Luc Rinaldi
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Articles by Luc Rinaldi
Why Xanadu's CEO wants to build a quantum computing data centre in Toronto
Christian Weedbrook is Canada's unlikely quantum king. He grew up in Australia, flunked out of film school twice and then, through a series of academic twists and turns, ended up studying quantum computing at the University of Toronto. In 2016, he founded Xanadu, a company that is now one of Canada's foremost quantum firms. Xanadu has 300 employees, more than US$250-million worth of private investment and plenty of plans to keep growing.
Why Xanadu’s CEO sees a quantum data centre as the next big win for Canada
Christian Weedbrook is Canada's unlikely quantum king. He grew up in Australia, flunked out of film school twice and then, through a series of academic twists and turns, ended up studying quantum computing at the University of Toronto. In 2016, he founded Xanadu, a company that is now one of Canada's foremost quantum firms. Xanadu has 300 employees, more than US$250-million worth of private investment and plenty of plans to keep growing.
Parents Are Suing Social Media Companies for Harm to Kids. Will It Work?
SEPTEMBER/OCTOBER 2026 / JUSTICE Parents Are Suing Social Media Companies for Harm to Kids. Will It Work? BY LUC RINALDI ART BY JUSTIN POULSEN Published 6:30, AUGUST 19, 2026 Everyone at Souris Regional School knew Harry Burke. He was a popular grade eleven student, six feet tall and striking, with bright-blue eyes and a mischievous smile.
Luc Rinaldi | The Walrus
Norval Morrisseau was one of the most famous Indigenous artists anywhere. Then the fakes of his works surfaced—and kept coming
Parents Are Suing Social Media Companies for Harm to Kids
SEPTEMBER/OCTOBER 2026 / JUSTICE Parents Are Suing Social Media Companies for Harm to Kids. Will It Work? Meta, Google, and Snap are facing accusations that addictive platforms are causing serious, even fatal, damage BY LUC RINALDI ART BY JUSTIN POULSEN Published 6:30, AUGUST 19, 2026 Everyone at Souris Regional School knew Harry Burke. He was a popular grade eleven student, six feet tall and striking, with bright-blue eyes and a mischievous smile.
Why Canada’s greatest math genius is joining OpenAI
Reprinted with permission from Be Giant, a non-profit, non-partisan media outlet reporting on the people, places, ideas and breakthroughs shaping Canada's future. Sign up for their weekly newsletter. For those in the know, it was not a huge surprise that Jacob Tsimerman won the Fields Medal, mathematics’ highest honour, earlier this month.
Why Canada’s greatest math genius is joining OpenAI
Personalised advertising and content, advertising and content measurement, audience research and services development Store and/or access information on a device You can choose how your personal data is used.
Why Canada’s greatest math genius is joining OpenAI
Personalised advertising and content, advertising and content measurement, audience research and services development Store and/or access information on a device You can choose how your personal data is used.
Why Canada’s greatest math genius is joining OpenAI
Reprinted with permission from Be Giant, a non-profit, non-partisan media outlet reporting on the people, places, ideas and breakthroughs shaping Canada's future. Sign up for their weekly newsletter. For those in the know, it was not a huge surprise that Jacob Tsimerman won the Fields Medal, mathematics’ highest honour, earlier this month.
Why Canada's greatest math genius is joining OpenAI Original
For those in the know, it was not a huge surprise that Jacob Tsimerman won the Fields Medal, mathematics' highest honour, earlier this month. The University of Toronto professor has been in contention for the award since he was a kid, when he earned a perfect score at the International Mathematical Olympiad, and he became an odds-on favourite when he and two collaborators proved the long-unsolved André-Oort conjecture back in 2021.
Locked in an escape room with mathematician Jacob Tsimerman Original
14 min read Update (July 23, 2026): Jacob Tsimerman was announced as one of the winners of the Fields Medal When Jacob Tsimerman was a child, his grandfather, a Russian physicist, gave him a riddle about a broken toaster. "Suppose you have three slices of bread," his grandpa proposed, "and a toaster with two slots that toast on only one side. How many times do you need to use it to fully toast all three slices of bread?" The first answer most people come up with - four - is also the wrong one.
What I learned locked inside an escape room with one of the world’s most brilliant mathematicians
Queen Elizabeth II took the Saudi Crown Prince for a drive in her Land Rover and she used her military-grade driving skills to leave him with priceless reaction A while back, Queen Elizabeth II took the Saudi Crown Prince for a drive in her Land Rover in Scotland, and we’re sure it must’ve been quite the …
The Anti–Slop Music Resistance
I play in a cover band called the Duotangs, so named because we keep our sheet music—for songs by the Hip, Doors, Strokes, Beatles and beyond—in the same flimsy, three-pronged folders used by grade-schoolers. Every spring, we pull up Toronto’s summer-concert calendar and pick a few to attend together. “Band field trips,” we call them. This year, we zeroed in on Jack White’s July show, partly because we play a tune by the Raconteurs. Arguably, the real draw was his opening act: Angine de Poitrine.
The Anti–Slop Music Resistance - Macleans.ca
George Clooney reveals his pick for the next James Bond: 'The perfect guy to do it' The actor-turned-director previously worked with who he believes is the ideal Daniel Craig successor. Even George Clooney is getting in on the James Bond speculation. It's been five years since Daniel Craig's swan song as 007, and last month Amazon revealed that the search is officially underway for …
The Farmers Who Fought a Data Centre—and Won
Twin Lakes Ranch has been in Brenda Ralston’s family for more than a hundred years. In 1918, her great-grandfather bought 320 acres of gently rolling prairie northeast of Calgary and bred cattle to feed the frontier. Over the next century, his descendants did the same. “My grandpa farmed it. My dad farmed it. My husband and I farm it,” says Ralston. One day, she expects to hand it down to her son, who’s studying animal sciences at the University of Saskatchewan.
The Farmers Who Fought a Data Centre—and Won - Macleans.ca
Highest proportion of people since 2017 believe Canada is on the right track: poll The number of Canadians who believe the country is heading in the right direction has hit its highest percentage since 2017, according to a new poll …
The mind-boggling Toronto lab growing tiny human hearts
Milica Radisic’s team is creating little kidneys, mini brains and beating hearts that could speed up life-saving drug testing Moore’s Law, that famous maxim of computer science, holds that chips double in power every two years. The field of medicine is subject to a more demoralizing axiom: Eroom’s Law (that’s Moore backwards), which dictates that the life-saving science of drug discovery gets slower and more expensive with time, doubling in cost every nine years.
The mind-boggling Toronto lab growing tiny human hearts
Moore’s Law, that famous maxim of computer science, holds that chips double in power every two years. The field of medicine is subject to a more demoralizing axiom: Eroom’s Law (that’s Moore backwards), which dictates that the life-saving science of drug discovery gets slower and more expensive with time, doubling in cost every nine years. It now takes an average of 12 years and $1 billion – and counting – to bring a new medicine to market.
The Waterloo campus club that became a global phenomenon
15 min read Krish Shah hands me his MacBook and tells me to blow on it. "Aim for the tab key," he says. When I lift the laptop to my lips and exhale, its speakers emit a brassy honk. I glide my fingertips along the trackpad and the pitch rises and falls. Shah, a lively software engineering student at the University of Waterloo, smiles as he watches. How could he not? He's MacGyvered his computer into a trombone, a feat as impressive as it is absurd.
The mind-boggling Toronto lab growing tiny human hearts
11 min read Moore's Law, that famous maxim of computer science, holds that chips double in power every two years. The field of medicine is subject to a more demoralizing axiom: Eroom's Law (that's Moore backwards), which dictates that the life-saving science of drug discovery gets slower and more expensive with time, doubling in cost every nine years. It now takes an average of 12 years and $1 billion - and counting - to bring a new medicine to market.
The Best of 2025: Maclean’s Top 10 Longreads - Macleans.ca
Will anyone want Canada’s oil and gas? Energy regulator delays forecast due to shifting policies Canada and the U.S. have been changing their energy and climate policies, making it harder to predict just how much demand there will be for fossil …
Save Me From My Screen
In the spring of 2024, I walked into a Telus store in Liberty Village and requested a flip phone. The clerk stared. “Why would you want that?” he asked. It was a reasonable question. The short of it was that I was sick of my iPhone. I was tired of feeling chained to my many inboxes and alarmed that any time life lagged—if I was standing in an elevator, riding the TTC or sitting on the toilet—I’d default to opening Instagram or a news app.
Dumb and Dumber: Assessing the most popular smartphone alternatives on the market
1. The Minimal Phone is a fully functional smartphone with a twist: an e-ink screen and a tactile QWERTY keyboard for anyone who misses their BlackBerry. 2. Invented by two former Google staffers, the Light Phone III has a black-and-white screen and a tight roster of basic tools such as a calendar, a calculator, a camera and directions. 3. The Wisephone runs on a proprietary operating system that blocks social media, games and internet browsing. 4.
The rise and fall of smartphones: a brief history of key moments
From the first brick-sized IBM model in 1994 to the explosive 2024 bestseller that blamed Big Tech for rewiring kids’ brains August 1994: IBM releases the world’s first smartphone: Simon, a brick-size device with a few hours of battery life. It sells a measly 50,000 units over six months before being discontinued.
"Someone deep in a TikTok session is not that different from someone under hypnosis": A psychologist on how to counter smartphone addiction
You’ve studied the psychology of sleep, placebos and magic tricks. How did smartphones enter the mix? I’m naturally a slow adopter of technology. My friends had smartphones before I did, and I noticed them complaining about being glued to their devices and enjoying real life less. When I got an iPhone in the early 2010s, I wanted to figure out how to get the benefits without all the downsides.
The Death of the Middle-Class Musician
Rollie Pemberton was barely a teenager when he started rapping. His hometown, Edmonton, didn’t have much of a hip-hop scene in the early aughts, so he honed his craft online. He plugged an old-school microphone into his mom’s desktop computer, recorded a few verses, later turned them into tracks, and sent them out into the burgeoning music blogosphere. Within a few years, he’d adopted the emcee name Cadence Weapon and earned a reputation as a shrewd critic and sharp lyricist.
The Magic Lab: How chemist and computer scientist Alán Aspuru-Guzik brought self-driving laboratories from Harvard to Toronto
The morning after the 2016 presidential election, Alán Aspuru-Guzik woke up, shook off his sorrow and went for a run.
They’re Suing the Government for the Right to Die
Claire Brosseau first fantasized about dying when she was in kindergarten. She was a dramatic child, prone to throwing tantrums and screaming until she passed out. When her parents admonished her, asking why she wasn’t more like her sister, she imagined eating peanut butter, to which she was allergic, until she asphyxiated. It’d be better for everyone if I was gone, she thought. Brosseau’s malaise intensified as she got older. When she was 11, her family moved from Toronto to Montreal.
Murder in the Blue Mountains: The story behind the killing of Ashley Schwalm - Toronto Life
On January 26, 2023, just before 6 a.m., a car travelling along the shore of Georgian Bay turned south onto Arrowhead Road, a two-lane street that gently curves and rises into the forested foot of the Blue Mountains. It was a high-beams kind of morning—dark and blustery, with wind whipping snow through the sub-zero air—so the driver, on his way to work at the nearby Alpine Ski Club, kept his eyes on the road. There wasn’t much to see: icy asphalt, hydro poles, the occasional driveway.
What to do if your home insurance claim gets denied
This article has been updated from a previous version. Robert’s insurance nightmare began on a stormy day last summer in his downtown Toronto basement apartment. Water surged from the drain cover, soaking his couch, sewing machine, shoes, and book collection. Pretty soon, the water was up to his ankles. He quickly reached out to his tenant insurance provider, who sent an adjuster the next day to review the damage.
The RCMP said he was a sex-trafficking kingpin. 'They destroyed my life'
Toronto's Daegun Chun was accused of running a sophisticated human smuggling network and put behind bars. Three years later, he was quietly freed • • You can save this article by registering for free here. Or sign-in if you have an account. Article content On April Fools’ Day, 2015, Daegun Chun’s life changed forever.
The RCMP said he was a sex-trafficking kingpin. 'They destroyed my life'
Toronto's Daegun Chun was accused of running a sophisticated human smuggling network and put behind bars. Three years later, he was quietly freed • • Article content On April Fools’ Day, 2015, Daegun Chun’s life changed forever. It was a brisk spring morning in north Toronto, and Chun, a 46-year-old Korean man who had resided in Canada for more than a decade, was expecting a routine visit from his aunt, Byung Hwa Tak.
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