How 'Microcracks' Undermined San Francisco's New Bus Terminal

How 'Microcracks' Undermined San Francisco's New Bus Terminal

Engineers clambered up to the girders and slowly excised the cracked chunks with a diamond-oxide-studded cable saw, “so we could cut through it without heating it up and disturbing any of the evidence,” says Karl Frank, a civil engineer and steel-failure specialist working with Herrick, another company involved in building the terminal.

The Notre Dame Fire Spread Toxic Lead Dust Over Paris

The Notre Dame Fire Spread Toxic Lead Dust Over Paris

On May 13—almost a month after the fire—the city of Paris first tested lead levels at schools and kindergartens near the cathedral, apparently informing principals in the affected area that there was no significant health risk.

Jony Ive Is Leaving Apple

Jony Ive Is Leaving Apple

Jony Ive announced in an interview with the Financial Times Thursday that he was departing the company after more than two decades to start LoveFrom, a creative agency that will count Apple as its first client.

Central Asia's Wild Soviet Architecture

Central Asia's Wild Soviet Architecture

Through their photos, Conte and Perego want to puncture the idea that there is a single, monolithic Soviet architectural style. Designed mostly by Moscow-trained architects, the buildings Conte and Perego photographed are all executed with a recognizably Soviet aesthetic, although many include touches inspired by local traditions.

Minecraft Earth Wants to Be the Next Pokémon Go—But Bigger

Minecraft Earth Wants to Be the Next Pokémon Go—But Bigger

Back in the Minecraft offices in Redmond, Washington, where they shared a building with Halo studio 343 Industries, the team would put people in the HoloLens and then send AR sheep walking down the hallway toward them—“slowly, certainly not threateningly,” Persson says now, sitting in a conference room right next to that hallway.

VW Will Make Its Own Batteries to Power an Electric Future

VW Will Make Its Own Batteries to Power an Electric Future

It’s pushing suppliers to ramp up battery production and has already locked in battery supplies for 15 million vehicles, CEO Herbert Diess told Automotive News late last year—a huge number even for a company that builds 10 million cars annually.

What Israel's Strike on Hamas Hackers Means For Cyberwar

What Israel's Strike on Hamas Hackers Means For Cyberwar

State-backed hacking and physical warfare have been on a slow but steady path toward convergence for about two decades, and both information security and warfare researchers say that it was only a matter of time before a nation launched a kinetic attack against enemy hackers.

How to Build, and Keep Building, a Cathedral Like Notre-Dame

How to Build, and Keep Building, a Cathedral Like Notre-Dame

“There is a subtlety to heritage architecture that is quite elegant, and there is a danger with contemporary materials and methods that you could do something outrageous,” says Douglas Pritchard, an architect at Johns Hopkins University who has made detailed 3D scans of Cologne Cathedral, begun in 1284.

New York’s Aggressive Climate Law Takes Aim at Skyscrapers

New York’s Aggressive Climate Law Takes Aim at Skyscrapers

Most of New York's carbon emissions come from the heating and cooling of large buildings. On Thursday, the New York City Council voted into law a sweeping set of rules to fight climate change , a metropolis-scaled version of a Green New Deal.

The Notre Dame Fire and the Future of History

The Notre Dame Fire and the Future of History

Some of the wood that burned in the cathedral of Notre Dame in Paris on Monday was put in place in the year 1160. But architectural historians around the world were emailing each other frantically: If the lower three-quarters of the building resist, if the stone walls stand, it’ll be possible to imagine restoring Notre Dame.

Pete Buttigieg Revived South Bend With Tech. Up Next: America

Pete Buttigieg Revived South Bend With Tech. Up Next: America

Part of the old Studebaker site is now home to a data-storage and analytics firm; Buttigieg invested city dollars in transforming its largest factory—the prosaically named edifice known as Building 84—into 800,000 square feet of offices where tech and biotech companies are now headquartered.

The Physics of Building Jumps in The Matrix

The Physics of Building Jumps in The Matrix

If I assume he jumps like a normal human with an upward speed of 3 m/s (this would give a 0.6 second hang time), then the gravitational field would be 1.4 N/kg.

Space Photos of the Week: Keep Space Weird

Space Photos of the Week: Keep Space Weird

Fast-forward five years, and scientists using the Hubble Space Telescope noticed it was gone. Check out our latest buying guides and best deals all year round📩 Want more?

The Way Superman Picks Up a Building Is a Physics Travesty

The Way Superman Picks Up a Building Is a Physics Travesty

Rhett Allain Let's start with a rough estimate of the pressure between Superman's hands and the building. Now that I have the force that Superman pushes up on the building, I can also calculate the pressure.

Tesla Moves to Build the Model Y After a Gangbusters 2018

Tesla Moves to Build the Model Y After a Gangbusters 2018

To keep things going, Tesla is focusing its efforts on a few key areas, Musk said on an earnings call: reining in costs, improving its service operations, getting Model 3 sedans to customers in Europe and China, and preparing for production of the Model Y, the as-yet-unseen midsize SUV that will follow the Model 3.

The Excruciating, Impossible Science of Airport Delays

The Excruciating, Impossible Science of Airport Delays

Because of the federal government shutdown, the airport didn’t have enough Transportation Security Administration agents and air traffic controllers; things slowed to a ground stop . “They insert buffer time in their schedules and ground operations,” says Bo Zou, a transportation engineer at the University of Illinois.

The Sensible Math of Knocking Over Absurdly Large Dominoes

The Sensible Math of Knocking Over Absurdly Large Dominoes

Since multiplication can be tedious after a while, let's make a computer program to calculate the height of the 29th domino assuming the starting domino is 5 millimeters tall. Here is a similar program that calculates the height of dominoes needed to get one big enough to possibly crush a car.

Bracing for a Hazy Robo-Future, Ford and VW Join Forces

Bracing for a Hazy Robo-Future, Ford and VW Join Forces

Aurora has said that it has not ruled out working with other automotive manufacturers on self-driving cars; it also has partnerships with Hyundai and EV startup Byton.

No GPS? A DIY Radio Transmitter Can Help You Navigate

No GPS? A DIY Radio Transmitter Can Help You Navigate

That's the premise of the book How to Invent Everything: A Survival Guide for the Stranded Time Traveler, by Ryan North.Without getting into the nitty-gritty details, it gives you the general idea of how things like an electric motor or wifi work. If you can build a radio transmitter, you won't need a clock.

Resilient housing joins the machine learning revolution

Resilient housing joins the machine learning revolution

Today, machine learning algorithms can detect over 100 types of cancerous tumors more reliably than a trained human eye. In Guatemala City, images and algorithms were used to locate “soft-story” buildings – buildings at least two stories high that have a structurally weak first floor.

How a Domino Master Builds (and Destroys) 15,000-Piece Creations

How a Domino Master Builds (and Destroys) 15,000-Piece Creations

Her video “Insane Domino Tricks,”, a collaboration with another artist, has nearly 118 million views—several million more views than the latest Beyonce and Jay-Z music video.To start a project, Hevesh first decides which structures or “tricks” to build around.