วัสดุใหม่นี้อาจทำให้เราสามารถเชื่อมต่อสมองเข้ากับระบบ AI ได้แล้วในอนาคต
This new material may allow us to connect brain to AI system in the future.Translated
นักวิทยาศาสตร์ค้นพบวัสดุใหม่ที่อาจช่วยเหลือในการเชื่อมต่อสมองมนุษย์เข้ากับ AI
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ในงาน the American Chemical Society Fall 2020 virtual expo ได้มีการประกาศการค้นพบใหม่ที่น่าสนใจและน่าตื่นเต้นเป็นอย่างมาก กับวิทยาการที่เป็นก้าวใหม่ที่จะเชื่อมต่อสมองของมนุษย์เข้ากับปัญญาประดิษฐ์หรือ AI เพื่อพัฒนาการครั้งใหม่ของมนุษย์
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ที่ผ่านมาการเชื่อมต่อสมองเข้ากับเข้ากับอุปกรณ์ไฟฟ้าถือเป็นปัญหาใหญ่เนื่องจากวัสดุทั่วไป ๆ สร้างแผลเป็นและอาการแพ้ให้กับสมองเมื่อถูกเชื่อมต่อ และแผลเป็นดังกล่าวถือเป็นตัวขัดขวางสำคัญในการส่งสัญญาณไฟฟ้าระหว่าง Computer และเนื้อเยื่อในสมอง
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นักวิจัยจากมหาวิทยาลัย Delaware ได้เอาชนะปัญหาดังกล่าวด้วยความช่วยเหลือของวัสดุประเภทพอลิเมอร์ในชื่อ Pedot โดยเจ้า Pedot มีความสามารถรองรับการเชื่อมต่อระหว่างสมองเข้ากับ Computer โดยไม่สร้างแผลเป็นหรืออาการระคายเคือง โดยอาศัยการใช้เทคนิค Anti-static Coating เพื่อป้องกันไฟฟ้าสถิต
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ที่ผ่านมา Pedot ยังถูกใช้ในการรักษาโรคทางระบบประสาทสมองและหลอดเลือดอีกด้วย
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ในปัจจุบันมีบริษัทและสำนักวิจัยหลายแห่งพยายามพัฒนาเทคโนโลยีการเชื่อมต่อสมองเข้ากับ Computer ที่โด่งดังที่สุดในตอนนี้ก็น่าจะเป็น Neuralink ของ Elon Musk
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ที่มา: https://www.independent.co.uk/…/artificial-intelligence-bra…
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#GamingDose #AI
Scientists discover new materials that may help connect the human brain to AI.
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At the American Chemical Society Fall 2020 virtual expo, a highly interesting and exciting new discoveries with the new step-by-step science to connect human brain to artificial intelligence or AI to develop a new human development.
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In the past, connecting the brain to the electrical device was a big problem as common material creates scar and allergies to the brain when it is connected. And the scar is an important obstacle to signal electricity between computer and brain tissue.
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Researchers from Delaware University have overcome such problems with the help of Polymer material in Pedot. Pedot has the ability to support brain connection to Computer without scarring or irritation. Using Anti-static Coating technique to prevent static static coating.
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Pedot was also used to treat neurological and cardiovascular diseases.
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Currently, many companies and researchers are trying to develop the most famous brain connection technology to Computer. Now, it's likely Elon Musk's Neuralink.
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Source: https://www.independent.co.uk/life-style/gadgets-and-tech/news/artificial-intelligence-brain-computer-cyborg-elon-musk-neuralink-a9673261.html
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#GamingDose #AITranslated
同時也有4部Youtube影片,追蹤數超過2萬的網紅hksubwoofer,也在其Youtube影片中提到,鱷魚夾線常用於暫時性電路連接,亦可用於製作模型時夾緊要上色部份 坊間雖然有售已焊接好電線的鱷魚夾,但懂得DIY焊接的話,不僅節省成本,亦可按須要選擇不同線徑和線長,從而用來連接不同電流的電子產品 影片中還有開線皮教學,同時示範利用開線鉗、剪鉗及剪刀脫掉電線外皮,影片最後利用鱷魚夾測試一顆DC 1...
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electrical connection 在 Lee388 Hi Fi 發燒專頁 Facebook 的精選貼文
Alumine Five of Stenheim
Stenheim is a relatively late entrant to the high-end speaker field. It was founded in 2010 by a collective of mainly ex-Goldmund engineers, and its products have inherited an unmistakable aesthetic and, to a lesser extent, sonic DNA, although it was a significantly evolved character that was to emerge in the shape of the debut model, the compact, two-way Alumine Two. It’s a developmental divergence that has continued and, if anything, accelerated with the emergence of each subsequent product. The latest Stenheim speakers, developed under the auspices of new owner Jean-Pascal Panchard, definitely have their own, unambiguous identity, both visually and musically.
I’ve been seriously looking forward to the arrival of the Alumine Five. Previous experience with the brand has included impressive exposure to the various versions of the enormous and enormously impressive Ultime Reference models, as well as a brief but highly rewarding flirtation with the stand-mounted Alumine Two in my own system. The possibility of combining the sense of musical articulation, enthusiasm and communication I experienced from the Alumine Two, with more than a hint of the clarity, scale and authority so effortlessly delivered by the Reference models, all in a package that, if not exactly affordable, at least isn’t completely out of the question, makes the Alumine Five a distinctly interesting proposition.
Yet, confronted with the Alumine Five in the flesh, there’s little to hint at the extraordinary promise lurking within. Resolutely rectangular in true Stenheim style, the Five’s aluminum cabinet, with its plate-to-plate construction, stands just 48" tall, 15" deep and presents a broad 11" face to the world, dimensions based on golden-ratio numbers. The front baffle is split by a physical break between the upper midrange-treble enclosure and the lower bass cabinet, independently ported by the laminated full-width slots above and below, a physical separation that is mirrored by the contrasting inlaid strips that help visually break up the one-piece side panels. The regular lines, smooth surfaces, flawless matte finish and lack of visible fixings could easily result in a bland, almost featureless appearance. But those trim strips and the offset midrange and treble drivers do just enough to give the Five a subtle hint of individual style without resorting to the sort of gauche and ostentatious flourishes that so often pass as design.
The result is a refreshingly clean, classical appearance that will blend seamlessly with a range of different decors. Despite the lack of grilles (although they are available as an option, does anybody really spend this kind of money on a speaker and then compromise the performance by fitting covers?), the beautifully profiled baffle and absence of visible fixings makes for a genuinely neat, finished appearance that matches the superb surface finish on the cabinet. The end result just looks right, in a way that makes you wonder why you’d want grilles anyway.
The first hint of its potent sonic capabilities comes when you try to pick it up. Each comparatively compact cabinet tips the scales at 220 pounds. That’s a grunt-inducing, two-man lift. Now, take a look at the figures for bandwidth and sensitivity, and an in-room response that digs down as far as 28Hz combined with 94dB efficiency should raise your eyebrows, especially given the compact cabinet dimensions. Which brings us to the first experiential disconnect: boxes this size shouldn’t produce this much bass or do it so easily. Nor should they weigh so much -- although therein lies the clue to this particular conundrum. When it comes to bass extension, it’s not the external dimensions of the box that matter, but its internal volume. Just like the Crystal Cable Minissimo, a thin-wall cabinet makes for a much larger internal volume than the external dimensions might suggest -- especially if we apply the expectations of more conventional wood-based construction. Throw in the sheer weight of the aluminum panels and the combination of mass and physical dimensions would subconsciously suggest massively thick walls -- and a correspondingly limited internal volume. Instead, what we have here is a deceptively large volume, which, combined with the inertia of the heavy cabinet and the mechanical stability provided by the material, makes for an effective mechanical reference for driver movement, meaning that more of the energy your amplifier sticks into the speaker comes out as sound and (at least in theory) it will be more precisely rendered.
So far, not very much that’s new. It’s not like Stenheim (or Magico, or YG Acoustics) has exclusivity when it comes to aluminum cabinets. But what does make Stenheim different is the unique material they use in damping their cabinet panels. Of course, the separate enclosures and the internal baffles they demand make for an inherently heavily braced structure, but look inside a dismantled Alumine Five and you’ll find strategically placed pads stuck to the cabinet walls. These three-layer, self-adhesive pads combine a heavy damping layer (adjacent to the cabinet wall itself) with added foam and impervious layers, allowing the low-volume pads to influence both the mechanical behavior of the cabinet itself and the enclosed volume. It’s an interesting solution because it manages to overcome the weakness so often audible in simple, braced aluminum cabinets (the all-too-recognizable resonant signature of the material itself) while maximizing the benefits (large volume and rigidity) by obviating the need to stuff the internal space full of wadding or long-haired wool. In fact, if the Stenheims were stood behind a sonically transparent curtain, you’d be hard-pressed to recognize the music as emanating from an aluminum cabinet at all. The absence of the bleached, grainy or lean colorations, the lack of sterile, mechanistic reproduction, is one big half of the Stenheim story, living, breathing proof that it’s not what you use but how you use it that counts.
The other half is down to the drive units, and after the cabinets, those come as quite a surprise, both the lineup and the chosen materials. In stark contrast to the use of the latest, precision CNC techniques, complex damping pads and finishing options, the Alumine Five's drivers are as traditional as they come, with a coated silk-dome tweeter and pulp or laminated paper midrange and bass drivers. The cone drivers use textile double-roll surrounds and massive magnets more normally found in pro-audio applications, and while Stenheim doesn’t build its own drivers, the company works closely with its chosen supplier (PHL, definitely not one of the usual suspects) to specify the electrical parameters, mechanical characteristics and precise details of the surface coating.
The use of such lightweight cone materials and large motors aids the system efficiency, while a hybrid second-order/Linkwitz-Riley crossover, the result of extended listening and evolution, ensures phase coherence and excellent out-of-band attenuation and makes for easy non-reactive load characteristics, despite the three-way topology. The other aspect of the driver lineup that might be considered slightly unusual is the use of a large-diameter (6 1/2") midrange unit -- although less so since Vandersteen’s patent on the approach lapsed some years ago, resulting in a rash of companies suddenly exploring the possibilities of the topology.
Perhaps more important, in the case of the Alumine Five, it means that you are getting the tweeter and midrange drivers from the Ultime Reference series speakers, teamed here with a pair of 10" woofers but without the benefit of a super tweeter. Even so, Stenheim quotes bandwidth out to 35kHz, which should suffice for most purposes. The review speakers arrived with the optional second set of terminals installed, allowing for biwiring or, more significantly, biamping, an upgrade opportunity that makes this an option you should take. If, in the meantime, you are single-wiring the speakers, make sure you factor in a set of jumpers that match your speaker cables: the Alumine Five's overall sense of musical coherence makes the benefits especially obvious. Likewise, good wiring practice is essential, both in terms of cable dressing and diagonal connection (red to midrange/treble, black to bass, with jumpers arranged accordingly).
Aside from the speaker's substantial weight, the parallel sides and flat surfaces of the four-square cabinet make setting up the Fives an absolute joy. Precise, repeatable, angular adjustments are easily achieved, while changes in attitude are just as straightforward, helped by the beautifully profiled stainless-steel spiked feet and deeply cupped footers. Both the cones and their locking rings have nice, large ports to take the supplied pry bars, but it’s worth greasing the threads before installation. One other thing to watch out for: the spikes are seriously (refreshingly) sharp -- sharp enough to penetrate a thick rug and score the floor below, so be careful where you stand the speakers once the feet are installed. Final positioning disposed the speakers on a broad front with minimal toe-in. When it came to dialing in their considerable musical energy, the most critical factor proved to be height off the ground, with tiny adjustments of the spikes making profound differences to the weight and pace of the presentation. Likewise, equal weighting of the four spikes was crucial to a proper sense of grounded weight and dynamic authority.
........................................................
Price: $60,000 per pair.
Warranty: Five years parts and labor.
(Source: The Audio Beat)
electrical connection 在 貓的成長美股異想世界 Facebook 的最佳解答
[Software is eating the world.......now, APIs are eating software]
最新一期的財富(Fortune)雜誌, 刊登了一篇跟API有關的上市公司. 這幾家公司的漲幅頗大(請見圖.)
What is API? From維基:
"應用程式介面,又稱為應用編程介面,就是軟體系統不同組成部分銜接的約定。由於近年來軟體的規模日益龐大,常常需要把複雜的系統劃分成小的組成部分,編程介面的設計十分重要。程式設計的實踐中,編程介面的設計首先要使軟體系統的職責得到合理劃分。"
"APIs, or application programming interfaces, are pieces of technology that act as bridges between software applications. APIs enable connection, like electrical outlets porting to power grids: They’re the conduits through which data flows and interacts. “There’s been this saying for the longest time that software is eating the world,” says Rishi Jaluria, an analyst at D.A. Davidson & Co. Now, he says, “APIs are eating software.”
好可怕, 原來對科技不熟的我, 這幾隻我竟然都有聽過. 還研究過其中兩家(突然覺得歐巴桑也可以走在時代的尖端😅......這就是玩股票的好處, 可以增廣見聞, 又不退流行. 希望以後也不會得老人癡呆..........)
文章連結&圖片來源:
http://fortune.com/2019/03/21/investing-api-company-stock/
electrical connection 在 hksubwoofer Youtube 的最讚貼文
鱷魚夾線常用於暫時性電路連接,亦可用於製作模型時夾緊要上色部份
坊間雖然有售已焊接好電線的鱷魚夾,但懂得DIY焊接的話,不僅節省成本,亦可按須要選擇不同線徑和線長,從而用來連接不同電流的電子產品
影片中還有開線皮教學,同時示範利用開線鉗、剪鉗及剪刀脫掉電線外皮,影片最後利用鱷魚夾測試一顆DC 12V LED天花射燈。
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electrical connection 在 CarDebuts Youtube 的最佳貼文
Honda เผยโฉม CR-V Hybrid (ฮอนด้า ซีอาร์วี ไฮบริด) รุ่นปี 2018 ที่ใช้ขุมพลังเบนซิน 2.0L i-VTEC i-MMD และ 1.5L VTEC Turbo ในงาน 2017 Frankfurt Motor Show
Honda is set to unveil its CRV Hybrid Prototype at the 2017 Frankfurt Motor Show, previewing the brand’s first-ever electrified SUV powertrain available in Europe. The Hybrid Prototype also features revised styling that previews the forthcoming European specification CR-V model range.
The CR-V Hybrid Prototype represents the first time that the all-new CRV has been shown at a European motor show. It retains the familiar silhouette of the world’s best-selling SUV, with an evolutionary design that is sophisticated and sporty. Wider, taller and longer than the previous version, the Hybrid Prototype of the new CR-V has fresh exterior styling, with a wider stance through the broader, muscular wheel arches.
The new SUV achieves a balance of elegance and athleticism, with thinner A-pillars that increase the shoulder volume of the car, but also a larger wheel and tyre combination. Sharper contours are present on the bonnet and rear quarters, and the nose incorporates the latest Honda family ‘face’ with its signature headlight graphic.
The two-motor i-MMD (Intelligent Multi-Mode Drive) system in the CR-V Hybrid Prototype comprises an electric propulsion motor, a 2.0-litre i-VTEC four-cylinder Atkinson cycle gasoline engine for electrical energy generation and propulsion, and a separate electric generator motor. The hybrid system does not need a conventional transmission, fitted instead with a single fixed-gear ratio that creates a direct connection between moving components, enabling a smooth transfer of torque within the system.
The i-MMD system determines how to use fuel and electrical energy in the most efficient way, meaning there is no requirement on the driver to adjust between the three driving modes; EV Drive, Hybrid Drive and Engine Drive.
In EV Drive, the propulsion motor draws its power solely from the batteries, delivering zero-emissions driving. In Hybrid Drive, the gasoline engine supplies power to the electric generator motor, which in turn delivers power to the electric propulsion motor. In this mode, excess power from the gasoline engine is diverted back via the generator motor to recharge the battery pack. In Engine Drive, the wheels are directly driven by the gasoline engine, with an ‘on-demand’ peak power ‘boost’ available from the electric propulsion motor.
In most urban driving situations, the vehicle will move between Hybrid Drive and EV Drive for optimum efficiency. Engine Drive is engaged as needed for brisk acceleration and for efficient highway driving.
The 2018 CR-V will also be specified with Honda’s 1.5 litre VTEC TURBO petrol engine, with a choice of either 6-speed manual or continuously variable ‘CVT’ transmission. All-new CR-V will not feature a diesel powertrain in European markets.
More details about the all-new Honda CR-V for Europe will be confirmed when the production specification vehicle is unveiled early next year. The new SUV will be officially launched in European markets in 2018.
electrical connection 在 Adam Lobo TV Youtube 的精選貼文
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