Key Takeaways
- Minnesota inventor Mark Boysen created a chemical‑free weed‑killing machine that uses AI‑guided robotics and targeted steam bursts.
- The device identifies weeds, distinguishes them from desirable plants, and kills them with 100 % water‑based steam in roughly 20 minutes.
- Boysen holds a patent, won the Minnesota Pollution Control Agency’s Green Sustainability Award, and entered the invention in the Minnesota Cup competition.
- NAWARE, his company, has produced a smaller, homeowner‑friendly version that is not yet publicly shown but is already generating demand that outpaces supply.
- A prototype operates at an Arizona winery, and Boysen has presented the technology at the Minnesota State Fair, highlighting its safety for families and the environment.
Introduction and Overview
In the suburbs of Edina, Minnesota, a local inventor has turned a conventional lawn mower into a high‑tech, chemical‑free weed eradicator. Mark Boysen’s creation couples artificial intelligence, robotics, and pure steam to target unwanted plants without herbicides. “We’re able to detect weeds with A.I., distinguish the difference between a weed and what’s not a weed, and we hit it with a burst of steam, and it kills — just 100 % water — and it kills the weed in about 20 minutes,” Boysen explained in an interview with FOX 9. The machine’s core promise is simple: eliminate weeds using only water, thereby avoiding the ecological and health concerns tied to synthetic chemicals. This approach aligns with growing consumer interest in sustainable lawn care, especially among households with children and pets who wish to minimize exposure to potentially harmful substances.
How the Steam Weed Killer Works
The device operates through a three‑step process: detection, discrimination, and application. First, an onboard camera feeds images to an AI model trained to recognize common weed species. Once a weed is pinpointed, the system evaluates its shape, color, and texture to confirm it is not a desirable plant. Upon confirmation, a robotic arm directs a precise nozzle to deliver a short, high‑temperature steam burst directly onto the weed’s foliage. Boysen noted that the steam “will be dead in about 20 minutes. You smell it — it’ll smell like spinach — and that’s the weeds cooking. Basically breaking down the cellular structure.” The heat denatures proteins and ruptures cell walls, causing the plant to wilt and die without any residual chemicals left in the soil. Repeated applications accelerate the process, ensuring even stubborn roots are eventually depleted of vitality.
Patent, Awards, and Company Formation
Boysen’s ingenuity did not go unnoticed; he secured a patent for the steam‑based weed‑killing mechanism and submitted the invention to the Minnesota Cup competition last summer. His efforts earned him the Minnesota Pollution Control Agency’s Green Sustainability Award, recognizing the device’s potential to reduce chemical runoff and promote eco‑friendly landscaping. Building on this momentum, Boysen founded NAWARE, a startup dedicated to refining and scaling the technology. The company’s mission is to bring the AI‑driven steam weed killer to market, beginning with a prototype aimed at professional landscapers and eventually transitioning to a consumer‑grade model for residential use.
Smaller Version and Commercial Viability
While the original machine—a modified lawn mower—demonstrated the concept’s feasibility, Boysen acknowledges that a bulkier unit may deter everyday homeowners. Consequently, NAWARE has developed a compact iteration designed for garage storage and easy maneuverability around flower beds and vegetable patches. “He asked that the full design of the newer machine not be shown on camera yet, saying it is not ready for its public debut,” the FOX 9 report noted, underscoring that the design remains proprietary until final testing is complete. Boysen believes the reduced size will lower production costs, simplify maintenance, and broaden appeal, making chemical‑free weed control accessible to a wider audience without sacrificing the AI precision that distinguishes the device from conventional steam weeders.
Real‑World Deployments and Demonstrations
Proof of concept extends beyond Boysen’s backyard. A version of the invention is already operational at a winery in Arizona, where vintners employ the steam machine to manage weeds between vine rows without compromising soil health or grape quality. Additionally, Boysen presented his sustainability efforts at the Minnesota State Fair, showcasing live demonstrations that drew curious onlookers eager to see weeds wilt under a plume of steam. During these exhibitions, he repeatedly emphasized the sensory cue of “smelling like spinach,” a harmless byproduct of the plant’s proteins breaking down under heat. Such public displays not only validate the technology’s efficacy but also serve as educational outreach, illustrating how advanced robotics and AI can be harnessed for environmentally responsible agriculture and landscaping.
Inventor’s Background and Motivation
Before venturing into weed‑killing robotics, Boysen spent twelve years as a product coach, guiding startups and Fortune 500 firms through product development cycles. “I was teaching companies and enterprises all the way up to Fortune Four, from startups to Fortune [500], and teaching them how to basically build products. And I was like, hey, maybe I got to listen to my own playbook here, and now’s the time to develop something,” he recalled. This experience taught him the importance of marrying user needs with technological feasibility—a lesson he applied when confronting the pervasive problem of chemical herbicides. His shift from consultant to inventor reflects a broader trend of professionals leveraging industry expertise to tackle sustainability challenges, transforming theoretical knowledge into tangible solutions that address real‑world concerns like child safety and ecological preservation.
Community Feedback, Demand, and Future Outlook
The invention has already resonated with local residents who prioritize safe outdoor spaces for their families. Neighbor Ryan Finnefrock, father of a four‑year‑old and a seven‑month‑old, praised the chemical‑free approach: “I got two young kids, right, a four‑year-old and a seven‑month-old. So what we do know, there’s a lot of products out there that do the job, and they’re very effective, but are they the best for kids and stuff? We don’t know, right… We know that steam is not going to hurt anything. So that’s incredible that he thought of that idea and has grown it.” Such endorsements highlight the device’s appeal to health‑conscious consumers. Boysen confirmed that demand presently exceeds his capacity to produce units, stating, “We’ve got more demand than we can keep up with, honestly. It really comes down to how quick can I develop the product out of it.” This supply‑side pressure suggests a strong market appetite for AI‑enhanced, chemical‑free lawn care, prompting NAWARE to accelerate scaling efforts while maintaining rigorous quality standards. As the company moves toward a public debut of its home‑friendly model, the convergence of artificial intelligence, robotics, and simple steam could redefine how homeowners and growers manage weeds—offering a greener, safer alternative that aligns with modern sustainability goals.
https://www.fox9.com/news/minnesota-man-invents-ai-powered-machine-kill-weeds