Wednesday, October 15, 2025

Frozen Frontier: Sustainability, AI, and My Education on the Ice

The Journey of a Rink Family

Some families spend weekends at soccer fields or baseball diamonds, but mine grew up at the rink—from the high summer heat in Atlanta, the desert cool at night in Southern California, to the deep freeze mornings in Minnesota. My kids’ hockey bags have collected red Georgia clay, bits of Los San Diego beach sand, and the muddy lake water or melted snow and ice particles of Minneapolis and Edina and everywhere in between. I didn’t just become a hockey parent or a techie fascinated with next-generation rinks ...

I became a regular at the helm of a Zamboni, learned the quirks of resurfacing, and joined the ranks of rink maintenance crews who keep the game alive for everyone willing to lace up.

This is not a distant issue for me. I have felt, smelt, and shoveled the ghost ice. I have worked with control panels older than me, juggled compressor faults in real time, and debated with managers on the merits of hot- versus cold-water resurfacing. It’s in these personal trenches, with kids on the ice and a wrench in hand, that the crisis and and opportunity of sustainable rinks became clear.

Hockey’s Hidden Cost: The Energy and Climate Challenge

Hockey is a thread in the fabric of North American communities. There are 4,800 indoor rinks in North America, with an average age over 30 years, most built before sustainability featured in facility designs[1].

The core problem? 

Rinks are energy hogs. They are expensive and complicated.  Refrigeration accounts for about 43% of total rink electricity use, with heating, lighting, and humidity control making up much of the rest. The typical older rink burns through 1–1.5 million kilowatt-hours (kWh) each year, releasing up to 800 tons of CO₂e—a climate footprint rivaling small manufacturing operations[2]. 

In many municipalities, rinks account for 20–30% of civic building emissions. For any community promising a “net zero” commitment, rinks are a central challenge and opportunity[2].

For operators like me and rink managers everywhere these numbers are felt every month in utility bills. The idea of  five-figure electric bills in the Upper Midwest, even in the spring, and gas bills that spike in the deep of winter, not from heating the stands but from keeping compressors churning are real.  Get down into the southeast heat or Southwest and California summers and it's even more costly. 


Ghost Ice and the Human Factor

Another rarely discussed challenge is operational inefficiency.  

What some people call “ghost ice”: the invisible layers or variable thicknesses due to cautious but outdated maintenance. Many rinks over-flood between events or struggle with uneven resurfacing, leading to ice layers up to 20% thicker than necessary.

Each extra millimeter of ice not only diminishes the quality of play but increases energy demand by thousands of kWh per season. Case studies estimate a single rink’s excess thickness can waste $50,000 per year...money literally locked in ice and melted away by compressors[2][3]. As a rink worker, the drive is always to avoid “soft” moments or dangerous ridges, but often this leads to overcompensating with water, and in turn, energy loss.


Regulatory Sword: R-22 Phase-Out and the Cost of Delay

There’s a regulatory shadow falling across this landscape. Many rinks still rely on R-22 refrigerant, which destroys ozone and has been regulated out of production in most of North America[2]. Existing stores are dwindling, prices are rising, and in 2030 the final legal loopholes will close. Failure to convert means the risk of fines in the tens of thousands per day, a true existential threat for community-run operations.


A New Era: Green Rinks and Next-Generation Solutions

Turning this crisis into an opportunity is neither science fiction nor a tech utopia; it’s happening today, facility by facility, through bold investments and smarter planning.

Case Study: Great Park Ice — The West Coast Standard

Consider the Anaheim Ducks’ new 280,000 square foot Great Park Ice facility, the flagship for sustainable design in California[1]. Despite high upfront costs, the rink brings together a portfolio of green solutions:

  • Recycled Water
    •  All ice is produced with 100% reclaimed water, reducing potable water demand in drought-prone Orange County.
    • Electric Zamboni
      •  Eliminates the indoor air hazards and fossil fuel use of older resurfacers.
    • EV Charging and Green Design:
      • Parking lots feature extensive electric vehicle charging, and landscaping is drought resistant.
    • High-Efficiency Refrigeration
      • Advanced automation allows precise control of ice temperature and humidity, minimizing waste.


Great Park Ice is a candidate for LEED Silver certification[1][3]. The message for parents and staff is that “green costs more at the start, but pays society back for decades.” I’ve watched my own kids’ tournaments, games and practices here and felt the ice quality—hard, fast, consistent—and noticed how the air smells fresh, not chemical-heavy like the older rinks.


Canada’s Net Zero Cohort: Leading with Community and Data

Canada is setting the global bar for community-driven transition. A recent project brought together seven southern Ontario municipalities to develop real retrofitting roadmaps for their nine most-used rinks[2]. Their findings:

  • Big Impact:
    • Operations alone (training, automation, anti-idling practices) can reduce emissions by 26%. 
    • Coupled with capital retrofits (heat recovery, modern chillers), 85% reduction is achievable
      • up to 99% in best-case scenarios.
  • Real Savings:
    • Each roadmap anticipated savings of over 243 tons CO₂e by 2050 per rink. Collectively, this will eliminate 2,189 tons of emissions.
  • Economic Win:
    • Over a rink’s 40-year life, net-zero upgrades pay back, not just in utility savings, but in lower maintenance, higher occupancy, and community value.


Their method? 

Zero-over-time: use every replacement or capital improvement as a chance to add an energy upgrade. Integrated design and cohort-planning ensured that mistakes and lessons are shared, not repeated[2].


My Zamboni Dream: Sustainability From the Driver’s Seat

Where do I fit in? For me, sustainability is not an abstraction. Every shift on the Zamboni is a learning lab in heat transfer, efficiency, and technology transfer.

  • Water Choices
    • I’ve experimented with both hot-water and cold-water resurfacing. Hot water melts and smooths ice well, but is energy intensive; cold-water systems, now proven at several Canadian sites, do nearly as well with technique and slash gas bills.
  • Ice Thickness:
    • Digital sensors and “smart sticks” are replacing the old coin-on-a-rope method for measuring ice. 
    • I can now ensure we maintain a bare inch—no more, no less—cutting both water waste and compressor run-time.
  • AI and Automation:
    • Early-adopter rinks are turning to digital Building Automation Systems (BAS). 
      • These monitor compressor cycles, forecast weather, and directly control brine temperatures and energy loads for maximum efficiency
      • a quantum leap from the patched-up control panels

Simple changes, backed by data and guided by collective expertise, add up fast. I’ve seen operator morale rise when they receive training and new tools; the pride in maintaining “perfect ice” with a lower footprint is real.


Barriers and Lessons: What Still Gets in the Way?

Progress is slowest when data is incomplete, or when managers and staff fear new techniques might sacrifice ice quality. In the Canadian study, missing blueprints and records created delays[2]. Often there is institutional inertia, if a method worked for 20 years, why change now?

Financially, capital retrofits are daunting. Even with incentives, budget cycles favor crisis response, not prevention. But life-cycle costing is turning the tide: planned, staged upgrades, timed with equipment failure, are vastly cheaper and smarter[2].

Knowledge-sharing is now critical. Webinars, workshops, and peer mentoring are bridging the learning gap. When I get an invite to a “cold resurfacing” demonstration, the learning comes straight from veteran operators, easing mistrust.

Innovation Beyond the Rink: AI, Automation, and New Business Models

Looking to the future, the most exciting area is the integration of AI-driven energy optimization, digital twin modeling, and alternative funding models.

  1. Digital Twins and Predictive AI
    1. SmartICE projects in Canada and advanced automation at Dallas Stars’ facilities in Texas have proven the value of digital twins
      1. virtual copies that can be tested for compressor failure, power outages, or optimization scenarios without risking actual downtime[4][2].
      2.  AI controls can now anticipate peak demand windows and pre-cool at the lowest rates, reaching annual energy cuts of 20–35% and improving operational uptime.
  2.  Community and Web3 Funding
    1. Increasingly, communities are experimenting with tokenized or “community bond” models
      1. enabling families, local businesses, and even global hockey fans to fund sustainable upgrades. 
      2. While still an emerging space, these models, alongside public grants, are unlocking retrofits that would otherwise remain unfunded.
  3. Environmental Social Governance (ESG) as Rink Value
    1. Many municipalities now publicly report on rink emissions, using their successful upgrades as a core plank in broader community climate pledge
      1. a public win that builds stakeholder support for the upfront expenses.


Bringing Sustainability Home: The Future for Hockey Families

For me, rink sustainability is not just about LED bulbs or smarter chillers. It’s about the assurance that my children, and their teammates in Atlanta, San Diego and Orange County, and Edina , St Louis Park, Minneapolis, will grow up with affordable, accessible, safe, and quality rinks[1][2].

It’s also a matter of pride: knowing that our small changes, smart resurfacing, careful thickness management, speaking up for retrofit, contribute to a much bigger movement. When I walk into a rink that smells fresh, hums quietly, and posts energy usage stats above the front desk, I know we’re skating into a brighter future.


Conclusion: One Rink, Many Lessons

Hockey may always be costly, cold, and logistically complex, but it doesn’t have to be unsustainable, or inaccessible. The green revolution in rink technology proves that with the right mix of ambition, data, community, and personal commitment, we can solve this hidden climate challenge, one Zamboni lap at a time[1][2].

As both a parent and a rink worker, every practice becomes a classroom: one where I’m still learning, and sometimes teaching, how to keep hockey’s legacy alive for generations-and climates-to-come.



References:

  • Ducks practice facility incorporates latest environmental technology | NHL[1]  
  • Case Study: Creating a shared path to net zero ice rinks | Green Municipal Fund[2]  
  • Great Park Ice and FivePoint Arena - Irvine Ranch Water District[3]
  • Dallas Stars Ice Skating Rink | Trane Commercial HVAC[4]  


Citations:

[1] Ducks practice facility incorporates latest environmental technology https://www.nhl.com/news/anaheim-practice-facility-incorporates-latest-environmental-technology-306973030

[2] Case Study: Creating a shared path to net zero ice rinks https://greenmunicipalfund.ca/case-studies/case-study-creating-shared-path-net-zero-ice-rinks

[3] Great Park Ice and FivePoint Arena - Irvine Ranch Water District https://www.irwd.com/waterstar-business/great-park-ice-and-fivepoint-arena

[4] Dallas Stars Ice Skating Rink | Trane Commercial HVAC https://www.trane.com/commercial/north-america/us/en/about-us/newsroom/case-studies/community/dallas-stars-ice-skating-rink.html

Wednesday, September 10, 2025

River of Signals: The Silent Crisis of American Maritime Connectivity



From the fog-shrouded shores of the Puget Sound to the endless, muddy artery of the Mississippi , to the mostly peaceful and warm gulf of Mexico and the vast, freshwater seas of the Great Lakes, a silent crisis is brewing. We know this.  We see it.  Nobody really ignores it , but everybody lets it fade into the background. 

The maritime industry, the very essence of American commerce, are facing a communications breakdown. In an age of ubiquitous digital connection, the nation's most vital waterways remain a vast, analog expanse, where reliance on fragile terrestrial networks and decades-old protocols leaves vessels, commerce, and lives at risk.

This is a dystopian reality cloaked in a utopian dream. While the world of technology races toward fully autonomous systems and seamless digital orchestration, our off-grid maritime networks are caught in a time warp. The problem isn’t a lack of desire for innovation, but a fundamental gap in the infrastructure needed to support it. This is a story of a digital divide that separates a futuristic, connected world from the rugged reality of our inland seas.

The Digital Dark Ages on the Water

The challenges are everywhere. On Lake Superior, a tugboat captain navigating through a blizzard has no reliable way to communicate with a remote port manager about a last-minute schedule change. On the Mississippi, a barge moving a critical cargo of grain struggles with spotty satellite coverage, its on-board sensors unable to transmit vital data about its engine's health to a maintenance crew miles downstream.Not even an hour north of Seattle in the Puget sound, a Coast Guard patrol boat can't share real-time position data with a sister vessel, hindering a rescue operation.

Current solutions are a patchwork of insufficient technologies. Satellite communication is expensive, suffers from latency, and is often unreliable in areas with dense foliage or challenging weather. Traditional radio is a limited resource, and its signals don't offer the data-rich capabilities that modern autonomous systems require. 

The result is a system of disconnected silos, where docks, ports, shipyards, and marine vessels operate on their own islands of data, unable to share information with each other in real-time. This isn’t a small problem, it's a critical vulnerability for the small businesses, ports, and individuals who rely on the waterways for their livelihoods.

A centralized, perfect system is a theoretical ideal, but in the sprawling, decentralized chaos of the real world, it's destined to fail. The utopia of a fully connected, autonomous maritime industry is out of reach unless we address the very real, very human-scale problems of connectivity.

But the future isn't bleak. A new wave of startups and innovators are recognizing that the solution isn't to build a new centralized system, but to embrace the decentralized, redundant nature of the waterways themselves. A handful of forward-thinking companies are looking at Web3 protocols and distributed ledger technologies as the foundation for a new kind of maritime infrastructure. Others are knee deep into AI and autonomous robotic vessels.  

They envision a system where every vessel, every dock, and every barge acts as a node in a peer-to-peer network. In this model, tugboats, barges, and merchant marine vessels could use off-grid radio protocols to form a mesh network, relaying data from one vessel to the next.

This system would be anchored to a blockchain, where every critical piece of information starting with a ship's manifest, a sensor reading, a crew member's badge information and it's all cryptographically signed, timestamped, and made verifiable. This digital twin of a mission or a cargo's journey would be stored on-chain, creating an unassailable record. This offers a path toward a verifiable, resilient, and unstoppable communications fabric.

The dream is to transform the maritime industry from a loose collection of independent actors into a cohesive, intelligent network. Ports would have real-time visibility into incoming cargo. Shipyards could receive automated alerts about a vessel's maintenance needs. And most importantly, the Coast Guard could have a persistent, real-time map of all vessels in a given area, enhancing safety and response times in emergencies.

A Call for a New Navigator

The path forward requires a new kind of navigator and philosophy.  It's not just a captain or sailor, but an innovator who understands both the harsh realities of the water and the boundless potential of decentralized technology. This is a call to action for small businesses, ambitious startups, and established ports to look beyond the limitations of centralized systems and invest in a future built on redundancy, verifiability, and community-owned infrastructure. The sea is a realm of unforgiving chaos, but with a new digital compass, we can finally steer our way into a hopeful and connected future.


Friday, May 9, 2025

AI & medical devices and the future

In the sterile fluorescence of hospital corridors and the quiet hum of machines that promise life, a new yet old player has entered the stage: artificial intelligence.  The hype behind genAI and LLMs as well as the ever change nature of NLP, neural networks, deep learning , machine learning and more has been eaten by the dream of genAI and LLMs and RAGs. 

 The U.S. Food and Drug Administration (FDA) stands at the forefront of this technological revolution, embracing AI in both its internal processes and the medical devices it approves. Yet, as with all revolutions, this one is fraught with both promise and peril. 

Healthcare has always been a few steps , a few decades behind.  It is the nature of the beast.  But even they cant escape the hope, dreams And allure of AI in Medicine and medical devices and drug discovery. 

AI's potential in healthcare is undeniable. From assisting in diagnosing abnormalities in radiological imaging to predicting disease progression, AI-driven tools offer the promise of enhanced efficiency and accuracy and far more intelligent automated processes and tools in patient care. The FDA's recent completion of its first AI-assisted scientific review pilot underscores this potential, with officials noting significant reductions in review times for new therapies .

Moreover, the agency's initiative to deploy AI tools across all its centers by June 30, 2025, signals a commitment to integrating AI into the very fabric of medical regulation . This move aims to streamline processes, reduce repetitive tasks, and accelerate the approval of new medical interventions.  But is it more hype and bias vs real change. 

There are now people who pretend data don't matter. You have tech folks selling synthetic DNa sampling is better than real DNA data. Others promote the idea of synthetic and manipulated radiology x-ray data scans.  

The shadows in the Data and it's almost always swampy chaos run amok with extreme bias and controversy yet often ignored.  

With all this being said , ignoring quality real dads will be the death of these new movements or the death of real human beings and animals 

A perfect example of this philosophy lies far beneath the surface of these medical devices and systems and AI automation projects and agentic agents. A comprehensive analysis of over 500 FDA-approved AI medical devices revealed that approximately 43% lacked reported clinical validation data . Some devices were even validated using computer-generated images rather than real patient data, raising concerns about their effectiveness in real-world clinical settings. 

This gap in validation not only undermines the credibility of these devices but also poses potential risks to patient safety. As AI tools become more prevalent in critical diagnostic and therapeutic roles, the absence of rigorous clinical testing becomes a glaring oversight.

In an effort to address these concerns, the FDA has introduced amendments to its Quality System Regulation, aiming to harmonize U.S. standards with international benchmarks . These changes are designed to ensure that medical devices, including those powered by AI, meet stringent quality and safety requirements. 

Yet, the rapid proliferation of AI technologies challenges traditional regulatory frameworks. The FDA's finalized recommendations to streamline the approval process for AI-powered devices, allowing manufacturers to update their products without resubmitting documentation, reflect an attempt to keep pace with technological advancements . However, these guidelines are not legally binding, leaving room for variability in implementation. 

Despite AI's capabilities, the human touch remains irreplaceable in medicine. AI tools can assist in diagnosing conditions like skin cancer, but they lack the nuanced understanding that comes from direct patient interaction . Moreover, concerns about AI's ability to accurately assess diverse populations persist, emphasizing the need for inclusive and comprehensive training data. 

The integration of AI into healthcare must be approached with caution, ensuring that technological advancements do not outpace ethical considerations and patient safety. 

The intersection of AI and medicine presents a landscape of both opportunity and challenge. While the FDA's initiatives signal a forward-thinking approach to integrating AI into healthcare, the lack of rigorous clinical validation for many AI-powered devices raises critical concerns. As we navigate this new frontier, a balanced approach that marries innovation with stringent oversight is essential to safeguard patient well-being and maintain public trust.

Saturday, February 8, 2025

The Code Inscribed on the Stone of Time

 

It's a simple Ballad of Memecoins and Bitcoin Ordinals, for the Age of Machines...


The chains hum beneath the weight of numbers,

A ledger vast as the oceans cold dark abyss,

Each satoshi, carved with symbols, whispers ...

Whispers into the night,

Cries during the day ...

The Ordinals speak, but do they listen?


And then something, someone, down the river hearing fire and rain , singing simply tonic methodology ...

They began as jesters, dog-faced and grinning, Cat eyes and playful...

A joke told too many times, until laughter turned to gold.

Dogecoin, a shrug against the bankers,

Shiba Inu, a dream of the decentralized street.

But behind the flashing gifs and roaring tweets,

A deeper code unfolds,

Memecoins teach the machine to read intent—

To scrape the sentiment from digital crowds,

To open up the future of futures,

To taste the market’s fevered pulse

And dance before the crash.

Or songs singing in the digital rain clouds. 


Could they train the models, or could AI inspired creative fantasy across digital and physical realms...

These viral echoes of human whim?

Or something sinister?

Maybe just a fun plot for the masses. 

Could a memecoin-backed network

Feed an LLM a diet of unfiltered,

Unwashed, raw cultural madness,

And teach it humor, folly, risk even creativity ?


Then came the Ordinals, whispering permanence,

Marking each satoshi like monks etching prayer wheels,

No longer mere transaction, but memory, creativity, hope and desire.  

A ledger that forgets nothing, creates anything... everything. 

Ethereum carved its art in contracts,

A mutable scripture,

Bitcoin now inscribes its ghosts in the chain,

A permanent gallery of digital creative  relics,

Untouched by time, unswayed by humanity 

And what if the machines could read these, think on them , analyze them, love them ?

What if LLMs trained not just on words,

But on the cold, immutable past lives , 

A data-layer of eternal truth?

A network where AI sees provenance,

Knows not just the what, but the who, how , when, and most importantly, the why—

A generative mind that traces back its own roots, creating its own future and legacy,

Sees the first token inscribed in 2023

And understands history as it was coded,

Not rewritten. Not fantasy. 

A Future Chiseled in Code

The memecoins teach the machines to dream, to love, to hate. 

To guess at the market’s beating heart.

The Ordinals teach them to remember,

To hold time in a satoshi’s weight.



And somewhere between speculation and permanence,

Between the laughing currency and the sacred stone,

A future unfolds, cold and electric—

Digital and physical...

Where LLMs do not just generate,

But understand.

And create. 

Frozen Frontier: Sustainability, AI, and My Education on the Ice

The Journey of a Rink Family Some families spend weekends at soccer fields or baseball diamonds, but mine grew up at the rink—from the high ...