On Tuesday, a Reddit user named “nhciao” posted a series of artistic QR codes created using the Stable Diffusion AI image-synthesis model that can still be read as functional QR codes by smartphone camera apps. The functional pieces reflect artistic styles in anime and Asian art.
QR codes, short for Quick Response codes, are two-dimensional barcodes initially designed for the automotive industry in Japan. These codes have since found wide-ranging applications in various fields including advertising, product tracking, and digital payments, thanks to their ability to store a substantial amount of data. When scanned using a smartphone or a dedicated QR code scanner, the encoded information (which can be text, a website URL, or other data) is quickly accessed and displayed.
In this case, despite the presence of intricate AI-generated designs and patterns in the images created by nhciao, we’ve found that smartphone camera apps on both iPhone and Android are still able to read these as functional QR codes. If you have trouble reading them, try backing your camera farther away from the images.
Stable Diffusion is an AI-powered image-synthesis model released last year that can generate images based on text descriptions. It can also transform existing images using a technique called “img2img.” The creator did not detail the exact technique used to create the novel codes in English, but based on this blog post and the title of the Reddit post (“ControlNet for QR Code”), they apparently trained several custom Stable Diffusion ControlNet models (plus LoRA fine tunings) that have been conditioned to create different-styled results. Next, they fed existing QR codes into the Stable Diffusion AI image generator and used ControlNet to maintain the QR code’s data positioning despite synthesizing an image around it, likely using a written prompt.
Other techniques exist to make artistic-looking QR codes by manipulating the positions of dots within the codes to make meaningful patterns that can still be read. In this case, Stable Diffusion is not only controlling dot positions but also blending picture details to match the QR code.
This interesting use of Stable Diffusion is possible because of the innate error correction feature built into QR codes. This error correction capability allows a certain percentage of the QR code’s data to be restored if it’s damaged or obscured, permitting a level of modification without making the code unreadable.
In typical QR codes, this error correction feature serves to recover information if part of the code is damaged or dirty. But in nhciao’s case, it has been leveraged to blend creativity with utility. Stable Diffusion added unique artistic touches to the QR codes without compromising their functionality.
Enlarge/ An AI-generated image that still functions as a working QR code.
The codes in the examples seen here all point to a URL for qrbtf.com, a QR code-generator website likely run by nhciao based on their previous Reddit posts from years past. The technique could technically work with any QR code, although someone on the Reddit thread said that it may work best for shorter URLs due to how QR codes encode data.
This discovery opens up new possibilities for both digital art and marketing. Ordinary black-and-white QR codes could be turned into unique pieces of art, enhancing their aesthetic appeal. The positive reaction to nhciao’s experiment on social media may spark a new era in which QR codes are not just tools of convenience but also interesting and complex works of art.
US aviation regulators on Wednesday unveiled their first framework for how to train pilots for the expected new breed of electric-powered urban air taxis designed to revolutionize short-hop travel in cities. From a report: The Federal Aviation Administration published a proposed set of regulations that attempt to create an orderly process for building a pipeline of pilots on the devices, which don’t currently fit into existing regulations. It would allow flight crews trained on existing aircraft to take credit for that experience as they transition to the new devices known as electric vertical takeoff and landing, or eVOTLs, the FAA said in a statement. It also creates a pathway for pilots to receive FAA sign-off for specific new aircraft and attempts to merge the new technology into existing rules as much as possible, the agency said.
“These proposed rules of the sky will safely usher in this new era of aviation and provide the certainty the industry needs to develop,” David Boulter, FAA’s acting associate administrator for aviation safety, said in the release. The proposal is a key step in allowing the new aircraft — which take off vertically like helicopters, but can fly with the efficiency of fixed-wing planes — to be introduced into the US aviation system. The agency has estimated that it will approve a handful of the devices as early as 2025.
[…] Taking the drug osimertinib after surgery dramatically reduced the risk of patients dying by 51%, results presented at the world’s largest cancer conference showed.
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“Fifty per cent is a big deal in any disease, but certainly in a disease like lung cancer, which has typically been very resistant to therapies.”
The Adaura trial involved patients aged between 30 and 86 in 26 countries and looked at whether the pill could help non-small cell lung cancer patients, the most common form of the disease.
Everyone in the trial had a mutation of the EGFR gene, which is found in about a quarter of global lung cancer cases, and accounts for as many as 40% of cases in Asia. An EGFR mutation is more common in women than men, and in people who have never smoked or have been light smokers.
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After five years, 88% of patients who took the daily pill after the removal of their tumour were still alive, compared with 78% of patients treated with a placebo. Overall, there was a 51% lower risk of death for those who received osimertinib compared with those who received placebo.
[…] The experiment is a part of Caltech’s Space Solar Power Project, and the institute announced a successful transmission via press release yesterday. The researchers conducted the power transfer experiment using the Microwave Array for Power-transfer Low-orbit Experiment, or MAPLE, which is a small prototype aboard the in-orbit Space Solar Power Demonstrator (SSPD-1) that launched this past January.
The researchers say that, in a first, MAPLE’s array of transmitters successfully beamed solar power collected in space using microwaves to a receiver on the rooftop of Gordon and Betty Moore Laboratory of Engineering on Caltech’s campus in Pasadena.
“Through the experiments we have run so far, we received confirmation that MAPLE can transmit power successfully to receivers in space,” said Space Solar Power Project co-director Ali Hajimiri in the press release. “We have also been able to program the array to direct its energy toward Earth, which we detected here at Caltech. We had, of course, tested it on Earth, but now we know that it can survive the trip to space and operate there.”
How Does Wireless Power Transfer Work?
The SSPD-1, attached to a Vigoride spacetug from Momentus Space, consists of two panels used to collect solar power. An array of transmitters within MAPLE sends that energy across a given distance using constructive and destructive interference. Located about a foot away from its transmitter, MAPLE has two receivers that collect solar energy and convert it to DC electricity which, during the experiment, was used to light up two LEDs inside MAPLE. The researchers were able to light up one LED at a time by shifting the transmissions between the receivers, demonstrating the accuracy of the array. MAPLE also has a window that can allow the transmitters to beam energy to a target outside the spacecraft, like Earth.
“In the same way that the internet democratized access to information, we hope that wireless energy transfer democratizes access to energy,” Hajimiri said in the release. “No energy transmission infrastructure will be needed on the ground to receive this power. That means we can send energy to remote regions and areas devastated by war or natural disaster.”
The ability to wirelessly transmit solar power from space has huge implications for renewable energy, so much so that Japan plans to start using it by the mid-2030’s. A Japanese research team is looking to pilot the technology in 2025 with a public-private partnership.
As humanity’s growing need for energy continues, a powerful solution like space-based solar power collection and transmission could be a huge step in the right direction. Space-based power collection would be able to operate 24-hours a day—whereas night pauses ground-based solar power collection—and would be to able to beam power to remote or disaster-stricken areas, assuming they have the requisite infrastructure.
A US federal court this week gave final approval to the $50 million class-action settlement Apple came to last July resolving claims the company knew about and concealed the unreliable nature of keyboards on MacBook, MacBook Air and MacBook Pro computers released between 2015 and 2019. Per Reuters (via 9to5Mac), Judge Edward Davila on Thursday called the settlement involving Apple’s infamous “butterfly” keyboards “fair, adequate and reasonable.” Under the agreement, MacBook users impacted by the saga will receive settlements between $50 and $395. More than 86,000 claims for class member payments were made before the application deadline last March, Judge Davila wrote in his ruling.
Apple debuted the butterfly keyboard in 2015 with the 12-inch MacBook. At the time, former design chief Jony Ive boasted that the mechanism would allow the company to build ever-slimmer laptops without compromising on stability or typing feel. As Apple re-engineered more of its computers to incorporate the butterfly keyboard, Mac users found the design was susceptible to dust and other debris. The company introduced multiple revisions to make the mechanism more resilient before eventually returning to a more conventional keyboard design with the 16-inch MacBook Pro in late 2019.
That’s right: New Zealand’s Civil Aviation Authority is asking that its national airline weigh passengers departing on international flights from Auckland International Airport through July 2, 2023.
The program, which Air New Zealand calls a passenger weight survey, is a way to gather data on the weight load and distribution for planes, the airline said.
“We weigh everything that goes on the aircraft – from the cargo to the meals onboard, to the luggage in the hold,” Alastair James, the airline’s load control improvement specialist said in a statement. “For customers, crew and cabin bags, we use average weights, which we get from doing this survey.”
Still, weight is a personal thing that not everyone wishes to disclose. In order to protect individuals’ privacy, the airline says it has made the data anonymous.
This is pretty relevant because the standard passenger weight is given in tables which are slightly outdated. So if there are > adult 30 passengers, they are expected to weigh 84kg each including hand luggage. Holiday charters can calculate using 76kg. Baggage is expected to be 13kg within the EU. These figures seem extremely light to me.
[…] Researchers at firmware-focused cybersecurity company Eclypsium revealed today that they’ve discovered a hidden mechanism in the firmware of motherboards sold by the Taiwanese manufacturer Gigabyte,
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the hidden code is meant to be an innocuous tool to keep the motherboard’s firmware updated, researchers found that it’s implemented insecurely, potentially allowing the mechanism to be hijacked and used to install malware instead of Gigabyte’s intended program. And because the updater program is triggered from the computer’s firmware, outside its operating system, it’s tough for users to remove or even discover.
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In its blog post about the research, Eclypsium lists 271 models of Gigabyte motherboards that researchers say are affected.
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Gigabyte’s updater alone might have raised concerns for users who don’t trust Gigabyte to silently install code on their machine with a nearly invisible tool—or who worry that Gigabyte’s mechanism could be exploited by hackers who compromise the motherboard manufacturer to exploit its hidden access in a software supply chain attack. But Eclypsium also found that the update mechanism was implemented with glaring vulnerabilities that could allow it to be hijacked: It downloads code to the user’s machine without properly authenticating it, sometimes even over an unprotected HTTP connection, rather than HTTPS. This would allow the installation source to be spoofed by a man-in-the-middle attack carried out by anyone who can intercept the user’s internet connection, such as a rogue Wi-Fi network.
In other cases, the updater installed by the mechanism in Gigabyte’s firmware is configured to be downloaded from a local network-attached storage device (NAS), a feature that appears to be designed for business networks to administer updates without all of their machines reaching out to the internet. But Eclypsium warns that in those cases, a malicious actor on the same network could spoof the location of the NAS to invisibly install their own malware instead.
A former employee of Amazon.com’s Ring doorbell camera unit spied for months on female customers in 2017 with cameras placed in bedrooms and bathrooms, the Federal Trade Commission said in a court filing on Wednesday when it announced a $5.8 million settlement with the company over privacy violations.
Amazon also agreed to pay $25 million to settle allegations it violated children’s privacy rights when it failed to delete Alexa recordings at the request of parents and kept them longer than necessary, according to a court filing in federal court in Seattle that outlined a separate settlement.
The FTC settlements are the agency’s latest effort to hold Big Tech accountable for policies critics say place profits from data collection ahead of privacy.
The FTC is also probing Amazon.com’s $1.7 billion deal to buy iRobot Corp (IRBT.O), which was announced in August 2022 in Amazon’s latest push into smart home devices, and has a separate antitrust probe underway into Amazon.
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The FTC said Ring gave employees unrestricted access to customers’ sensitive video data: “As a result of this dangerously overbroad access and lax attitude toward privacy and security, employees and third-party contractors were able to view, download, and transfer customers’ sensitive video data.”
In one instance in 2017, an employee of Ring viewed videos made by at least 81 female customers and Ring employees using Ring products. “Undetected by Ring, the employee continued spying for months,” the FTC said.
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In May 2018, an employee gave information about a customer’s recordings to the person’s ex-husband without consent, the complaint said. In another instance, an employee was found to have given Ring devices to people and then watched their videos without their knowledge, the FTC said.
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rules against deceiving consumers who used Alexa. For example, the FTC complaint says that Amazon told users it would delete voice transcripts and location information upon request, but then failed to do so.
“The unlawfully retained voice recordings provided Amazon with a valuable database for training the Alexa algorithm to understand children, benefiting its bottom line at the expense of children’s privacy,” the FTC said.
