A Piece of Glass Thinner Than a Credit Card Could Solve America’s $25 Billion Energy Problem
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A Piece of Glass Thinner Than a Credit Card Could Solve America’s $25 Billion Energy Problem

New windows can insulate better than most walls, and some can even survive being hit with a two-by-four shot from a cannon.

By CHRISTOPHER MIMS
Mon, Mar 24, 2025 10:31amGrey Clock 4 min

Here’s one more thing we owe to the restless mind of Steve Jobs : hyper-efficient, ultra-tough windows for homes.

This new kind of window could save American households billions of dollars in wasted energy each year, while allowing expansive views of the outdoors and making our homes quieter, more comfortable and able to survive even the most violent weather. The key enabling technology is thin panes of glass—sandwiched between thicker standard glass—which exist because of the same manufacturing and chemistry breakthroughs that made possible the light, strong, scratch-resistant screens on our smartphones, tablets and watches.

Typical double-pane windows have hardly changed since their invention a century ago. Filling them with inert gases or adding coatings to reflect or let in heat has made them more effective. But it’s still generally accepted that, all other things being equal, your home’s energy bills will go up or down based on how many windows you have, and how big they are.

“Windows are always viewed as the problem, because windows typically lose 10 to 20 times more energy per square foot than a well-insulated wall,” says Stephen Selkowitz, an affiliate at the Lawrence Berkeley National Laboratory and a dean in the field of building energy efficiency. The Energy Department estimates that U.S. households each waste $200 to $400 a year on energy bills due to drafts, leaks and inefficiencies, for a total of at least $25 billion a year.

These new three- and four-pane windows can be even better insulators than the walls around them, but cost only about 20% more than standard energy-efficient windows. Installing them could bring big energy savings for those ready to retrofit, and could enable the construction of new homes that are so well-insulated that even when the power goes out in a winter storm, they stay warm for days. Another variant of these windows can meet the most stringent hurricane-related building codes in the country, while being significantly lighter than conventional stormproof windows.

The bad news is that Joe and Jane Consumer won’t be able to buy these kinds of windows at the local home-supply store—at least not yet. While the primary manufacturer of this type of window is offering its tech to other window makers, it’s only opened up U.S. production in the past few months, and it’s still scaling up manufacturing.

Bringing the panes

Scientists have long known the key to more efficient windows is similar to the relationship between razorblades and a closer shave: More is better. But it was hard to translate that into a product that could be mass manufactured, at a price that people would be willing to pay, says Selkowitz.

Enter Corning , maker of the thin, tough Gorilla Glass that has helped make possible today’s mobile devices. In order to win over Steve Jobs and land Apple as a client when it first started making iPhones, Corning offered Apple a fresh twist on its existing process for making glass for LCD displays and other applications, which yielded a new kind of chemically strengthened glass.

Traditional glass, called soda-lime glass, is made by floating molten glass on top of molten tin, which is a cheap and effective process but leaves microscopic flaws. With Gorilla Glass, molten glass with different additives than soda-lime glass cascades in a waterfall as thin as half a millimeter, which rapidly cools and is cut to size, yielding glass that is nearly flawless. The glass is also chemically strengthened, making it resistant to scratches and chipping.

As the smartphone industry ramped up, Corning built more factories to meet demand for Gorilla Glass. Some of these factories now use the same process, with a slightly modified chemistry, to create far larger sheets of similarly tough glass, for windows instead of hand-held devices. These sheets of glass are thinner than a credit card, yet they can be bigger than a queen-size mattress, says Ron Verkleeren , senior vice president of Corning’s emerging-innovations group.

This architectural glass doesn’t yet have a compelling name like Gorilla Glass, but they’re working on it, he adds. (“Orangutan Glass” has my vote.)

When three or even four layers of glass are put together, with inert gas in between, only the interior panes are the super-thin Corning panes, and they add little weight to the finished product.

When you go from a single air gap to the two or three that are possible with triple- and quad-pane windows, the insulating ability of a window can skyrocket, says Selkowitz, who has collaborated at the federally funded Lawrence Berkeley lab with Alpen, a Colorado-based maker of specialty windows, to research their capabilities.

Efficiency and more

Alpen’s windows have long been favored by architects who want to build super energy-efficient homes. Corning began collaborating with Alpen about five years ago, and now the company is ready to mass-manufacture reinforced windows at two facilities, one in Colorado and one in Pennsylvania. The first wave will be windows in standard sizes, says Andrew Zech, Alpen’s CEO. Key to keeping costs down are the company’s new automated, high-throughput assembly lines for making the windows, he adds.

David Schleicher, managing director of Kala, a high-performance builder in Kansas City, Mo., has been living with a wall of triple-pane windows comparable to Alpen’s on the south side of his home since 2015. Typically, such a vast expanse of glass—a total of 16 feet by 7—would create an unpleasantly cold patch during the winter. But this glass is so well insulated, it actually creates warmth in his living room: It admits the radiant heat of the low winter sun but prevents conductive heat loss through the window, says Schleicher.

“With the right glass in my house, my heat won’t even be running on a winter day, as long as the sun is shining and it’s coming in the window,” he says. “It is crazy—I will be in shorts and a T-shirt and it’s 20 degrees outside. Meanwhile, my neighbors are paying out the nose in heating and cooling bills.”

Whether or not these innovative new windows take off depends largely on the demand from builders, homeowners and landlords.

Historically, the biggest reason that energy-efficient technologies get adopted is that building codes require them, says Schleicher. Without explicit regulations that enforce minimum standards, builders often seek deals on materials so that they can maximize profits, and businesses and individuals who rent out properties often have little incentive to reduce tenants’ month-to-month energy bills.

Slashing home energy bills is just the next chapter for the tech that brought us smartphone glass.

Miter Brands is producing windows in North Venice, Fla. in which it layers Corning’s tough glass onto windows designed to withstand hurricane-force winds. Previously, the company’s impact-resistant glass doors weighed up to 600 pounds; using Corning thin glass inside has cut the weight by up to 40%, says Dean Ruark, vice president of engineering and innovation at Miter subsidiary PGT Innovations.

Despite being lighter, these new doors can pass the most stringent hurricane testing in the country: Miami Dade’s building codes for hurricane resistance. This involves withstanding ​​air pressure equivalent to a major hurricane, and a two-by-four fired from a cannon at 34 miles an hour…twice.



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A divide has opened in the tech job market between those with artificial-intelligence skills and everyone else.

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In a Sea of Tech Talent, Companies Can’t Find the Workers They Want

A divide has opened in the tech job market between those with artificial-intelligence skills and everyone else.

By CALLUM BORCHERS
Thu, Oct 2, 2025 4 min

There has rarely, if ever, been so much tech talent available in the job market. Yet many tech companies say good help is hard to find.

What gives?

U.S. colleges more than doubled the number of computer-science degrees awarded from 2013 to 2022, according to federal data. Then came round after round of layoffs at Google, Meta, Amazon, and others.

The Bureau of Labor Statistics predicts businesses will employ 6% fewer computer programmers in 2034 than they did last year.

All of this should, in theory, mean there is an ample supply of eager, capable engineers ready for hire.

But in their feverish pursuit of artificial-intelligence supremacy, employers say there aren’t enough people with the most in-demand skills. The few perceived as AI savants can command multimillion-dollar pay packages. On a second tier of AI savvy, workers can rake in close to $1 million a year .

Landing a job is tough for most everyone else.

Frustrated job seekers contend businesses could expand the AI talent pipeline with a little imagination. The argument is companies should accept that relatively few people have AI-specific experience because the technology is so new. They ought to focus on identifying candidates with transferable skills and let those people learn on the job.

Often, though, companies seem to hold out for dream candidates with deep backgrounds in machine learning. Many AI-related roles go unfilled for weeks or months—or get taken off job boards only to be reposted soon after.

Playing a different game

It is difficult to define what makes an AI all-star, but I’m sorry to report that it’s probably not whatever you’re doing.

Maybe you’re learning how to work more efficiently with the aid of ChatGPT and its robotic brethren. Perhaps you’re taking one of those innumerable AI certificate courses.

You might as well be playing pickup basketball at your local YMCA in hopes of being signed by the Los Angeles Lakers. The AI minds that companies truly covet are almost as rare as professional athletes.

“We’re talking about hundreds of people in the world, at the most,” says Cristóbal Valenzuela, chief executive of Runway, which makes AI image and video tools.

He describes it like this: Picture an AI model as a machine with 1,000 dials. The goal is to train the machine to detect patterns and predict outcomes. To do this, you have to feed it reams of data and know which dials to adjust—and by how much.

The universe of people with the right touch is confined to those with uncanny intuition, genius-level smarts or the foresight (possibly luck) to go into AI many years ago, before it was all the rage.

As a venture-backed startup with about 120 employees, Runway doesn’t necessarily vie with Silicon Valley giants for the AI job market’s version of LeBron James. But when I spoke with Valenzuela recently, his company was advertising base salaries of up to $440,000 for an engineering manager and $490,000 for a director of machine learning.

A job listing like one of these might attract 2,000 applicants in a week, Valenzuela says, and there is a decent chance he won’t pick any of them. A lot of people who claim to be AI literate merely produce “workslop”—generic, low-quality material. He spends a lot of time reading academic journals and browsing GitHub portfolios, and recruiting people whose work impresses him.

In addition to an uncommon skill set, companies trying to win in the hypercompetitive AI arena are scouting for commitment bordering on fanaticism .

Daniel Park is seeking three new members for his nine-person startup. He says he will wait a year or longer if that’s what it takes to fill roles with advertised base salaries of up to $500,000.

He’s looking for “prodigies” willing to work seven days a week. Much of the team lives together in a six-bedroom house in San Francisco.

If this sounds like a lonely existence, Park’s team members may be able to solve their own problem. His company, Pickle, aims to develop personalised AI companions akin to Tony Stark’s Jarvis in “Iron Man.”

Overlooked

James Strawn wasn’t an AI early adopter, and the father of two teenagers doesn’t want to sacrifice his personal life for a job. He is beginning to wonder whether there is still a place for people like him in the tech sector.

He was laid off over the summer after 25 years at Adobe , where he was a senior software quality-assurance engineer. Strawn, 55, started as a contractor and recalls his hiring as a leap of faith by the company.

He had been an artist and graphic designer. The managers who interviewed him figured he could use that background to help make Illustrator and other Adobe software more user-friendly.

Looking for work now, he doesn’t see the same willingness by companies to take a chance on someone whose résumé isn’t a perfect match to the job description. He’s had one interview since his layoff.

“I always thought my years of experience at a high-profile company would at least be enough to get me interviews where I could explain how I could contribute,” says Strawn, who is taking foundational AI courses. “It’s just not like that.”

The trouble for people starting out in AI—whether recent grads or job switchers like Strawn—is that companies see them as a dime a dozen.

“There’s this AI arms race, and the fact of the matter is entry-level people aren’t going to help you win it,” says Matt Massucci, CEO of the tech recruiting firm Hirewell. “There’s this concept of the 10x engineer—the one engineer who can do the work of 10. That’s what companies are really leaning into and paying for.”

He adds that companies can automate some low-level engineering tasks, which frees up more money to throw at high-end talent.

It’s a dynamic that creates a few handsomely paid haves and a lot more have-nots.

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