers. Sharing behind-the-scenes processes or celebrating packaging milestones can boost loyalty and differentiate a brand from competitors.
Influencer marketing has become a powerful tool for brands, and the rise of eco-conscious influencers is creating new opportunities for businesses that prioritize sustainability. These influencers focus on topics like waste reduction, ethical consumption, and eco-friendly lifestyles, making them an ideal partner for sustainable brands.
Collaborating with such influencers allows small businesses to reach niche audiences that are already committed to sustainable living. These partnerships feel more authentic compared to traditional ads, as followers trust influencers to recommend products that align with their values.
Even small businesses with limited budgets can benefit from micro-influencers —individuals with smaller but highly engaged audiences. Partnering with eco-conscious influencers can amplify a business’s sustainability message and create a ripple effect of awareness.
Consumers today are more skeptical of vague claims like "green" or "eco-friendly." They want specifics. Brands that embrace transparency by sharing measurable data about their sustainability efforts are earning trust and loyalty.
For example, brands that disclose the carbon footprint of their products or provide detailed information about their supply chains stand out in an age of greenwashing (misleading sustainability claims). This trend is particularly relevant for small businesses, as customers often expect smaller, local brands to be more ethical and transparent.
Being upfront about sustainability efforts—even if they’re still a work in progress—can build credibility. Sharing challenges, milestones, and small wins through social media or email newsletters makes the brand relatable and trustworthy.
The circular economy—a model in which products are reused, repaired, or recycled instead of discarded—is gaining momentum. Small businesses are finding creative ways to incorporate this principle into their operations and marketing.
For example, some businesses encourage customers to return used products in exchange for discounts or loyalty points. Others upcycle returned goods into new products and share this process with customers through digital platforms.
By participating in the circular economy, small businesses can differentiate themselves while building a loyal customer base. Promoting these initiatives online—whether through videos, blogs, or customer testimonials—can amplify their impact and attract eco-conscious buyers.
Sustainable marketing is more than a trend—it’s becoming a necessity for businesses of all sizes. For small businesses, it represents both an opportunity to stand out in a competitive market and a chance to make a meaningful impact on the planet.
Emerging trends like green digital advertising, circular economy initiatives, and transparency are reshaping how brands connect with their audiences. By embracing these practices, small businesses can attract eco-conscious consumers, build loyalty, and foster trust—all while reducing their environmental footprint.
The future of marketing belongs to those who see sustainability not as an add-on, but as the foundation of their growth. For small businesses ready to take on this challenge, the rewards go beyond profits—they include making a lasting, positive impact on the planet and the people who inhabit it.