![]() ![]() This characteristic is due to the interaction between a given material’s electrical and mechanical properties. The latter of the two is characterized by a unique feature referred to as the electromechanical effect. The most typical examples of smart materials widely employed in different areas are shape memory alloys and piezoelectric materials, as shown in Figure 1. These smart materials possess some attributes, which can be altered desirably under a controlled environment through temperature, stress, and an electric or a magnetic field, which act as external stimuli. Numerous research efforts have focused on the direction of applications of smart materials in engineering structures. As a result, this review can provide a guideline for the scholars who want to use PEH’s for their research. A discussion has been provided as a critical review of current challenges in this field. Then a summary of previous studies based on PEH’s other applications is listed, considering the technical aspects and methodologies. In addition, the fundamental idea about piezoelectric materials, along with their modeling for various applications, are detailed systematically. In this review article, a detailed study focused on the piezoelectric energy harvesters (PEH’s) is reported. This phenomenon builds an electric potential across the material. ![]() The fundamental component of the energy harvester is the piezoelectric material, which, when subjected to mechanical vibrations or applied stress, induces the displaced ions in the material and results in a net electric charge due to the dipole moment of the unit cell. Because of their excellent mechanical-to-electrical and vice versa energy conversion properties, piezoelectric materials with high piezoelectric charge and voltage coefficient have been tested in renewable energy applications. The piezoelectric materials have shown key characteristics for engineering applications, such as in sensors and actuators for industrial use. In the last three decades, smart materials have become popular. ![]()
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Work is also underway to finalize the creation of the Puerto Rico 5G Zone, which essentially makes the island a testing ground for the latest 5G technology coordinating with labs throughout the U.S. In fact, a recent study ranked Puerto Rico 21 out of 142 jurisdictions with the highest average internet speeds, outpacing 121 other countries, including the mainland U.S. The island also relies on an island-wide Information and Communications Technology (ICT) infrastructure, including 31 internet providers and three 5G providers. “Rest assured, we have reliable access to high-speed internet and 5G for mobile to steadily support Zoom calls, running multiple cloud-based platforms, and communication tools like Slack for your day-to-day remote work environment.” “That’s one of the main concerns people have coming to Puerto Rico: ‘Am I going to stay connected?’ We have high-speed internet, and it has been fine here,” McGue said. and rest of the world – because as an island, it has had to stay connected for years, the livelihoods of the three million plus residents largely depend on it. ![]() There are also the same legal and intellectual property protections, which are particularly critical to the innovative tech entrepreneurs.Īnd despite persisting misconceptions following Hurricanes Irma and Maria, Puerto Rico has an underrated infrastructure resilient enough to stay connected with the U.S. territory, the island is governed by federal law, meaning there’s no need for work visas or waivers. The large community of innovators found in Puerto Rico is supported by a unique mix of start-ups, incubators, and shared co-working environments with the amenities to support a tropical lifestyle all while requiring none of the hassle of international work or travel.Īs a U.S. “I think there’s going to be physical movement of people coming out here more and more and with that comes talent,” McGue said.Įntrepreneurial Ecosystem and the ICT Infrastructure Overseeing HigherMe’s own human resources as well as helping clients with theirs, McGue sees remote opportunities in Puerto Rico as an opportunity for businesses and remote workers that aren’t tethered to office space or geography post-pandemic. McGue, who moved her family to Puerto Rico full time after stints in the San Francisco Bay Area and Denver, Colorado, represents shifts in remote work driven by technology that were underway prior to the pandemic, but accelerated dramatically during the crisis. “I’m able to be 10 times more productive because I’m in a very calm environment.” I definitely have that here,” said McGue. “Especially through this pandemic it’s really important to ground yourself. Or I drive a couple of minutes and go experience the ocean for a minute just to calm myself,” said McGue, who works remotely as Director of People and Partnerships for HigherMe, a scrappy hiring software start-up based on the mainland United States that specializes in the high-turnover restaurant and retail sectors. I look outside, take a break and walk out and get some vitamin D. So, she jumps in her car, and in a matter of minutes she’s looking at the ocean. Sitting in her home about 30 minutes outside San Juan, Puerto Rico, there are some days Samantha McGue needs a break from work. By Brian Bourgerie, Enterprise Manager focusing on Innovation, Investment and Entrepreneurship for Invest Puerto Rico ![]() ![]() ![]() If pressure control must be managed remotely (e.g. It usually involves springs to apply constant force to the diamond anvil seats. In its simplest form the pressurizing mechanism can be a screw or several screws. The pressurizing mechanism is simply a means of adjusting the distance between the diamonds and keeping them in that position. The vast majority of DAC cells can be held in a single hand if not the palm of one's hand, thus DACs are very portable and relatively inexpensive to manufacture. All cells also contain a pressurizing mechanisms. Cell bodies may include circulating gas to cool the diamonds or have ports to allow light, or x-rays etc. The cell keeps diamonds positioned and allows the experiment to be mounted on anything from an optical microscope to a synchrotron beam line. There are cells specialized for room temperature, cryogenic or heated experiments, ultra high pressure, radial or axial diffraction, spectroscopic studies, fluid studies etc. If the anvils are not perfectly aligned very high stresses can occur in the diamonds that will probably cause the anvils to fracture.Ĭell designs are as diverse as the types of experiments that are conducted in them. In some cell designs, the seats may be mounted on half spheres or another mechanism that allows their orientation to be adjusted so that the faces of the opposing anvils are perfectly parallel to each other (figure 2). Depending on the application the seats may also need to be x-ray transparent. If the DAC is heated the seats must be resistant to creep at high temperatures. The diamond anvils sit on "seats." The seats must be made of a strong material as they transmit the load from rest of the cell to the diamonds. Rhenium is commonly used for the gasket, but Kapton, Cu, Be are also used. Gaskets are typically prepared by driving the diamonds into a thin sheet metal and then drilling a tiny hole through the indented portion of the gasket. The steep pressure gradient discussed above is contained in the gasket which spares the sample. The gasket is used to contain the sample, especially if the sample is composed of or surrounded by a fluid. ![]() The gasket is a thin sheet of material that has a small hole about ½ diameter of the cutlet face – typically <500 microns. Loading a DAC requires a good binocular scope and a very steady hand. However, if it encounters static charges enroute to the cell, the sample can also suddenly fly off, never to be seen again. ![]() Thus samples can be manipulated by adhering to the tip of a fine needle or fiber. At this size, the electrostatic attraction of surfaces is much greater than gravitational attraction. This presents some logistical challenges loading them into the cell. The size of DAC samples is of necessity very small. To alleviate the stress in the sample and to preserve the defect state of sample, gaskets and confining media are now frequently used. Since many physical properties are impacted by defect microstructure and the state of stress, many early studies were marred by this drawback. liquids) or for research questions where a sample needs to be in a quasi hydrostatic stress state or if the defect microstructure is important. This arrangement does not work well for samples that cannot support shear σ (e.g. The pressure at the center of the sample is supported by extreme shear stress within the sample and friction between the sample and the diamond face. However, because the edges of the sample are at 1 atmosphere, there is a tremendous pressure gradient within the sample. The center of the sample will be at high pressure. Once compressed, such a sample will generally become a circular film about 30μm thick. As mentioned above, the simplest sample consists of a powder trapped between the two anvils. Since diamonds are quite inert, a wide range of substances may be examined. Samples that can be examined using the DAC include both solids and liquids and can be virtually anything that won't damage the diamond faces. Image courtesy of Steve Jacobsen at Northwestern University ![]() ![]() ![]() ![]() So for those Windows users looking for a powerful machine a fraction of the size of those big Windows towers, this is something to seriously consider. MacBook Pro 16 (Intel i7, AMD Radeon Pro 5300M)Īlthough you can build a much more powerful Windows PC for less money, there is nothing quite like the Mac Studio in the world of Windows desktops. ![]() No more are the days of huge PC towers with fans to rival a jet engine, the fans on the Mac Studio are very quiet, on the rare occasion they came on, I barely even noticed them, even when pushing the system. The fact that a chip as powerful as the M2 Ultra can be found inside something this small is amazing. The Mac Studio is very compact, measuring only 3.5 liters in volume, and also almost worryingly light. The build will be very familiar to anyone who has used the Mac Studio before, the whole computer is a small unassuming silver box that is similar in design to two Mac Minis stacked on top of each other and is also in the same design family as the Apple TV. Then airflow comes through the base of the Studio to keep it cool, even when the new chips are pushed to their limits. The Studio also has the latest in wireless connections with Wi-Fi 6E and Bluetooth 5.3.ĭespite all the impressive new chips and abundant connections, the Mac Studio has a super compact design and easily fits under the Apple Studio monitor to take up minimal space on a desk. The Mac Studio also offers extensive connectivity for peripherals and external memory, on the front there are two Thunderbolt 4 ports, and a UHS-II XCSD card slot, while on the rear of the Studio, there is an additional four Thunderbolt 4 ports, a 10Gb Ethernet connection, two USB-A ports, HDMI port. (Image credit: Gareth Bevan / Digital Camera World) ![]() ![]() ![]() Var idartboardBackgroundType = stringIDToTypeID("artboardBackgroundType") ĭesc521.putInteger(idartboardBackgroundType, 3) ĭesc520.putObject(idartboard, idartboard, desc521) ĭesc520.putInteger(idchangeBackground, 1) ĮxecuteAction(ideditArtboardEvent, desc520, DialogModes. Ref129.putEnumerated(idlayer, idordinal, idtargetEnum) Where and how is it used Now Here, inside the tools, there is one tool given along with move tool which we will call as an artboard tool. In today's session we shall learn about art board tool. ![]() Var idchangeBackground = stringIDToTypeID("changeBackground") 1x 16k Overview FAQs Reviews Overview Friends, in the last session of Photoshop, we had learnt completely about the move tool. Var idartboard = stringIDToTypeID("artboard") To turn this into an Artboards file, all you need to do is have your layer selected. Var idtargetEnum = stringIDToTypeID("targetEnum") So lets say we started it without turning it into an Artboard. Var idordinal = stringIDToTypeID("ordinal") Var ideditArtboardEvent = stringIDToTypeID("editArtboardEvent") Axe the Artboard Tool Photoshop CC Tip by Jen White on Septemwith 4 Comments Calling all Photoshop shortcut lovers Stop getting stuck with that annoying Artboard tool. Once installed in the apps presets/scripts folder, it will become available in Edit/Keyboard Shortcuts where a custom keycut can be applied for easy access (or you could record the script into an action for use with a mapped F-key). Right-click your selection and choose Quick Export As image format from the context menu. With the layer you want to center selected and the marquee tool active. Select the layers, layer groups, or artboards you want to export. One of the most frequent tasks I do in Photoshop is moving layers so theyre in. The following script will set the active artboard to transparent. To access the Quick Export As option, do either of the following: Navigate to File > Export > Quick Export As image format. ![]() ![]() ![]() Scott? Speaking of, you can’t expect to go through a Q&A here and not spill some details on those sex scenes. JB: Lol- Of course I do! I love playing James and think that she is a great character.Ģ) Do you think Lt. MyNameIsNada writes: “Yeah for a Q&A with Julia! Her are some questions:ġ) Do you think Lt. However my sister works in the stock market and is up every day at 5 am so I am cautious to complain! I always call her on my way to set just to tell her I am up! I think I had to set my alarm for 4:30 one day and that was the earliest. JB: Whenever you are shooting a series you will definitely have early calls. Have you had any ludicrously early calls to set as yet? Hopefully in Season 2 she gets to keep developing her strength.ģ. She definitely started to break down with the loneliness and isolation. JB: In Season 1 we saw James struggle to find her place on the Destiny. How do YOU think James has grown or changed over the course of S1? I did a ton of reading about the different ranks and tried to get a good grasp of the mental state and the discipline that I would have in my life to be in this role.Ģ. I have a family member that was in the Canadian Army so that was a great resource for me. ![]() JB: For me the most important aspect of the research was to find out as much as I could about being in the military. What sort of research did you do for this role? As an actor I have loved any opportunity to do fight scenes and stunts so I would love her to continue in that direction.ġ. Like all of us her confidence goes in and out, but James is a fighter and she has a ton of strength in her. And then I would like to see her succeed at that. JB: I would love to see James put in a position where she really has to step up and be a leader. What are your aspirations for Lt James in Season 2? He makes the best pasta ever, second only to the pasta I have had in Italy!ħ. My go-to is Chicken Parmesan, with Marscapone pasta. JB: I love to cook! My family is full of amazing chefs and I was the last to jump on board. Do you like to cook? If so what’s your fave dish to make? I was a waitress, a terrible waitress at that! I was 16 and I think people felt sorry for me, because I got amazing pity tips! LolĦ. The first Joe job that I had was at a restaurant in West Vancouver called Trolls. I guest starred in an episode in the first season with SGU’s Patrick Gilmore! JB: First Acting Job was on a show called Tru Calling. What was the first job you ever had? – Acting or non-acting. I can’t give away too much back story as we have yet to explore that on the show, but I will say that James has had some challenges to face in her life.ĥ. Mark Burgess who plays Franklin was so amazing to act with. I sense a backstory there, like she’s been the primary carer for someone in her past. I loved the scene of James looking after Franklin in Sabotage. It would obviously be different if his relationship with Chloe wasn’t in her face constantly.Ĥ. Regardless of what the exchange was for Scott, James developed feelings for him. I see it as a normal reaction exacerbated by the fact that she’s in close proximity to them in a stressful situation. Some people are surprised at James’ reaction to losing Scott to Chloe. JB: Jamil, just for bragging rights! He’s not only in incredible shape but we have a fun banter with each other and it would be awesome to bug him about something like that! Lolģ. Which cast member would you most like to beat in an arm wrestling contest? I did some kickboxing to toughen up physically and just recently I have been taking kickboxing classes with Sharon Taylor from Stargate Atlantis. I find it helps with the weight training. When I got the role of James, I did start working out with a trainer. That is definitely my favorite form of exercise. JB: I am always changing up my workout routine, otherwise I get bored! But I have a chocolate lab that I run with almost daily. What’s your workout routine? Did that change when getting the role of Lt James? It’s not surprising that, between the time I announced this Q&A and today’s entry, Julia picked up the Leo Award for Best Supporting Performance by a Female in a Dramatic Series.Ĭongratulations to Julia on the win, and a big thank you for taking the time to field our questions.ġ. Take Julia Benson (SGU’s Lieutenant Vanessa James) for example, an actress who started off strong in the opener and just keeps getting better, delivering everything from throwaway humor (Space) to emotional intensity (Pain) with the skill and professionalism of a seasoned performer many years her senior. And, on many occasions, even though you’re expecting them to excel, they still manage to surprise and delight. You go in to each script – or game – confident in the talent you’re working with, solid starters and a deep, deep bench that never lets you down. Producing Stargate: Universe is not unlike coaching an immensely talented sports franchise. ![]() ![]() This time, while her flank is initially blank, it begins to sport random cutie marks, changing each time Apple Bloom turns around. The entire Apple family shuns her for not having an apple-related cutie mark and throws her out of the house. This time, when she comes down to breakfast, she finds that she has a crude dolphin cutie mark. Apple Bloom returns to the clubhouse, but she finds that Sweetie Belle and Scootaloo now have their own cutie marks and want nothing to do with the cutie mark-less Apple Bloom.Īpple Bloom wakes up in bed again, feeling rather unsettled. Apple Bloom again runs off into the dark forest, where the dark figure again offers to remove the cutie mark. Overjoyed, Apple Bloom rushes off to show it to Sweetie Belle and Scootaloo, but when they see she got her cutie mark before them, they expel her from the Crusaders. Relieved, she goes downstairs, only to find that she now has a different cutie mark, for potion-making. Just as the twittermites begin to target her, Apple Bloom wakes up to find it was only a dream. She tries to use the pest control equipment, but without the cutie mark, she is unable to capture them. With the unwanted cutie mark removed, Apple Bloom happily returns to Ponyville, only to find the town overrun with twittermites. There, a dark figure offers to remove Apple Bloom's cutie mark. After Diamond Tiara and Silver Spoon mock Apple Bloom's lowly job, she tosses a jar of twittermites aside, unknowingly allowing them to escape, and flees into the forest. Apple Bloom learns quickly but is not very pleased with her new job. He shows Apple Bloom how to catch twittermites, swarming bugs that can generate lightning. When Apple Bloom comes down for breakfast the next morning, she discovers that she got her cutie mark overnight! Apple Bloom is excited, but neither she nor Applejack can identify the cutie mark until a strange old stallion walks in and informs them that it's the mark of a pest controller, a difficult job that he's all too eager to pass on to Apple Bloom. She eventually manages to fall asleep after Applejack comforts her, saying that everything will be fine after a good night's sleep. The thought suddenly frightens Apple Bloom, who worries about it well into the night. Apple Bloom calls a meeting of the Cutie Mark Crusaders together at their clubhouse to announce something special: Babs Seed has received her cutie mark (a pair of scissors)! As the Crusaders wonder about what it could mean for Babs, Sweetie Belle mentions the prospect of getting stuck with an undesirable cutie mark. ![]() ![]()
![]() ![]() ![]() Cloud services: Snowflake uses a set of services such as metadata, security, access control, security, and infrastructure management.Users can also specify which databases in the storage layer a particular virtual warehouse has access to. It allows users to isolate workloads within particular virtual warehouses. Compute: Snowflake uses massively parallel processing ( MPP) clusters to allocate compute resources for tasks like loading, transforming, and querying data.It allows users to organize information in databases, as per their needs. Storage: Snowflake uses a scalable cloud storage service to ensure a high degree of data replication, scalability, and availability without much manual user intervention.Snowflake’s architecture has the following three components: Snowflake uses a new multi-cluster, shared data architecture that decouples storage, compute resources, and system services. Snowflake’s decoupled storage, compute, and services architecture enables the platform to automatically deliver the optimal set of IO, memory, and CPU resources for each workload and usage scenario. Nor do they need to maintain costly oversized data warehouses that remain mostly underutilized. Snowflake also automatically creates another compute cluster instance whenever one cluster is unable to handle all incoming queries-and starts balancing loads between the two clusters-so you never need to worry about downtime or slow performance.īecause Snowflake can scale on-demand capacity and performance as needed, data teams no longer need to run upfront capacity planning exercises. But with Snowflake, you can create separate virtual warehouses for each team, allowing all stakeholders to quickly get the answers they need. Running all these queries on one compute resource cluster would create competition for resources, slowing query performance for both teams. Your product team may want to understand engagement and retention, while your marketing team may want to understand acquisition costs and customer lifetime value. Workloads can include use cases such as batch data processing to interactive analytics to complex data pipelines.Ĭonsider a typical scenario where teams want to run different queries on customer data to answer various questions. It can automatically scale up/down its compute resources to load, integrate, and analyze data.Īs a result, you can run virtually any number of workloads across many users at the same time without worrying about resource contention. Snowflake is a cloud data warehouse that can store and analyze all your data records in one place. ![]() |
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