If you have an iPhone that can run iOS 18, you can now download and install the public beta of iOS 18.2. One of the most useful new features is the capability to share the location of a lost item connected to Apple's Find My network with a third party. You can already share an item's location with people in your contacts list, but Apple says this could help in instances wherein you have to rely on the help of a stranger.

When you choose "Share Item Location" in the Find My app on iPhone, iPad or Mac, you'll get the option to share a link that shows the location of your missing item. The link's recipient will be able to open it on any device, and they'll also be able to see your Apple account email and/or phone number so that they can get in touch with you. You'll be able to see how many people visited the link, which expires after you're reunited with your lost belonging or after a week if you haven't found it by then.

Along with benevolent strangers, you'll be able to share the locations of misplaced AirTags and Find My accessories with select airlines. Apple has worked with several of them to integrate this feature into their systems. Only a small number of airline staff can access each Share Item Location link, and Apple says they'll first need to authenticate themselves with an Apple Account or partner email address.

More than 15 airlines will start supporting this feature in the coming months, including Aer Lingus, Air Canada, Air New Zealand, Austrian Airlines, British Airways, Brussels Airlines, Delta Air Lines, Eurowings, Iberia, KLM Royal Dutch Airlines, Lufthansa, Qantas, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic and Vueling. Apple says that more airlines will get involved over time to help track down mishandled or delayed bags.

Air transport tech company SITA is also incorporating Share Item Location into WorldTracer, its baggage-tracing system. According to Apple, this is used by more than 500 airlines and ground handlers at more than 2,800 airports.

Of course, installing beta software does have its downsides. There's a higher chance of running into bugs, and some apps or features might still not work as Apple had intended. If you don't mind and want to test iOS 18.2, you'll have to enable Beta Updates under Software Updates in your device's Settings menu. Apple is expected to roll out iOS 18.2 proper in December.

Meanwhile, as luck would have it, there's an early Black Friday deal on AirTags at the time of writing. You can scoop up a four-pack for a record low of $70.

Update, November 5 2024, 9:10AM ET: This story has been updated to clarify that these new features are in the developer beta of iOS 18.2. The public beta for that software isn't available just yet.

Update, November 11, 2024, 3:12PM ET: This story has been updated to include details of the airline integration and to note that a public beta of iOS 18.2 is now available.

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If you’ve ever tried to get a bandage to stick to your elbow, you understand the difficulty in creating wearable devices that attach securely to the human body. Add digital electronic circuitry, and the problem becomes more complicated. Now include the need for the device to fix breaks and damage automatically—and let’s make it biodegradable while we’re at it—and many researchers would throw up their hands in surrender.

Fortunately, an international team led by researchers at Korea University Graduate School of Converging Science and Technology (KU-KIST) persevered, and has developed conductor materials that it claims are stretchable, self-healing, and biocompatible. Their project was described this month in the journal Science Advances.

The biodegradable conductor offers a new approach to patient monitoring and delivering treatments directly to the tissues and organs where they are needed. For example, a smart patch made of these materials could measure motion, temperature, and other biological data. The material could also be used to create sensor patches that can be implanted inside the body, and even mounted on the surface of internal organs. The biocompatible materials can be designed to degrade after a period of time, eliminating the need for an invasive procedure to remove the sensor later.

“This new technology is a glimpse at the future of remote healthcare,” says Robert Rose, CEO of Rose Strategic Partners, LLC. “Remote patient monitoring is an industry still in its early stages, but already we are seeing the promise of what is not only possible, but close on the horizon. Imagine a device implanted at a surgical site to monitor and report your internal healing progress. If it is damaged, the device can heal itself, and when the job is done, it simply dissolves. It sounds like science fiction, but it’s now science fact.”

Self-healing elastics

After being cut a ribbonlike film was able to heal itself in about 1 minute.Suk-Won Hwang

The system relies on two different layers of flexible material, both self-healing: one is for conduction and the other is an elastomer layer that serves as a substrate to support the sensors and circuitry needed to collect data. The conductor layer is based on a substance known by the acronym PEDOT:PSS, which is short for Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate. It’s a conductive polymer widely used in making flexible displays and touch panels, as well as wearable devices. To increase the polymer’s conductivity and self-healing properties, the research team used additives including polyethylene glycol and glycol, which helped increase conductivity as well as the material’s ability to automatically repair damage such as cuts or tears.

In order to conform to curved tissues and survive typical body motion, the substrate layer must be extremely flexible. The researchers based it on elastomers that can match the shape of curved tissues, such as skin or individual organs.

These two layers stick to each other, thanks to chemical bonds that can connect the polymer chains of the plastic films in each layer. Combined, these materials create a system that is flexible and stretchable. In testing, the researchers showed that the materials could survive stretching up to 500 percent.

The self-healing function arises from the material’s ability to reconnect to itself when cut or otherwise damaged. This self-healing feature is based on a chemical process called disulfide metathesis. In short, polymer molecules containing pairs of linked sulfur atoms, called disulfides, have the ability to reform themselves after being severed. The phenomenon arises from a chemical process called disulfide-disulfide shuffling reactions, in which disulfide bonds in the molecule break and then reform, not necessarily between the original partners. According to the KU-KIST researchers, after being cut, their material was able to recover conductivity in its circuits within about two minutes without any intervention. The material was also tested for bending, twisting, and its ability to function both in air and under water.

This approach offers many advantages over other flexible electronics designs. For example, silver nanowires and carbon nanotubes have been used as the basis for stretchable devices, but they can be brittle and lack the self-healing properties of the KU-KIST materials. Other materials such as liquid metals can self-heal, but they are typically difficult to handle and integrate into wearable circuitry.

As a demonstration, the team created a multifunction sensor that included humidity, temperature, and pressure sensors that was approximately 4.5 square centimeters. In spite of being cut in four separate locations, it was able to heal itself and continue to provide sensor readings.

Implant tested in a rat

To take the demonstration a step further, the researchers created a 1.8-cm² device that was attached to a rat’s bladder. The device was designed to wrap around the bladder and then adhere to itself, so no adhesives or sutures were required to attach the sensor onto the bladder. The team chose the bladder for their experiments because, under normal conditions, its size can change by 300 percent.

The device incorporated both electrodes and pressure sensors, which were able to detect changes in the bladder pressure. The electrodes could detect bladder voiding, through electromyography signals, as well as stimulate the bladder to induce urination. As with the initial demonstration, intentional damage to the device’s circuitry healed on its own, without intervention.

The biocompatible and biodegradable nature of the materials is important because it means that devices fabricated with them can be worn on the skin, as well as implanted within the body. The fact that the materials are biodegradable means that implants would not need a second surgical procedure to remove them. They could be left in place after serving their purpose, and they would be absorbed by the body.

According to Suk-Won Hwang, assistant professor at KU-KIST, a few hurdles remain on the path to commercialization. “We need to test the biocompatibility of some of the materials used in the conductor and substrate layers. While scalable production appears to be feasible, the high cost of disulfide derivatives might make the technology too expensive, aside from some special applications,” he says. “Biocompatibility testing and material synthesis optimization will take one to two years, at least.”

Here’s how four different health systems are partnering with Microsoft to save time for clinicians.

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In the wake of the reelection of Donald Trump, some of the richest people in the world saw their net worths soar as stock prices rapidly shot up. “What was different about this election was how central billionaires were in the entire political discourse,” says The Lever's David Sirota, who joins Democracy Now! to discuss the outsized role of the super-rich in U.S politics, pointing out that both Trump and Kamala Harris campaigned heavily with billionaires, including Elon Musk and Mark Cuban. “These people are not giving money simply out of the goodness of their hearts. They want things. They have policy demands,” Sirota says. “The investors, the donors, like billionaires, are looking for a return on their investment.” Sirota, who previously worked as a communications adviser and speechwriter for the Bernie Sanders presidential campaign, also explains how Elon Musk's influence on Trump’s campaign is a preview of the power he could wield if he ends up appointed to the Trump administration.

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Announcement Number: SE-18-EI-00844-DE
Closing Date: 13 November 2018

Announcement Number: SE-18-EI-00844-MP
Closing Date: 13 November 2018

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