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Smart shirt keeps tabs on heart + Drone-delivered defibrillator + Internet apocalypse

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Drone-delivered defibrillators may help save cardiac arrest patients
https://www.upi.com/Health_News/2021/08/...630336688/

INTRO: A good Samaritan can save the life of someone in cardiac arrest if a portable defibrillator is nearby. Now, a pilot study suggests a new way to get the devices into bystanders' hands: drones.

The study, done in Sweden, found that drone delivery was a feasible way to get automated external defibrillators, or AEDs, to the scene of a cardiac arrest. In fact, the drones typically beat ambulances by a couple of minutes.

Since those minutes can mean the difference between life and death, the early findings are encouraging, researchers said. However, drone-delivered AEDs are far from prime time.

"This points to a non-traditional route for addressing a problem we've had for a long time," said Dr. Jennifer Silva, a member of the American College of Cardiology's Health Care Innovation Council. "In general, I love the concept of using technological advances to improve the way we practice medicine," said Silva, who was not involved in the study.

In this case, she said, the findings suggest it's possible to deliver AEDs by drone. But the big question, Silva stressed, is whether that can ultimately make a difference in cardiac arrest victims' outcomes... (MORE)


A bad solar storm could cause an “Internet apocalypse”
https://arstechnica.com/science/2021/08/...pocalypse/

INTRO: Scientists have known for decades that an extreme solar storm, or coronal mass ejection, could damage electrical grids and potentially cause prolonged blackouts. The repercussions would be felt everywhere from global supply chains and transportation to Internet and GPS access. Less examined until now, though, is the impact such a solar emission could have on Internet infrastructure specifically. New research shows that the failures could be catastrophic, particularly for the undersea cables that underpin the global Internet.

At the SIGCOMM 2021 data communication conference on Thursday, Sangeetha Abdu Jyothi of the University of California, Irvine presented "Solar Superstorms: Planning for an Internet Apocalypse," an examination of the damage a fast-moving cloud of magnetized solar particles could cause the global Internet. Abdu Jyothi's research points out an additional nuance to a blackout-causing solar storm: the scenario where even if power returns in hours or days, mass Internet outages persist.

There's some good news upfront. Abdu Jyothi found that local and regional Internet infrastructure would be at low risk of damage even in a massive solar storm, because optical fiber itself isn't affected by geomagnetically induced currents. Short cable spans are also grounded very regularly. But for long undersea cables that connect continents, the risks are much greater. A solar storm that disrupted a number of these cables around the world could cause a massive loss of connectivity by cutting countries off at the source, even while leaving local infrastructure intact. It would be like cutting flow to an apartment building because of a water main break.

"What really got me thinking about this is that with the pandemic we saw how unprepared the world was. There was no protocol to deal with it effectively and it's the same with Internet resilience," Abdu Jyothi told WIRED ahead of her talk. "Our infrastructure is not prepared for a large-scale solar event. We have very limited understanding of what the extent of the damage would be." (MORE - details)


‘Smart’ shirt keeps tabs on the heart
https://www.eurekalert.org/news-releases/926874

INTRO: There’s no need to don uncomfortable smartwatches or chest straps to monitor your heart if your comfy shirt can do a better job. That’s the idea behind “smart clothing” developed by a Rice University lab, which employed its conductive nanotube thread to weave functionality into regular apparel.

The Brown School of Engineering lab of chemical and biomolecular engineer Matteo Pasquali reported in the American Chemical Society journal Nano Letters that it sewed nanotube fibers into athletic wear to monitor the heart rate and take a continual electrocardiogram (EKG) of the wearer. The fibers are just as conductive as metal wires, but washable, comfortable and far less likely to break when a body is in motion, according to the researchers.

On the whole, the shirt they enhanced was better at gathering data than a standard chest-strap monitor taking live measurements during experiments. When matched with commercial medical electrode monitors, the carbon nanotube shirt gave slightly better EKGs... (MORE)

https://youtu.be/YZbcSGvwu4Y

https://www.youtube-nocookie.com/embed/YZbcSGvwu4Y
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