![]() The mosaic is not white balanced but is instead displayed in a preliminary calibrated version of a natural color composite, approximately simulating the colors of the scene that we would see if we were there viewing it ourselves.Īrizona State University in Tempe leads the operations of the Mastcam-Z instrument, working in collaboration with Malin Space Science Systems in San Diego.Ī key objective for Perseverance's mission on Mars is astrobiology, including the search for signs of ancient microbial life. At that distance and focal length, Mastcam-Z can resolve features as small as about 50 centimeters (1.6 feet) across along the front of the delta. ![]() The top of some of the distant crater rim is cut off in some images to ensure the images would cover the front ridge of the Jezero Crater's ancient delta, which is only about 1.25 miles (2 kilometers) away from the rover in the center of this panorama. The camera was commanded to take these images by scanning the mast, or "head," a full 360-degrees around the horizon visible from the landing site. 22, 2021) of the mission a sol is a Martian day. These images were taken on the afternoon of Sol 4 (Feb. ![]() Stitched together from 79 individual images, this Mastcam-Z right-eye 110-mm zoom mosaic is from the camera's first high-resolution panorama imaging sequence. These files may be too large to view from a browser they can be downloaded onto your desktop by right-clicking on the previous links and viewed with image viewing software. Photojournal Note: Also available is the full-width high-resolution file in TIF or PNG format, PIA23727_ultrawide.tif (93355 x 2127 pixels, 211 MB) or PIA23727_ultrawide.png (93355 x 2127 pixels, 161 MB).
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* Works offline - perfect for limiting data usage and remote users * Works for both product and service based businesses * Generate professional quotes, orders and invoices quickly Also quickly generate reports on unpaid invoices, payments, item sales, and more. Send out client statements, recurring invoices and late payment reminders to customers to keep the cash coming in. Generate professional quotes, orders and invoices that can be emailed or faxed directly from inside Express Invoice. It makes a good impression and does not put a strain on system performance, or affect other installed software.īy using Express Invoice Invoicing Software you are able to keep track of your customers, create invoices and orders for each client, and print reports for unpaid invoices, payments, and item sales.Express Invoice Free is an easy invoicing and billing app for business people on the go to easily create and track invoices, quotes and sales orders. 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When you need to create a new invoice, you must be aware that your current database must contain the customer you need to apply the invoice to. Then, choose to create a new invoice for an existing customer, apply for payments, and generate multiple reports. First thing first, you need to specify your business name and set details such as address and contact person. 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A free version is available for home users or businesses with fewer than 5 staff members.Įxpress Invoice Invoicing Software is a comprehensive and practical software solution worth having when you need to create, manage, and keep track of orders and invoices. ![]() ![]() The reporting functionality allows you to keep track of payments, overdue accounts, sales team performance, and more. This software lets you create invoices you can print, email, or fax directly to clients for faster payment. With this Invoicing Software, you can create invoices, quotes, and orders quickly! Automate recurring invoices and templates! Easily add multiple users and enable remote access. ![]() Express Invoice is the easiest system for creating and tracking quotes, orders, and invoices for your business. 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I originally made the key, using the few photographs that exist. Ian McColl's new replica (top left), non-Bramah replica (top right), Ian sized his cuff by enlarging a picture of the cuffs from one of his Houdini books, and estimating the size of the opening for the wrists. His third version used a shorter key, very similar in looks to the original keys, with a custom built locking mechanism at the keyhole end of the barrel. His second version was similar, but used a long Bramah (UK) key to operate a Bramah mechanism also at the end of the barrel. One used a long thin key to reach the locking mechanism at the end of the barrel. Ian made 3 variants of his cuff, all made of nickel plated brass. Chris used a picture made by a friend of his who drew around the original cuffs when he had the opportunity to examine them.Ĭhris Gower replicas with cylinder key (left) and cabinet key (right). Sizing the cuffs has always been difficult, and the 3 of us have approached this in different ways. One was cast from aluminium and used a small cabinet type key, and the other was made from heavier cast bronze, and used a Yale type key and locking mechanism. There have been 3 people that I know of, who have built replica Mirror Cuffs, Ian McColl in Australia, Chris Gower from the UK, and also from the UK, myself, Master Locksmith Mick Hanzlik.Ĭhris built 2 versions of his cuff. This replica was made by British silversmiths Hamilton & Co, and was presented to Houdini after he beat the challenge set by the Daily Illustrated Mirror newspaper. Well, the best known replica is made of solid silver and is in the David Copperfield collection, along with the originals, in his private museum in Las Vegas. ![]() Recently on WILD ABOUT HARRY there has been quite a bit of interest in Houdini’s Mirror Handcuff Challenge in 1904, and the question I’d like to answer here, is “How many replica Mirror Cuffs have been made?” Mick Hanzlik Mirror Handcuff replica with keys ![]() Today I'm honored to present a Guest Blog by Master Locksmith and Mirror Handcuff expert Mick Hanzlik. In the past I usually just put a lot of text around it trying to explain it with a few examples. However, trying to explain a chord diagram to a typical client I am working for always poses a challenge. One of my biggest pitfalls in terms of complex visualizations is that I keep trying to use chord diagrams whenever I work with a suitable dataset. Zoom in of the full chord diagram showing phone brand switching Chord diagram Especially the talk from Michael Freeman called “From Confusing to Convincing: A Framework for Using Animation and Storytelling to Bolster the Effectiveness of Interactive Visualizations” really helped me discover a new method to structure complex visualizations in such a way as not to intimidate, but to intrigue your audience. A theme that stood out this year was Storytelling with Data. Strata conferenceĪnd then I visited the Strata conference in Barcelona last November where I listened to a lot of interesting Design related talks. I wanted to create something to post, but a few rather busy projects at work and moving to a new home had a big impact on my creativity, as in, I was left with none…Įxceptionally happy and honored that this piece was chosen for the shortlist of the Data Journalism category in the 2015 Kantar Information is Beautiful Awards. ![]() It’s been way too long since my last post. ![]() Posted on DecemUsing “Data Storytelling” with a chord diagram ![]() Now You must create a folder in which you want to store the data. Now inside her we are going to click on the "+" button and click on "create new vault" ![]() Once the installation is done, they must run the application. While in order to install this utility in Arch Linux, Manjaro, and derivatives, just run the following command:Īnd that's it, they will have installed the application. It is currently in its version 1.3.2 and can be downloaded from this link.ĭone the download just install the package with your preferred package manager or from the terminal install with: In order to install Cryptomator on Fedora, CentOS, openSUSE or any derived system or with support for RPM packages, you need to download the RPM package that can be found directly on the project website. Now they must update the list of packages and repositories: Sudo add-apt-repository ppa:sebastian-stenzel/cryptomator If they are Users of Ubuntu, Linux Mint, Elemtary OS or any derivative of these, must add the following repository with the help of a terminal: In order to install this excellent utility on our systems, it is extremely necessary that you follow the instructions that we share below according to the Linux distribution you are using. ![]() While the vault that contains your encrypted data resides somewhere in the cloud folder, Cryptomator offers a virtual hard drive through which you can access your files, just like working with another system drive. The best feature of this program is the "virtual hard disk". To make this process very easy, there is a cross-platform utility called Cryptomator.Ĭryptomator has been specifically developed to encrypt files from cloud services like Dropbox, Google Drive, One Drive, and other cloud storage services.Įncryption is done on the local computer and then synced with the cloud, so even if data from the cloud is compromised, it is still encrypted. The cloud is evolving, and like any new technology, it takes a little time to adapt to it.įor now, the best option to protect your important data is to encrypt the files before they are uploaded to the cloud, which means encrypting on your computer before files are synced to the cloud. Celebrity accounts are known to be primary targets, but common people are of course an easier target for data and identity theft. Though the problem is directly based on a common theme in all the leaks, well exposed data is unencrypted. Either due to phishing or hacking attack. We’re proud to provide security and privacy for hundreds of thousands of users.Recently, there has been an increase in data leaks from the most popular cloud services. This app received the CeBIT Innovation Award 2016 for Usable Security and Privacy.
![]() Axial (a) and coronal (b) reformatted CT images (soft-tissue window) of a 71-year-old woman who had undergone spinal fusion surgery for scoliosis show that the bright and dark streaks from the pedicle screws (made of titanium) and rods (made of cobalt-chrome) obscure the depiction of adjacent tissues. Such data result in fine bright and dark streaks that appear preferentially along the direction of greatest attenuation, resulting in severe streaks on the reconstruction image ( Fig 2).įigure 2a. The result is that projection data with large statistical error are obtained ( 6, 7). This phenomenon is known as photon starvation. The x-ray beam becomes markedly attenuated after passing through metallic hardware, and insufficient numbers of photons reach the detectors. Because the probability of the photoelectric effect is proportional to the cube of the atomic number for a given x-ray energy, the absorption in metallic hardware is amplified relative to the absorption in the surrounding soft tissue. Metals have much larger atomic numbers than the atomic numbers for soft tissues. The probability of Compton scatter is usually constant for different energies, although it slowly decreases at higher energies ( 5). On the other hand, the probability of Compton scatter is essentially independent of Z. At the energy levels used for diagnostic imaging, the general relationship is that the probability of the photoelectric effect is proportional to ( Z/ E) 3, where Z is the atomic number, and E is the energy of the photons. The total rate at which photons interact with a material (attenuation coefficient value) depends on the individual rates associated with the photoelectric effect and Compton scatter. As a practical guide, the optimal MAR methods are discussed for frequently encountered clinical situations. Special attention is paid to the strengths and limitations of each method. Then, the theoretical basics of state-of-the-art artifact reduction techniques are described, emphasizing the important differences between the projection-based metal artifact reduction (MAR) technique and the dual-energy CT technique. In this article, the two major mechanisms of metal artifact generation, photon starvation and beam hardening, are thoroughly reviewed. Metal artifacts are caused by a combination of multiple mechanisms, including photon starvation, beam hardening, scattering, partial volume effects, undersampling, and patient motion ( 4). Relevant anatomic structures are often completely obscured by the artifacts, which increase the risk of missing relevant findings. This problem often leads to impaired image quality of the adjacent tissue as well as of the metallic implant itself. ![]() Artifacts caused by metallic implants, such as dental fillings, surgical clips, coils, wires, and orthopedic hardware, appear as bright and dark streaks across the reconstruction image ( 3). Metal-related artifacts have limited the diagnostic value of computed tomographic (CT) images since the early days ( 1, 2). Radiologists should be more familiar with the clinical and technical features of each method and should be able to choose the optimal method according to the clinical situation. In clinical practice, although MAR algorithms can be applied after image acquisition, the decision whether to apply dual-energy CT for the patient usually needs to be made before image acquisition. Dual-energy CT provides synthesized virtual monochromatic images at different photon energy (kiloelectron volt) levels, and virtual monochromatic images obtained at high kiloelectron volt levels are known to reduce the effects of beam hardening. The dual-energy CT technique is characterized by data acquisition at two different energy spectra. MAR algorithms primarily suppress artifacts that are due to photon starvation. Projection-based metal artifact reduction (MAR) algorithms act in projection space and replace corrupted projections caused by metal with interpolation from neighboring uncorrupted projections. To improve image quality and recover information about underlying structures, several artifact reduction methods have been introduced in modern CT systems. When x-rays pass through a metal object, depending on its size and composition, different physical effects negatively affect the measurements in the detector, most notably the effects of photon starvation and beam hardening. Artifacts caused by metallic implants appear as dark and bright streaks at computed tomography (CT), which severely degrade the image quality and decrease the diagnostic value of the examination. ![]() Further back, there’s an FLD (‘Fluorite’ Low Dispersion) element and no less than five SLD (Special Low Dispersion) elements. The veritable feast of glass includes three aspherical elements, complete with a large-diameter, ultra-high-precision one at the front. Again, there are considerable differences in the construction of the E-mount version, starting with the optical path. Like Sigma’s 24-70mm Art standard zoom for Sony mirrorless cameras, this one has evolved from a very popular lens that was designed for Canon and Nikon SLRs. And speaking of money, it massively undercuts both Sony lenses for purchase price. For our money, the Sigma is actually an ideal compromise in terms of zoom range and aperture rating. ![]() This new Sigma lens goes wider than the 16-35mm while matching its fast and constant f/2.8 aperture, although it doesn’t go quite as wide as the ‘slower’ f/4 lens. Own-brand Sony wide-angle zooms include the FE 16-35mm f/2.8 G Master and the FE 12-24 f/4 G. The only minus points are that barrel distortion is rather noticeable at the short end of the zoom range and vignetting is quite severe at f/2.8, but automatic in-camera corrections are available for both of these aberrations. Image quality is mostly fabulous, with superb sharpness and contrast, and absolutely negligible color fringing. Meanwhile, aperture control is based on an 11-blade diaphragm which remains very well-rounded when stopping down, helping to retain attractive bokeh. Its stepping motor autofocus system is very fast and virtually silent in operation, and comes complete with the usual electronically coupled focus ring, which enables very precise manual adjustments. The lens is impressive mechanically as well as optically. In addition to Sigma’s usual Super Multi-Layer Coating, there’s a brand new Nano Porous Coating, to further reduce ghosting and flare. Of these, there are three aspherical elements, six top-performance FLD (‘Fluorite’ Low Dispersion) elements and two SLD (Special Low Dispersion) elements. It has a complex optical path of 19 elements. Sigma has certainly thrown the full weight of its technological expertise into the lens. It’s also about 200g lighter, making it more manageable on a svelte Sony mirrorless body, but is still pretty weighty at 830g. ![]() The 24-70mm f/2.8 standard zoom for Canon and Nikon SLRs is typical of the breed but the new ‘DN’ version for Sony mirrorless cameras is more of a complete redesign than a simple tweak with a different mounting plate. Sigma’s Art lenses have an uncompromising design ethic that goes all out for enabling artistic flair and creativity, no matter if they end up being quite large and weighty. The only catch is that sometimes the bill can be a little steep, so we've taken value into consideration as well in this in-depth guide to the best Sony lenses. Whatever type of prime or zoom lens you need for your Sony full-frame or APS-C format body, you’ll be able to find an own-brand Sony lens to fit the bill. It designed and brought to the market a succession of impressive full-frame compatible lenses, while also ramping up its range of APS-C format lenses for its popular line of A6000 series camera bodies. With such a lengthy head start, Sony put those five years to good use. It took no less than five years for the biggest names in traditional cameras to catch up, with Canon and Nikon only launching its first full-frame mirrorless cameras in 2018, namely the Canon EOS R and RP, and the Nikon Z7 and Z 6. This diminutive yet powerful body quickly grew into a whole series of A7 and A9 cameras, which have gone from strength to strength. Sony took the photographic world by storm back in 2013, with the launch of its first A7 mirrorless camera. The APS-C range is aimed at beginners to enthusiasts, while the full-frame range is available for enthusiasts up to professionals. Sony has two distinct line-up of mirrorless cameras. If you're relatively new to Sony cameras, here's a quick introduction to them. In addition to weekly tournaments occupying our resourceful Lords and Ladies, Stronghold Kingdoms gets a whole host of new worlds to begin fresh adventures with friends and foes alike. All this makes for new co-op grand strategy possibilities and a much easier to understand experience for new senators. Among a range of improvements and optimisations made since Alpha 1, Romans is now equipped with an extended Empire Map, Forum relocation, multi-city capabilities, quest lines and Advisers. This episode takes you through the latest and greatest from our online titles as Alpha 2 comes to Romans bearing a multitude of online city building gifts, while Stronghold Kingdoms receives new tournaments and worlds. This week Nick’s back with another Firefly Studios’ Online Round Up, featuring new updates from Romans: Age of Caesar and Stronghold Kingdoms. While granaries are set alight from gunpowder experiments and Mongols harass local farmers, half way across the world in a small south London studio Rome is of course also being rebuilt! The other half of Firefly Studios is also waist high in game dev, with Romans: Age of Caesar in development as the first ever online cooperative city builder! With our second alpha now well under way, with more major updates coming soon, we are nearly ready to showcase our first ever gameplay trailer! So make sure you’ve hit that subscribe button with notifications on to be the first to see it. Now that we have our first foot planted firmly in this new decade we plan to move forward, squashing bugs and adding new features with video deep dives to accompany each major update. ![]() Armed with the classic RTS-sim gameplay of its predecessors, the core Stronghold dev team has spent the last few months implementing brand new mechanics, upping the ante with animations and of course making sure besieging feels as satisfying as ever. As is now a yearly YouTube tradition, Firefly Studios starts the year by looking at the months of productive game dev ahead for our two upcoming games: Stronghold: Warlords and Romans: Age of Caesar! So join Nick as he takes you through all the exciting plans we have for both our East Asian castle sim and Roman co-op city builder in 2020.Īfter a packed 2019 Stronghold: Warlords is on track to be one of the best Strongholds yet. |
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