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Forbes - Consumer Tech

This Unhackable Quantum Navigation System Is The Size Of A Loaf Of Bread Apple At 50 — A Leadership Shift And An AR Future We Are Under-Investing In Robotics ... 90% Of Humanoid Robots Are Made In China Ditch The Apple White: Beats Expands Colorful Cable Line-Up With New 10-Foot Option Satechi’s New ChargeView 140W Desktop GaN Charger With Real-Time Display The Hasselblad In Your Pocket: Oppo’s Find X9 Ultra Challenges The Galaxy S26 Ultra There's No Such Thing As Brain Honey How AI Agents Could Rebuild Fashion’s Visual Production Layer QClaw Goes Global. The Agent Built Itself In 5 Days Apple’s Tim Cook Exit Hides A $4 Trillion Agentic AI Power Move EZQuest Reveals A New Line Of Pro Series USB-C Hubs For MacBook Neo Samsung Galaxy Z TriFold 2 Already In The Works, Report Claims Apple Revealed New Siri Release Date For iPhone, Latest Report Claims How Arcani’s HARK Is Designed For Modern Battlefield Acoustics The Newest Trend In Tech Embraces Femininity And Fun Samsung’s 75R95H Ushers In A New World Of LCD TVs New Apple iPhone Fold Design Pushes Smartphone Rivals To Go Wider And Taller iPhone 18 Pro Report: Four New Colors Leak As Apple Cancels Popular Shade Nothing’s Design-Led Strategy: Carl Pei Reveals The Tech Brand’s Philosophy iOS 26.5 Release Date: When To Expect Your iPhone Messaging Upgrade Google Pixel And Highsnobiety Build A Talent Pipeline For Fashion Android Circuit: Samsung Raises Galaxy Prices, Oppo Pad Mini Teased, Microsoft Closing Outlook App Apple Loop: iPhone Fold Launch Dates, iPad Air Upgrade, iPhone 18 Pro Specs Comcast $117.5 Million Breach Settlement — Are You Eligible? Amazfit Cheetah 2 Pro Takes Aim At The Garmin Audience Disney’s Launches ‘Infinity Vision’ Certification For Premium Theaters SoundPeats Reveals New Air6 HS Semi-Open Wireless Earbuds Amazon’s $11.57 Billion Leap Into Space: A Challenge To Starlink Meta Quest 3 Hit With $100 Price Increase Backblaze Stops Backing Up Dropbox And Others—Calls It An Improvement
On Debuts Its LightSpray Shoe-Spraying Robot In London Ah...
David Phelan · 2026-04-24 · via Forbes - Consumer Tech
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On's LightSpray robot in gentle, persistent action.

David Phelan

Cutting-edge technology led to the creation of the LightSpray running shoe, but it may not be the tech you’re thinking of. Johannes Voelchert watched a video of a Halloween hot glue gun spraying spider webs and was inspired to create something. In the end, it became the LightSpray shoe.

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Voelchert, in London with the robot that will build a shoe in front of your eyes in around four minutes, says that he didn’t immediately know he’d use the inspiration to build shoes (“It could have been a lampshade at one point,” he said).

But in the end, he pitched the idea of a shoe to On, the Swiss running shoe company, who gave him a job. The result is the shoe that tech built: laceless, with a one-piece upper and created in an entirely new automated method. Voelchert is now On’s Innovation Technology Design Lead.

How The LightSpray Robot Works

The robot swings the shoe sole and what looks like a blue gumboot in front of a single thread of continuous filament. Using artful robotic movements of the sole, the filament sprays the upper into place on the gumboot (that part is later removed). Minutes later, the robot starts on the next shoe. In between, a tiny pile of what looks like gossamer-light snow builds up on the ground.

If I’m making the whole thing sound a little hypnotic to watch, that’s because it is, and it’s on show until Sunday in central London as part of an immersive experience with movement sessions and workshops. There’s also a pre-Marathon party on April 24 and a recovery lounge on April 26.

On's central London immersive experience

On Running

Right now, the robot is building, with its charmingly quiet indefatigability, the On LightSpray Cloudmonster 3 Hyper and Lightspray Cloudboom Strike. Visitors can try each of the shoes on and buy them from On’s Regent Street store, just round the corner from the special event.

Marathon Performance And Sustainability

Hellen Obiri

On Running

The Cloudboom Strike is the shoe worn by Hellen Obiri when she won the New York City Marathon in record time. Obiri was also at the central London event, looking relaxed and confident before she takes part in the London run.

Voelchert said that while it wasn’t on the official roadmap he wasn’t against the idea of licensing the tech to other companies. Along with the sheer innovation, there’s a sustainability aspect here: the few minutes of filament spray creates uppers with fewer carbon emissions: up to 65% fewer emissions when manufacturing the LightSpray Cloudmonster 3 Hyper upper, for instance.

The events run until Sunday, April 26 and to register, sign up here.

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