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publié le 6 mai 2018 Beauté › Ongles et mains

Alongside that is either 16, 32, or 64GB of storage, which is minimal, but not a crippling flaw when Chrome OS mostly runs through the web.Beyond that, Acer says the device will get up to 12 hours of battery life, and will include the necessary USB-C, USB 3.0, and HDMI ports. The device is said to weigh 3.28 pounds and measure 0.61 inches — that’s a bit heavier than a MacBook Air, but also a little bit thinner. Either way, it shouldn’t be a burden.The whole thing will start at $400, which would be relatively affordable if everything holds up. We’ll have to spend some hands-on time with the Chromebook R13 to see if its keyboard, build and general performance work out, but at least on paper, this is closer to what you should be looking for in a Chromebook from here on out.Lithium might be the energy of the future. And lithium might be in the midst of an epic price bubble. Or, both of these might be true.Lithium is nature’s lightest solid element, and is one of the most abundant metals in the earth’s crust. Once processed, it can be used in everything from ceramics to grease. It’s even used to treat bipolar disorder. But that’s not why The Economist magazine recently called lithium “the world’s hottest commodity.”

A soft, silver-white metal, lithium can store a huge amount of extractable energy in a small space. It stores twice as much energy as the next-best energy storage material, nickel-cadmium. This makes it one of the best metals to use in rechargeable batteries. If you own a laptop, smartphone or iPad, chances are it uses a lithium-ion battery.The market for lithium-ion batteries is forecast to grow from US$25 billion a year in 2015 to US$40 billion a year by 2020. That’s partly thanks to the growing number of smartphone users. But the real growth in demand for lithium stems from its central role in electric vehicles (EVs). A smartphone battery only uses a few grams of lithium, but a lithium-ion battery for an electric car uses about 10 kilograms.For this reason, investment firm Goldman Sachs recently labelled lithium “the new gasoline.” They predict demand for lithium will triple by 2025. Others predict it will at least double.Tesla Motors gets all the media attention when it comes to electric cars. The company is aiming to sell 500,000 cars a year by 2018, and 1 million a year by 2020. Last year, Tesla CEO Elon Musk said, “In order to produce a half million cars per year… we would basically need to absorb the entire world’s lithium-ion production.”

Traditional automobile companies, including BMW and Audi, are also developing electric cars. Apple and Google are even trying to gain a share of the market and develop their own brands of EVs. Over the next two years, 25 new makes and models of electric cars are expected to be released.Much of the growth in demand for electric cars is expected to continue to come from China, which already consumes about 20 percent of global lithium production. China’s pollution problem means that it’s looking for ways to use less fossil fuels, like gasoline. China now accounts for 68 percent of the global lithium battery market, and 55 percent of the world’s electric cars – totaling 379,000 – were produced in China.But the EV market is still tiny. According to a feature in Bloomberg, electric cars only make up one-tenth of one percent of the total car market today. But as the price of lithium-ion batteries falls (it was down 35 percent last year), the price of electric cars will drop as well. That’s because batteries currently make up a third of the cost of electric cars. One forecast calls for 35 percent of all car sales to be electric vehicles by 2040.

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An industry group report noted that lithium carbonate (which is the most common lithium compound) was already in short supply in the fourth quarter of 2015, which caused prices to soar. Global lithium carbonate output increased by 12.3 percent to 202,800 tons in 2015, and is forecast to grow by at least 18 percent a year until 2018, the report said.Even with higher costs for lithium, battery costs will still decline because all the other components that go into making a battery are getting cheaper. And as more batteries are produced, and companies get more efficient at making them, the per unit cost will continue to drop.But the growth in supply is not expected to match the growing demand. One forecast calls for the world’s lithium demand to be 25 percent higher than supply by 2020.Lithium, which is mostly recovered from underground deposits of brine and then refined, isn’t traded on an exchange, so its price isn’t as easy to track as most other commodities. As a result, it’s hard to get an accurate idea of what has been happening to lithium prices with this increasing demand.

But industry reports from China suggest that the price of lithium carbonate (the key raw material for lithium production) rose from 40,000 yuan (US$6,150) per tonne at the beginning of 2015, to 100,000 yuan (US$15,350) per tonne by the end of the year. It’s now trading at 130,000 yuan (US$20,000) per tonne. That’s a 225 percent spike in prices in just over a year.As shown below, that compares to a 6 percent gain in the price of gold and silver, a 10 percent drop in the price of oiland copper prices tumbling 27 percent over the same time period.Lithium is a great story. It also looks like it’s in the midst of a bubble. Anticipated demand for electric cars has not yet materialized. It’s difficult to predict how quickly consumers will embrace EVs. The development of an EV battery that doesn’t use lithium, or one that uses less, would hurt lithium prices.And whenever the price of a commodity more than triples in a year, and when magazines and banks trip over each other to anoint an asset “the next big thing,” it’s probably overheated and due for a sharp fall.

If you disagree and think the lithium bubble has further to run, one way to invest is through the Global X Lithium ETF (NYSE; ticker: LIT). Its holdings include several lithium producers, as well as other securities including Tesla Motors and Samsung, which are major lithium battery users. If you’re afraid of sharp share price swings, you might want to avoid this. But if you’re inclined, use a tight stop loss.Read the original article on Stansberry Churchouse Research. This is a guest post by Stansberry Churchouse Research, an independent investment research company based in Singapore and Hong Kong that delivers investment insight on Asia and around the world. Click here to sign up to receive the Asia Wealth Investment Daily in your inbox every day, for free. Copyright 2016. Follow Stansberry Churchouse Research on Twitter.Picking out a laptop isn't easy. It's hard to really understand whether or not a computer is right for your needs until you've actually used it for a while.

Maybe it's a bit more clunky than you thought when you carry it in your bag during a commute. Perhaps the screen is too reflective for your liking when you're watching Netflix. And worst of all, what if the battery life is much shorter than you expected?We've researched some of the best laptops on the market and combed through reviews to at least give you some of the best options to choose from. Apple sent invitations to the press for a September 7 product launch event, where it's expected to announce the next iPhone model and possibly a new version of the Apple Watch.The event will be held at the Bill Graham Civic Auditorium in San Francisco at 10 a.m. Pacific.To those who follow Apple's product launch patterns, this year's event will be different than any other iPhone unveiling. Apple typically works on a "tick-tock" cycle for iPhone releases, with the "tick" model introducing a fresh design and the "tock" adding incremental improvements the following year. This year was supposed to be a "tick" year.

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But according to numerous reports, leaked photos, and industry gossip, this year's iPhone (let's just call it the iPhone 7 for now) is expected to look nearly identical to the iPhone 6S, but with a larger camera, redesigned antenna lines, and no headphone jack.The iPhone is already having a down year, with sales declining for the first time in the product's nine-year history. There's little indication that a modest change to the iPhone 7's design can reinvigorate sales.Meanwhile, Apple has gone on a major press blitz this month, with executives giving interviews to Fast Company, The Washington Post, and Backchannel, causing some, like Stratechery's Ben Thompson, to speculate the company is trying to jump ahead of the narrative that there's no room for Apple to grow.Early reports also say Apple is holding out until 2017, the iPhone's 10th anniversary, to shake things up. Those reports, from The Wall Street Journal and Bloomberg, say Apple is considering a radical new all-glass design, a better screen technology called OLED, and a fingerprint sensor embedded in the display as a way to remove the home button.

As for the Apple Watch, KGI Securities analyst Ming-Chi Kuo, who has an excellent track record predicting new Apple products, says the new model will look very similar to the current one, but will have improvements in battery life and new sensors like a barometer and GPS. Kuo said to expect the new Apple Watch this fall, but wasn't clear on whether it would be unveiled at the same time as the iPhone 7 or later in the year.There's one other major product in Apple's pipeline: a redesigned MacBook Pro laptop. But Bloomberg's Mark Gurman reports that the new MacBook Pro will be announced separately from the iPhone 7. So don't expect any news on that until at least October.Business Insider will be covering Apple's event live, so make sure to come back for all the news, photos, videos, and analysis.Microsoft just unveiled its first-ever laptop, the Surface Book. It's essentially a new member of the Surface family that's geared more toward those who prefer a full-time laptop rather than a tablet.I only had a few minutes to test the Surface Book, but during my limited time it seemed like an excellent device that's equipped to compete with any high-end laptop.It has the same premium metal design Microsoft has given its Surface Pro tablets, but it's better at performing like a laptop when you need it.

The device itself is sleek and light. You can disconnect the screen if you want to use it solely as a tablet, but even when it's connected to the keyboard it felt lightweight. The screen connects to the keyboard via five magnets, and you need to press an eject button on the keyboard to tell the device that you'd like to disconnect. This worked well in practice — each time I disconnected the tablet, it ejected seamlessly.The connection is extremely secure, too. A Microsoft employee held the laptop by its screen while it was attached to the keyboard, and it didn't show any sign of weakness.You can also attach the tablet to the keyboard backwards so that you can fold the tablet over the keyboard. Even in this state, which Microsoft calls drawing mode, the Book felt pretty light. I held the device in one arm while I sketched on it, and it didn't feel burdensome. The Surface Book addresses the primary reason I never opted for Surface Pro in the past — its keyboard. Although Microsoft's new keyboard case for its Surface Pro tablets is sturdier and improved, the Surface Book's keyboard is on a whole different level. The metal keyboard deck is just as sturdy and robust as the one you'd find on a MacBook Pro. The keys feel deep and comfortable to type on as well.

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