Saturday, November 24, 2018

Should You Buy A New Car? Read This First

Automakers are offering some of the best deals on a new car this weekend. So should you buy a new car between now and Cyber Monday?
Before you do, take a minute to ponder the future of transportation. You probably don't spend too much time thinking about how you get around. Your choices are simple: You own a car. When you fly somewhere, you rent one or call an Uber.
But that's about to change dramatically.
The line between leasing and owning, between sharing and renting, is about to become blurred beyond recognition. In a not-too-distant future, autonomous vehicles, car sharing and new subscription models will radically change the way you travel, say experts. Auto manufacturers, car rental and sharing companies can see this future on the horizon. More importantly, so do travelers (and I count myself among them).
should you buy a new car

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Should you buy a new car?

So, should you buy a new car?
To get an idea of what's about to happen, spend a little time with car rental consultant Neil Abrams.
"We're in a transformative stage in the car rental industry," he recently told me. "The old way of doing business has ended."
Abrams says these moves are signs of a more sweeping change that's about to overtake the $30-billion-a-year car rental business. It will result in what only a few years ago was unthinkable: a radical new transportation paradigm, where sharing, subscriptions and leasing are preferred over ownership. In that world, cars will drive themselves and Apple, General Motors, Hertz, and Google will be in the same business.
"Things are evolving at a very accelerated rate," he added.
Chris Brown, the publisher of BusinessFleet magazine, says the evidence of change is all around us.
"Much of the news has shifted from the vehicles themselves to the services auto manufacturers are offering around the vehicles," he explained.
Indeed, the L.A. Auto Show is now called AutoMobility LA. He noted that the auto industry would reportedly lose 300,000 to 400,000 new vehicle sales next year. New services, such as vehicle subscriptions, satellite connectivity and personal drivers, suggest a migration is under way from building vehicles to providing services.
should you buy a new car

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Are Americans falling out of love with the automobile?

Attitudes toward driving are shifting, too. A new survey by Arity, a mobile technology company, suggests people aren't as tied to their cars, and to car ownership, as they once were. Drivers spend an average of only 6.7 hours per week driving, clocking an average of only 107 miles per week. Fully one-third of drivers say the amount of time they spend sitting in the car is "very frustrating," and more than half say they would rather spend time doing more productive tasks than driving.
Everyone seems to be hopping on board this trend, from companies such as Clutch, Carma Car and Flexdrive, which develop both technology that supports dealerships and vehicle subscription services, to major car manufacturers, including Audi's On Demand, Ford's Canvas, GM's Maven and Volvo’s Care by Volvo. I covered these services and their applications to travelers in a recent USA Today column.
"Subscription car services make a lot of sense," says Susan Shaheen, a University of California Berkeley expert on transportation systems. "We've already moved from an ownership model to the access model in mobile phones, movies and music -- and now cars."
should you buy a new car

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Rental and sharing companies see changes ahead

Car rental companies have also taken a different approach. Some have seen the trend coming for a long time.
Back in 1997, Enterprise Holdings -- which owns Alamo Rent a Car, Enterprise Rent-A-Car, and National Car Rental -- trademarked the term "virtual car." By "virtual" it meant drivers could have access to a car when they needed it, for however long they needed it, without owning a vehicle.
"We recognized even back then what was happening," Enterprise spokeswoman Laura Bryant told the trade publication Automotive News. "It doesn't matter whether you rent for an hour, a day, a week, a month. It's all the same to us. It's just a different product, but in the end, we're delivering a virtual car when and where you need it."
Car sharing companies see the future in a similar way. Turo also expects car ownership to decline as more people rent or share vehicles. But ownership will not disappear. Instead, those who own cars will be able to maximize the return on their investment, which means the car will no longer be a depreciating asset sitting in their driveway.
"There will be less car ownership," says Steve Webb, a spokesman for Turo. "But the ownership will be more economically sound."
should you buy a new car

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Travelers are cooling to wasteful car ownership

The most interesting shift, though, is happening on the consumer side -- which, in a sense, is the only one that really matters. As the Arity survey suggested, drivers are unhappy with the way they use their cars. I spend all day listening to drivers through my nonprofit consumer advocacy site, and I hear the same thing.
If I could sum up their frustrations, here's how I would put it: They're tired of feeling as if they have to buy the latest model, which looks an awful lot like last year's model. They feel as if having the vehicle sit in their driveway, regularly demanding tributes of car insurance, maintenance and taxes, is a waste of money and resources. They believe there are more efficient, less expensive, ways of getting around.
And they don't want to buy a new car.
My attitude toward mobility has changed, too. I spent almost an entire year without a car and relied on rentals and car sharing to get from point "A" to point "B." It felt liberating. At the end of the year, I tried to sign up for one of the vehicle subscription services, but they were not available in Arizona at the time.
I now own a Honda CR-V. I'm sure it will be my last car.
should you buy a new car

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Why you shouldn't buy a new car

So what, exactly, will the future look like for transportation? Is it a network of autonomous cars that you pay for per use? A collection of cars that are owned by individuals, but available for sharing? A fleet of rental vehicles to which you could subscribe? It could be all of these -- or a combination of them -- that define your future transportation options.
No one knows what the future of transportation will look like, only that it will be radically different from today. It isn't really a question of what will happen, but when.
All of which brings us back to the original question -- should you buy a new car or not? Having spoken with many transportation experts, and watching how consumers have changed the way they think about mobility, I would carefully consider any purchasing decision. Self-driving vehicles are just around the corner, and they represent a quantum leap in automotive technology. Electric vehicles are close to going mainstream, too. Buying a new car now might be an investment in old technology unless you plan to turn your car into a revenue-generating machine through a platform like Turo.
Maybe this is a good year to wait and see what will happen next.

Tuesday, November 20, 2018

folding smartphones are not a dream anymore!

Infinity Flex Display: Samsung folding smartphone is here, a technology that was thought to be futuristic, is already here!

After weeks of spoilers, Infinity Flex display has finally been presented during the Samsung Developer Conference 2018
infinity flex display

A FIRST SIGHT

As you can see in the images, it’s a raw device, with thick layout and squared borders, but.. man it’s a folding device!
At a first sight it may seem a simple, outdated 7.3 inches tablet, but it is not.
You can easily fold it just like when you close your wallet and put it in your pocket jeans, and yes, it turns into a normal smartphone!
As announced by Samsung, this brand new device may run till 3 applications opened, at the same time. The display is made of two screens, and one of them is subdivided into other two parts.
The folding capability is given by a new plastic material used to build the screen. It gives the possibility to fold it over and over again, without noticing any signs of deformation.
Even though it is just a prototype, Samsung is fully convinced that it will be able to begin mass production within some months (and we believe them, it’s Samsung after all…)
If this AIO ( all in one ) device will be popular, the market of tablets will definitely go down. Who will be prone to buy just a tablet, when you can have also a handy smartphone?

TECHNICAL CONSIDERATIONS

Will it really be able to keep display consistency after thousands of opening-closing actions?
If all the components are located only in the bigger part, will they overheat?
Will the display show any signs of wear and tear, time passing by?
We will be able to answer these, and other questions only when it will be available in the market, so we can only wait (with a bit of hype) that moment!

Monday, November 19, 2018

Keep Your PC In Safe Hands

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iPhones are Allergic to Helium

This is the kind of tale that you don’t hear every day. Erik Wooldridge is a Systems Specialist at Morris Hospital near Chicago. During the installation of a new GE Healthcare MRI machine, he started getting calls that cell phones weren’t working. Then, some Apple Watches started glitching.
“My immediate thought was that the MRI must have emitted some sort of EMP, in which case we could be in a lot of trouble.” But an electromagnetic pulse would have taken out medical equipment in the facility as well, and they were working fine! He started investigating, and learned that every single impacted device was made by Apple—the technician’s Android phones were fine. And it was a wide-sweeping issue, impacting 40 different devices. What the heck?
I’ve seen a lot of strange glitches in my time, and I’ve never heard of something like this. Neither had Erik. “The behavior of the devices was pretty odd. Most of them were completely dead. I plugged them in to the wall and had no indication that the device was charging. The other devices that were powering on seemed to have issues with the cellular radio. The wifi connection was consistent and fast, but cellular was very hit or miss.”
That’s when he posted the issue to Reddit, where other sysadmins speculated that it might be caused by the liquid helium used to cool the MRI machine. So he investigated, and found there was a helium leak at the same time that vented into the building.
“I discovered that the helium leakage occurred while the new magnet was being ramped [down to cool it]. Approximately 120 liters of liquid [helium] were vented over the course of 5 hours. There was a vent in place that was functioning, but there must have been a leak. The MRI room is not on an isolated HVAC loop, so it shares air with most or all of the facility. We do not know how much of the 120 liters ended up going outdoors and how much ended up inside. Helium expands about 750 times when it expands from a liquid to a gas, so that’s a lot of helium (90,000 L of gaseous He).” I bet the nurse’s voices were higher pitched that day!
The devices started to slowly recover after the initial incident, but not completely. “We did have a few abnormal devices. One iPhone had severe service issues after the incident, and some of the [Apple Watches] remained on, but the touch screens weren’t working (even after several days.)”
He performed some triage, categorizing devices by type. “Models of iPhones and Apple Watches afflicted were iPhone 6 and higher, and Apple Watch Series 0 and higher. There was only one iPhone 5 in the building that we know of and it was not impacted in any way. The question at the time was: What occurred that would only cause Apple devices to stop working?”
This piqued my interest, and I reached out to some friends that make ‘MEMS’ silicon. These microelectromechanical systems are some of the smallest mechanical apparatuses in the world. Every phone has gyroscopes and accelerometers with micrometer-thin elements. My initial theory, shared by some on Reddit, was that the helium molecules were small enough to get inside these vacuum-sealed chips and interfere with the mechanical workings.
But there are two problems with this idea: One, Apple isn’t alone in using MEMS gyroscopes—every phone has them. Why weren’t the Android phones affected? Perhaps there’s a bug in iOS that causes crashes when it gets faulty data from the gyro? But the bug impacted Apple Watches, too—and they run WatchOS. Additionally, iPhones earlier than the 6 weren’t affected. It seems unlikely that this was a new software bug that impacted both iOS and WatchOS.

Inside a MEMS gyroscope, from our iPhone 4 Gyro Teardown.
So what else could it be? Well, at the heart of every electronic device is a clock. Traditionally, these are quartz oscillators, crystals that vibrate at a specific predictable frequency—generally 32 kHz. When they were first invented, they enabled the first digital ‘quartz’ watches. Now, these frequency generators are at the heart of every electronic device.
Without a clock, the system stands still. The CPU flat out doesn’t work. The clock is literally the heartbeat of a modern device.
But quartz oscillators have some problems. They don’t keep time as well at high (and low) temperatures, and they’re a relatively large component—1×3 mm or so. In their quest for smaller and smaller hardware, Apple has recently started using MEMS timing oscillators from a specialized company called SiTime to replace quartz components.

A MEMS oscillator, as seen through an electron microscope.
Specifically, they’re using the SiT512, ‘the world’s smallest, lowest power 32 kHz oscillator.’ And if the MEMS device was susceptible to helium intrusion, that could be our culprit!
A failing oscillator would match Erik’s symptoms, which he reproduced in an experiment. “I placed an iPhone 8 Plus in a sealed bag and filled it with helium. This wasn’t incredibly realistic, as the original iPhones would have been exposed to a much lower concentration, but it still supports the idea that helium can disable the device. In the video I leave the display on and running a stopwatch for the duration of the test. Around 8 minutes and 20 seconds in the phone locks up. Nothing crazy really happens. The clock just stops, and nothing else. The display did stay on though.”
I was able to repeat his experiment in our lab. My iPhone 8 lasted about four minutes in a helium atmosphere before it shut off entirely.
Sure enough, Apple’s user guide for the iPhone and Apple watch admits this is a problem:
“Exposing iPhone to environments having high concentrations of industrial chemicals, including near evaporating liquified gasses such as helium, may damage or impair iPhone functionality. … If your device has been affected and shows signs of not powering on, the device can typically be recovered.  Leave the unit unconnected from a charging cable and let it air out for approximately one week. The helium must fully dissipate from the device, and the device battery should fully discharge in the process.  After a week, plug your device directly into a power adapter and let it charge for up to one hour.  Then the device can be turned on again.” (Emphasis added.)
Hydrogen and helium are notoriously hard to contain because their molecules are so small. It sounds like this is a problem that SiTime has been working to solve for a while. I found this on their FAQ, “How effective is the hermetic seal of MEMS oscillators?”
Previous generations of EpiSeal resonators may have been impacted by large concentrations of small-molecule gas. Newer EpiSeal resonators are impervious to all small-molecule gases. Please contact SiTime in case you are planning to use a SiTime device in large concentrations of small-molecule gas, so that we can recommend an appropriate, immune part.” (Emphasis added again.)
I was curious if this would impact other kinds of MEMS devices, so I reached out to InvenSense Motion, the company who makes the image stabilizing chip in the Pixel 3. David Almoslino, their Senior Director of Corporate Marketing, confirmed that it was an issue. He told me that their products “can be somewhat susceptible to helium. Helium can diffuse through the fusion bond oxide and cause the cavity pressure to increase. In our pressure sensors, helium could cause the absolute accuracy to temporarily degrade. In our gyro sensors, helium could cause the offset to drift and could cause the oscillation to temporarily stop. In any [accelerometer] sensors, helium should have very little impact. All our InvenSense parts should recover once removed from any helium environment.”
Of course, the reason that you’ve never heard of this before is because it’s such a rare situation. But silicon manufacturers are aware of it and do what they can to minimize the problem. David told me that “A helium leak test is a pretty standard MEMS test done by most companies to assess vacuum packages.”
So that’s it! Like an incredibly tiny grain of sand, the helium molecules are small enough to get inside the device, physically stop the clock, and turn your phone temporarily into a paperweight.

The iPhone XR is the iPhone 9 we never had

The iPhone XR is the iPhone 9 we never had

If you’re wondering what happened to the iPhone 9, we found it: It’s dressed up as the iPhone XRInside the XR's brawny new bezel, we found an old-school rectangular battery, a modular SIM tray, and... 

iPhone XR in motion
If you’d rather watch than read on this lazy Halloween, here’s the sped-up video version of our teardown.

XR-cise your iPhone XR

What lies beneath that Liquid Retina display? Get a good look at the iPhone XR's guts with these free teardown wallpapers.

Feds issue sweeping Right to Repair reforms

The Copyright Office has spoken: Consumers now have permission to break DRM and software locks in the name of repair. This is a huge victory for the Right to Repair movement.
Fact: iPhones are allergic to helium 
This is not a trick—our CEO tells the tale of how an MRI machine knocked out a bunch of iPhones! 

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