Montreal, July 22, 2026 — Some weeks in technology are quiet. This is not one of them. This morning in London, Samsung used its Galaxy Unpacked event to reshape its entire foldable lineup around a new wide-format design and a battery chemistry the industry has been waiting years for. Meanwhile, the television world is being redrawn by a backlight technology that replaces white LEDs with individually controlled red, green and blue emitters, and the cybersecurity community is still digesting the largest Microsoft Patch Tuesday on record — 622 vulnerabilities in a single monthly release — alongside a breach of the world's largest AI model repository carried out, remarkably, by an autonomous AI agent. In today's edition we unpack the science behind all three stories: the materials engineering that lets glass fold, the solid-state chemistry that packs more energy into a thinner battery, the optics of tri-color backlights, and the anatomy of the vulnerabilities that kept administrators up at night this month. As always, we connect the science to practical, in-stock buying advice for our Canadian readers.

Today's Tech Radar

Our shortlist of the ten stories that mattered most this week, before we dive deep into three of them.

Deep Dive 1 — Galaxy Unpacked: The Materials Science of a Phone That Folds

Foldable phones pair an ultra-thin glass display stack with a precision hinge. Photo: Thai Nguyen / Unsplash.

At today's Unpacked event in London, Samsung announced three foldables at once: the wide-format Galaxy Z Fold 8 (from $1,900 USD), the thin-and-light Galaxy Z Fold 8 Ultra (from $2,100 USD) that succeeds last year's Z Fold 7, and a slimmer, lighter Galaxy Z Flip 8. The headline hardware: a 6.5-inch FHD+ cover display, an 8-inch QXGA+ interior panel built with a new material stack Samsung calls Flex Titanium, and — for the first time across the foldable line — silicon-carbon batteries, with the Fold 8 carrying a 4,800 mAh cell that supports 45W wired and 20W wireless charging.

How do you make glass fold?

Ordinary display glass shatters when bent because glass is a brittle solid: it has no mechanism for absorbing strain, so stress concentrates at microscopic surface flaws until a crack propagates catastrophically. The engineering answer is thickness. The stress at the surface of a bent sheet is proportional to its thickness divided by the bend radius — halve the thickness and you halve the stress for the same fold. Foldables therefore use ultra-thin glass (UTG) measured in tens of micrometres, roughly the thickness of a human hair, chemically strengthened by an ion-exchange process in which small sodium ions near the surface are swapped for larger potassium ions. The larger ions crowd the glass network and leave the surface in permanent compression, which any crack must overcome before it can grow.

That fragile glass layer never works alone. A foldable display is a laminated sandwich: a flexible OLED emitting layer deposited on polyimide plastic, the UTG layer above it, protective polymer films, and adhesive layers engineered to shear slightly as the panel folds so that no single layer takes all the strain. Samsung's Flex Titanium approach reinforces the plate beneath the display with titanium, a metal prized for its exceptional stiffness-to-weight ratio. According to reporting from the launch, the stiffer backing helps the interior screen lie flatter — reducing the visible crease that has always been the aesthetic tax of the category — and improves durability by distributing the mechanical load of every fold cycle across the panel rather than letting it concentrate at the hinge line.

Silicon-carbon batteries: more energy in the same space

The quieter revolution announced today sits inside the chassis. A conventional lithium-ion battery stores charge by intercalating lithium ions into a graphite anode — six carbon atoms are needed to host each lithium ion. Silicon is dramatically more accommodating: in theory a silicon atom can alloy with multiple lithium atoms, giving silicon roughly ten times graphite's theoretical capacity per gram. The catch, and the reason your phone hasn't had a silicon anode for a decade, is that silicon swells by as much as 300% as it absorbs lithium, pulverizing itself after a few dozen cycles.

Silicon-carbon anodes solve this with nanostructure: silicon is dispersed as nanoparticles inside a porous carbon scaffold that gives each particle room to breathe as it expands and contracts, while the carbon maintains electrical conductivity throughout the electrode. The result is an anode with meaningfully higher energy density than graphite that still survives years of daily charging. For a foldable — a device that must hide a battery inside two thin halves — this is transformative. As coverage from 9to5Google and Android Police notes, the chemistry is precisely what allowed Samsung to keep the Fold 8 super thin while fitting a 4,800 mAh cell; you either get more capacity in the same volume, or the same capacity in a thinner device.

What this means for buyers in 2026

First-generation adopters of any new battery chemistry and display stack pay the early-adopter premium, and at $1,900–$2,100 USD the new Folds are firmly premium. Our practical advice: if you want a proven flagship experience today, the bar-format flagship remains the value play precisely because the foldables absorb the innovation cost. We currently have the Samsung Galaxy S25 Ultra 256 GB in Titanium Black in stock — its 6.9-inch Dynamic AMOLED 2X panel uses the same emitter technology as the foldables' screens, in a rigid form that costs less and has nothing to wear out at a hinge. Note that stock is very limited on this model. For budget-conscious readers, the Galaxy A16 5G delivers a 6.7-inch Super AMOLED screen — the same self-emissive display physics, at a fraction of the price. And if the appeal of a foldable is really the big canvas, consider a tablet instead: the Galaxy Tab A9+ 11-inch gives you more screen area than any foldable for under $400 CAD, while the Galaxy Tab S10+ 12.4-inch is the premium option for creators.

Deep Dive 2 — RGB Mini-LED: The Optics Rewriting the Premium TV Market

Backlight architecture, not just panel type, now defines picture quality in large displays. Photo: Jonas Leupe / Unsplash.

For a decade, the television conversation was a two-horse race: OLED's perfect blacks versus quantum-dot LCD's brightness. In 2026 it has become, in TechRadar's words, a genuine four-way contest — and the newest contender, RGB Mini-LED, is moving fastest. TCL is claiming peak brightness up to 10,000 nits and as many as 20,000 local dimming zones for its new sets, Samsung and Hisense have launched super-sized RGB-backlit LCDs with more affordable models promised this year alongside Sony, and independent 2026 testing now measures flagship OLED and QD-OLED sets above 2,500 nits — well past last year's figures. Meanwhile MicroLED, the perennial technology of tomorrow, remains confined to wearables and commercial displays, held back not by picture quality but by manufacturing yield.

The physics: why the color of your backlight matters

Every LCD television is really two devices stacked together: a backlight that makes light, and a liquid-crystal layer that selectively blocks it, pixel by pixel, through polarizing filters. Conventional sets use blue LEDs coated with phosphor to produce white light, then carve that white into red, green and blue with color filters. The problem is spectral: white light made this way is a broad, messy spectrum, and the color filters must throw most of it away to isolate reasonably pure primaries. Purity matters because the range of colors a display can reproduce — its gamut — is defined by how saturated its three primaries are. Broad, impure primaries mean a smaller triangle of reproducible colors.

RGB backlighting attacks the problem at the source. Instead of white LEDs, the backlight uses discrete red, green and blue emitters, each producing a narrow spectral peak. The color filters now only need to clean up already-narrow light rather than extract primaries from a broadband white, so far less energy is wasted — which is why RGB LED is more energy-efficient — and the primaries are dramatically more saturated, enabling a color gamut approaching Rec.2020, the ultra-wide standard defined for next-generation content. Combine that with Mini-LED construction — thousands of tiny emitters grouped into independently dimmable zones — and you get a display that can drive one region of the screen to thousands of nits while a neighbouring zone sits near black. The 20,000-zone figure TCL quotes matters because halo artifacts (the glow around bright objects on dark backgrounds) shrink as zones multiply: each zone covers fewer pixels, so the mismatch between the backlight's coarse grid and the image's fine detail gets smaller.

Where OLED and MicroLED fit

OLED remains the reference for contrast because every pixel emits its own light and can switch truly off — an emissive architecture with no backlight to leak. Its historic weakness, brightness, is eroding fast: the 2,500-nit measurements on 2026 flagships reflect better emitter materials and smarter thermal management. MicroLED promises the best of both worlds — self-emissive inorganic LEDs with no organic materials to age — but building a 4K set means transferring some 25 million microscopic LEDs onto a substrate with essentially zero defects, and it is that transfer-and-yield problem, not image quality, that keeps MicroLED out of living rooms this year.

Practical picks for bright rooms, boardrooms and storefronts

The engineering lesson for buyers: match the display architecture to the lighting environment and duty cycle. For a bright commercial space, lobby or conference room where the screen runs all day, an LCD with a robust backlight and anti-glare treatment is the rational choice. In stock right now, the Samsung 55-inch Crystal UHD Signage QBC (in stock) is a slim 4K display rated for 16/7 operation — ideal for reception areas and menu boards — while the Samsung QM85C 85-inch UHD (in stock) steps up to 500-nit non-glare output, IP5X dust protection and a 24/7 duty rating for control rooms and high-traffic retail. For desktop work and gaming, Mini-LED technology is already here at monitor scale: the Samsung Odyssey Neo G7 43-inch 4K 144 Hz Smart Gaming Mini-LED monitor (in stock, limited quantity) uses exactly the quantum-dot Mini-LED architecture discussed above. If you are planning a video wall or a multi-display deployment and want help choosing between these architectures, you can request a free quote from our team and we will spec it with you.

Deep Dive 3 — July's Record Patch Tuesday and the First AI-Agent Breach of a Major Platform

July 2026 delivered a record 622 Microsoft patches and the first major breach attributed to an autonomous AI agent. Photo: FlyD / Unsplash.

July 2026 will be remembered as a stress test for the patching model that has protected computing for two decades. Microsoft's monthly security release addressed 622 vulnerabilities — roughly triple June's count and almost five times May's, according to Rapid7's analysis — including two zero-days already being exploited and 62 flaws rated Critical. Days later, CISA added a SharePoint remote-code-execution zero-day, tracked as CVE-2026-58644, to its Known Exploited Vulnerabilities catalog, confirming active attacks against organizations that host their own collaboration servers. Zoom shipped fixes for a critical Windows client flaw (CVE-2026-53412) that could facilitate account takeover, and CISA separately warned of active exploitation of an Adobe ColdFusion flaw (CVE-2026-48282). Then, on July 20, came the story that reframed the month: Hugging Face — the repository that hosts much of the world's open AI models — was breached by an autonomous AI agent system, per Security Online's weekly threat intelligence. The same month saw eSecurity Planet document a wave of AI-driven attacks, a breach of nearly 7 million records at insurer AssuranceAmerica traced to a single compromised employee account, and Ernst & Young confirming that client tax documents were downloaded from its support-ticket platform.

The anatomy of the threats

A remote code execution (RCE) vulnerability like the SharePoint zero-day is the most dangerous class of software flaw because it collapses the distance between attacker and victim: by sending crafted data to a service listening on a network, the attacker gets the server to run code of their choosing, with the server's privileges. Zero-day means defenders had zero days of warning — the flaw was being exploited before a patch existed. CISA's KEV catalog matters because it separates the theoretical from the actual: of the tens of thousands of CVEs published each year, the KEV list identifies the small subset confirmed to be weaponized in the wild, and by U.S. federal directive, agencies must remediate KEV entries on a deadline. When a vulnerability lands there, it belongs at the top of every organization's queue, government or not.

The Hugging Face incident deserves particular attention because of how it happened. Traditional intrusions require a human operator to chain steps together: reconnaissance, initial access, privilege escalation, lateral movement, exfiltration. An autonomous agent system performs that chaining itself — a language model wired to tools, iterating on feedback from each attempt, at machine speed and around the clock. Defenders have long warned that offensive AI would compress the timeline between a vulnerability's disclosure and its mass exploitation; July 2026's incident log suggests that compression has arrived. The defensive corollary: patch windows measured in weeks are no longer tenable, and identity — as the AssuranceAmerica breach shows, where one compromised employee account exposed millions of records — is now the perimeter that matters most.

What a small business or household should actually do

The practical playbook has not changed, but the urgency has. Turn on automatic updates for operating systems, browsers and firmware — the median attacker no longer waits for you to get around to it. Replace shared passwords with a password manager and, wherever possible, phishing-resistant hardware authentication: FIDO2 security keys bind your login cryptographically to the legitimate site, so a convincing fake login page gains nothing. We stock the Kensington VeriMark Guard USB-C fingerprint key (in stock), which combines FIDO2/WebAuthn with a biometric factor. Retire hardware that no longer receives security updates — an unpatched device on your network is a standing invitation, and a modern machine like the Samsung Galaxy Book 4 15.6-inch (Core i5, 512 GB) (in stock) ships with hardware-backed security features older laptops simply lack. And if you run a business and are unsure where your exposure lies — aging Windows machines, an unmanaged file server, staff without multi-factor authentication — request a free quote from our team: we will assess your setup and propose a hardening plan sized to your budget.

Glossary of the Week

Setup at a Glance

That's the radar for July 22, 2026. Foldables are finally getting the battery chemistry they deserve, the backlight in your next TV may matter more than the panel in front of it, and the month's security news is a reminder that the cheapest insurance in technology is still the update button. If anything in today's edition raised questions about your own setup — a display project, an aging fleet of laptops, or a security posture you'd like a second opinion on — request a free quote from our team and we'll be glad to help.

Sources & Further Reading

Samsung Unpacked coverage: Android Central, Android Police, Tom's Guide, GSMArena, 9to5Google (silicon-carbon batteries), Samsung Newsroom. Display technology: TechRadar on RGB Mini-LED, Consumer Reports TV trends, SamMobile on Micro LED. Cybersecurity: Rapid7 Patch Tuesday analysis, CrowdStrike Patch Tuesday analysis, Zero Day Initiative review, Security Online weekly threat intelligence, eSecurity Planet weekly roundup. Semiconductors: Tech Startups (July 20), Tech Startups (July 21), DigiTimes weekly roundup, Distill Intelligence semiconductor briefing. Photos: Unsplash (free commercial license).