![]() So, eating, drinking etc should be prohibited in a place where collections are kept. Generally pests are attached by clutter and the food remnants. ![]() Insects, mold, rodents are dangerous for a document. It also helps the document in being free from dust, dirt and direct exposure of light. When the books are in the shelf, safe storage or use of proper storage cabinet by way of keeping the valuable reading material in box and keeping documents in between metal supporters provide protection against mechanical damage. The storage areas should be clean and clutter, dust, dirt etc should not be allowed to accumulate within the storage areas. Remedies against environmental damage of reading material include shielding from sunlight, air conditioning and such others in all walk of the material such as in store, on display, or in transit. In doing so, the person concerned should work with curators, recommending officers, and other preservation staff to make decisions about binding, housing, and related matters. Let Us Sum Up: Prevention of deterioration measures significantly extends the usual life of all types of documents and must need to be implemented. Like print, digital media, and film, the paintings, photographs, phonograph also demand some special preservation techniques. So, necessary action should be taken so that in no case it comes in contact with high temperature. ![]() #AUDIOFINDER SLICES MARKERS MOVIE#In the widest sense, its aim is to assure that a movie will continue to exist, as close to its original form as possible. Film Preservation: The film preservation, or film restoration, movement is an ongoing project among film historians, archivists, museums, cinematheques, and non-profit organizations to rescue decaying film stock and preserve the images contained therein. ![]() #AUDIOFINDER SLICES MARKERS ARCHIVE#The Internet Archive was founded by Brewster Kahle in 1996. It offers permanent storage and access to collections of digitized materials, including websites, music, moving images, and books. The Internet Archive is a non-profit digital library with the stated mission of universal access to all knowledge. Web archiving is the process of collecting portions of the World Wide Web and ensuring that the collection is preserved in an archive, such as an archive site, for future researchers, historians, and the public. Web Resources Preservation: According to a report by the US Library of Congress, 44% of the site available on the internet in 1998 had vanished one year later. ![]()
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This is a strategic RPG that's built to immerse you in one of the most legendary. Dragon quest tact apk english free#DRAGON QUEST TACT is a free to play mobile tactical RPG coming soon to Android. Dragon Quest Tact is an RPG where you lead the most popular dragons from the Dragon Quest franchise in fun, turn-based battles. Build everywhere from anywhere in DRAGON QUEST BUILDERS, available now on. Dragon Quest Tact is set to release this year in Japan on iOS and Android. A new adventure in the Dragon Quest universe. If you already have NoxPlayer on PC, click 'Download APK', then drag and drop the file to the emulator to install. Once installation completes, play the game on PC. Dragon quest tact apk english for android#Check out the official Japanese website for it here. Click 'Download on PC' to download NoxPlayer and apk file at the same time. Download DRAGON QUEST TACT APK 2.6.0 - DQ TACT APK Mobile Game for Android - With over 10 million DLs in Japan, DRAGON QUEST TACT finally comes to the West - GP: - SQUARE ENIX Co.,Ltd. It is being developed by Aiming and is being directed by Yuji Horii. DRAGON QUEST TACT is a free to play mobile tactical RPG coming soon to Android & iOS Befriend, collect, and train iconic DRAGON QUEST monsters to charge. Check out some screenshots from the it below:ĭragon Quest Tact is free to play with in app purchases and it features turn based combat from the franchise in encounters with 3D enemies on a grid based map. ![]() ![]() Today, the company announced Dragon Quest Tact which is a tactical RPG based on Dragon Quest for iOS and Android in Japan. Dragon Quest, previously published as Dragon Warrior in North America until 2005, is a franchise of Japanese role-playing video games created by Armor. While I’m still waiting on Dragon Quest VII to get released in English on iOS and Android, Square Enix is finally bringing Dragon Quest of the Stars to the West this month. The most recent free to play Dragon Quest game to have everyone’s attention in Japan is Dragon Quest Walk which looks super charming. Thanks to their courage and wit, the dark lord was sealed away, bringing peace to the world.The Dragon Quest franchise has no shortage of premium mobile games and it has even seen multiple free to play releases over the years. Long ago, when an evil force brought the world of Orchesterra to the brink of destruction, a legendary hero led a loyal band of monsters in defiance. An ever-growing list of freely obtainable monsters means that you can grow your roster without spending at all! 227.77 MB free Dragon Quest Tact is an RPG where you lead the most popular dragons from the Dragon Quest franchise in fun, turn-based battles. It has the highest compatibility and fluency of almost every apps and games. The battle is based on the turn-based and. NoxPlayer is a free Android emulator dedicated to bring the best experience for users to play Android games and apps on PC. Un nuevo RPG tctico en el que nos zambulliremos en una de las sagas ms mticas del mundo de los videojuegos. Monsters of all rarity levels and strengths have a role to play! Resourceful players will be rewarded on the Battle Road, where monsters of all power levels will be required. Dragon Quest TACT is a tactical RPG which you will control and fight monsters from the Dragon Quest series. Dragon Quest Tact es un juego de rol con combates por turnos, en el que podremos controlar a algunos de los monstruos ms populares de la franquicia Dragon Quest, a lo largo de divertidas batallas por turnos. Study the battlefield and outwit your foes on-the-go! Orchestrate your monsters’ movements in a pocket-sized tactical experience! Pick-up-and-play controls and deep tactical elements give experts and newcomers something to enjoy. Un RPG tctico donde nos meteremos de lleno en una de las sagas ms mticas del mundo de los videojuegos acompaados de los fantsticos diseos de Akira Toriyama. Dragon quest tact apk english series#Befriend, train, and lead a team of monsters to victory! Recruit a colorful cast of creatures from the legendary DRAGON QUEST series and experience monstrously strategic combat!Īssemble a roster of monsters both cuddly and terrifying! Train, equip, and customize them to make them your very own! Dragon Quest Tact es un juego de rol en el que dirigiremos a los monstruos ms populares de la franquicia Dragon Quest en divertidas batallas por turnos. ![]() ![]() ![]()
![]() ![]() The app is a free download here on iTunes. #PHOTOSPHERE GOOGLE ANDROID#Google has recently release a photosphere app for iphones, so iOS users can now get in on the action also, but this instructable will focus on the android version. Photo Sphere is fun to use, if a bit much for everyday use. Google's camera app on android gives an easy was to stitch together dozens of photos to create a 180 degree x 360 degree panorama or Photosphere. It’s like the consumer-grade version of the Google Street View camera.Īfter users create a Photo Sphere, they can opt to publish to a dedicated community within Google Maps called Views, or social networks like Google+, Facebook, and Twitter. Additionally, explains Google, locally relevant photo spheres may appear in Google Maps itself, helping people to virtually explore the world. Explore world landmarks, discover natural wonders and step inside locations such as museums, arenas, restaurants and small businesses with Google Street. Of course, Google’s entry into this space is more about gaining access to another stream of user-generated data which it can use to augment its Google Maps product. That makes them a more immersive experience, and lets you feel like you’re really seeing the view captured, like a beach, mountains, cityscape and more. iOS offers its own “Pano” mode and third-party apps like Sphere, 360 Panorama and the nifty hands-free Cycloramic have offered similar functionality for some time.īut what makes Google’s Photo Spheres different is that they let you look not just left and right, but also up and down – like you can with Google Street View, for example. Now available on iOS, the new app lets you stand in one place, pointing the viewfinder at a dot on the screen then tilt and move the phone until you’ve captured the scenery around you.ģ60 images are not exactly a new idea for smartphones. The app is an expansion of a feature that was previously available via Google’s Android operating system, and shipped on the Nexus-branded smartphones. How Google implements their own PhotoSphere ? Any suggestion is appreciated.Google has just launched a new photo application for iOS users called Photo Sphere Camera, which allows you to take 360-degree photos, then publish them to Google Maps or other social networks.Are there any good algorithms (or technical reports, scholar papers) available? If there are any, which one is the best?.Are there any libraries which can do what Google's PhotoSphere does? Since I don't develop for commercial use, any open-source libs are acceptable.Additionally I tried using the Focal(beta) app on Google Play, whose sphere mode is also based on PanoTools/Hugin, their results (in sphere mode) seems no better than ours. Take advantage of Androids unique Photosphere feature by viewing one right on your home screen Photosphere Live Wallpaper properly displays a Photosphere. ![]() I also tried the PanoTools/Hugin lib, although this lib supports predefined photo directions, the result is quite poor and unstable. Feeding the pipeline with photos in all directions only produces a large panorama with curved image boundary. I couldn't find a way to generate a 180x360 degree panorama like PhotoSphere does using this pipeline. #PHOTOSPHERE GOOGLE HOW TO#However, iPad can provide the arbitrary spatial direction data of each taken photo (with noise though), but I don't know how to utilize these data in the OpenCV stitching pipeline. ![]() The pipeline deals with unordered input photos, as far as I know it only uses image feature matching to locate the geometric relations between photos, and the pipeline performs poorly when image feature extraction fails on blank photos (eg. OpenCV 2.4.8 provides with an image stitching pipeline which seems very promising at first glance. What I'm going to do is to implement an application for iPad with exactly the same functionality. Google is in the process of embedding the photo spheres into Google Maps. The camera app on Android 4.3/4.4 under the 'Sphere mode' can stitch photos from varied directions into one spherical panorama, with very good quality. A photo sphere is a photograph with a 360 dimension. ![]() ![]() To restore, I would create a new pool on the target if there wasn't already one, and then use the restore command of zfs_uploader or otherwise zfs recv and the snapshot and related data manually, and write it to the poolk as a new dataset (Or addition to an existing one) I have to restore the entire dataset (Typically a folder, like your homefolder or a specific service may have its own dataset) Duplicacy vs arq full#One disadvantage of the full ZFS setup is not being able to retrieve a single file from your backup. I would have to reformat my disks thoughīut how do you restore the data on another system? For example if you want to restore just something on say a Mac? I would have to reformat my disks thoughīut how do you restore the data on another system? For example if you want to restore just something on say a said: Interesting. If you don't use ZFS, don't sweat the details, just use Borgmatic and be happy. ![]() If you don't use ZFS, don't sweat the details, just use Borgmatic and be said: what is the advantage of zfs snapshots over regular backups? If you already use ZFS, then you should look into increment snapshots and zfs send/ zfs recv or the above zfs_uploader project for making backups from it. I just generally love using ZFS to manage filesystems and the data within them, it would be way too exhaustive for me to say everything I love and use about ZFS here. You have no overhead searching through every subdir for changed files, since ZFS is already tracking that and can make a snapshot in an instant.Īnd ZFS has compression (and encryption if needed) built-in, so as long as you remember to keep it when sending the backup you get those benefits without aditional overhead each and every backup. This results in much faster backups since it uses the equaly speed of your disk. You don't need to crawl through every subdirectory and send every (changed) file one by one, you can just stream the however-many-GB snapshot as one. The two times recently that I've needed to restore anything (one was due to filesystem corruption, the other due to human error) all was said: what is the advantage of zfs snapshots over regular backups?įor real though, mainly that ZFS snapshots can be sent as blocks of data rather than a set of files. I might get around to improving it some day, but it works well enough. In my case the backups locations scan and verify checksums and send alerts on unexpected changes to protect from corruption due to bad drives or my error, checksums of the latest snapshot are also verified against live data (ignoring files modified recently, to reduce false positives), some VMs have a low-spec mirror that automatically wipes data and restores from latest backup (errors sent as alerts, and I manually check they have recent data occasionally) so I know the restore process is solid (these mirrors are not on the same server as what they mirror, so at a pinch they could be given more resource and with DNS changes made active in the event of an issue that fully takes out the original).Īll manually scripted, which can be a faf to maintain. How do you test your backups? (which can be as important as taking them in the first place) A couple of important keys are backed up physically (QR on “indestructible” paper, usually stored away from anything with easy access to what they unlock) for extra paranoia. A small selection of important stuff (keys, some personally significant data) also copied to removable media. Everything encrypted at rest (not that I have anything particularly sensitive). Everything covered by RAID1 or similar either using multiple physical drives or the provider promising the same (RAID is not a backup solution, but it does reduce the risk of needing to rebuild/restore due to hardware issues). A third resource pulls data from one of those without being able to connect to the sources or vice-versa as a soft-offline backup. Everything I can't re-obtain easily: rsync to two off-site locations, hard-linked snapshots are kept so I don't just have the latest version of content. ![]() ![]() ![]() Manually use anchor points or the software’s automatic feature to correct skewed perspectives in wide-angle photos, from the simplest to the most complex.įor natural-looking shapes, automatically correct the volume deformation of faces, bodies, and objects at the edges photos taken with a wide-angle lens. I wish you all a successful work! Key Features: After launch, you can select several test shots to check the product capabilities on them.ĭxO ViewPoint Key does not have a huge number of tools, but it does not need it, it clearly performs the tasks assigned to it. I would like to separately note the convenient interface. The program can easily restore the natural proportions of objects in your pictures. DXO VIEWPOINT KOSTENLOS FULLIt is usually characterized by a wide upper and narrowed lower edge.), You can download DxO ViewPoint Full below. Download DxO ViewPoint 3.4.0.10 – (413.5 Mb)Ī program for correcting distorted elements that may form at the edges of your photos, it is also able to correct keystone distortion (geometric distortion of the image caused by the non-perpendicularity of the projection axis relative to the plane of the screen.Download DxO ViewPoint 4.0.0 Build 4 – (242 Mb).Take advantage of the standalone application and any of the plugins for DxO OpticsPro, Adobe Photoshop, Lightroom, Elements, and Apple Aperture at the same time.ĭxO ViewPoint is available in English, French, German, and Japanese. Whether barrel, pincushion, or fisheye, no flaw will remain uncorrected! In just one click, restore the natural proportions to deformed subjects by applying corrections that are perfectly adapted to your equipment.Ĭorrect the different types of distortion affecting your lens. Place the anchor points along the lines you want to fix, and then apply the correction: DxO ViewPoint corrects every kind of perspective problem. RESOLVES EVEN THE MOST COMPLEX PERSPECTIVE PROBLEMS ![]() In addition to that, you can rotate images, zoom in and out, undo and redo actions, show grid overlay and toggle view, from side-by-side to one behind the other (original and edited pictures).įrom the settings panel, the language, background color and overlay grid size can be changed, you can show or hide image resolution and check for updates every 24 hours. It is possible to reverse the fisheye effect, correct volume and perspective deformation, as well as fix issues with the horizontal and vertical levels. ![]() In order to be able to benefit from this option, you are required to upload the original image file because the utility extracts shooting parameters from the EXIF data. The lack of support for additional file types is considered to be a setback.ĭxO ViewPoint integrates an auto correct optical distortion feature, so that you can repair pictures with a lot more ease. This program can only open and save items with a JPG or TIFF format. ![]() This means that both experienced users and beginners can work with it, without encountering issues.Īside from that, it is comprised of a menu bar, a few shortcut buttons, a tool bar and a panel for displaying the uploaded image. The installation process is fairly typical, and upon completing it, you come face to face with a modern-looking and intuitive UI. ![]() ![]() ![]() With over 35 years of experience in the direct marketing industry, provides a wide range of global organizations, franchises, nonprofits and small local businesses with a full line of strategic, creative, list, production, data and campaign management services.Ĭontact us | about us | careers | terms | privacy policy | site map | submit a siteĬopyright ©2022 DirectMail. GeoSelector is currently available to anyone who wants to use it at the company?s website ? Click on "Consumer Lists" to access the GeoSelector system, and watch the short video tutorial to get started.ĭ is revolutionizing the direct marketing industry by providing global online access to affordable, customized direct mail lists, production and mailing services. And sales reps can pull prospect lists by pre-defined districts or territories. Home services providers can actually zoom in on a neighborhood and see which properties "look" like good prospects. With GeoSelector, Realtors, for example, can target specific neighborhoods or residents living next to or near certain geographical features, like waterfront properties. "The system?s broad mapping detail and layered demographic information has all sorts of applications." "We believe that GeoSelector has the potential to dramatically change the direct mail landscape," stated Salta. ![]() This kind of visualization, in turn, can be used to generate lists of "look-alike" consumers or identify other meaningful geographical patterns. The GeoSelector "Pro" edition can also be used to upload a client?s existing customer base or prospect file, plot their locations on the map and view the underlying demographics. "Plus it?s extremely easy to use and fast, which goes with our goal of saving mailers? time and money." "It?s the most accurate and precise list-building tool on the market, right now," said Salta?s partner Kirk Swain, noting that a patent is pending on it. Review our full suite of mailing services from. ![]() Names can also be selected by these demographic characteristics as well to further narrow and fine-tune the mailing list. MGA Innovations mailing services range from using targeted direct mail, sending product samples, and more. From there they can zoom in, zoom out, experiment with different radius overlays, or draw any shape target on the map and get both an instant count of the number of names and addresses within the target area, and a demographic report showing what the selected consumers look like in terms of their age, income, type of housing and a whole range of other characteristics. Targeted mailings code#With GeoSelector, users simply enter a street address or zip code to bring up a map or satellite view of the location. ![]() Carroll combined Google mapping technology with a high-end geo-coding program and then linked it to over 200 million consumer records in ?s DirectChoice Consumer Masterfile. That?s exactly what they did with GeoSelector™, the new list-selection tool developed in-house by the company?s IT chief, Brian Carroll. "Our clients in both the commercial and nonprofit sectors are always looking for better ways to target their offers, reduce costs and improve results," said Bob Salta, who, with partner Kirk Swain, has been quick to implement the latest web and data technologies to make direct mail easier, "smarter" and less expensive for companies and nonprofits of all sizes. This is great news for organizations using direct mail, who are faced with rising postage and paper costs, and consumers who still get too many shotgun-style mass mailings. Option 3: Lifestyle & Data Driven Mailing Lists. May 16, 2007, Metro Washington DC ?, a leading direct mail and data services provider, announced the launch of their new online list targeting and selection tool that will help mailers trim expenses and increase the accuracy of their mailings. GeoSelector?s innovative geo-mapping technology lets direct mail advertisers and fundraisers identify and target their best prospects via an interactive map, cutting waste, saving postage and improving accuracy. One of the most cost effective ways to reach your ideal client or customer is through direct mail and Launches Online Mapping Tool for Highly Targeted Mailing Lists. Email marketing development and deployment MPH Marketing Solutions is a Constant Contact Business Partner. Our list acquisition services enable you to target your ideal client.Īs technology continues to affect how successful marketing is done, we can also incorporate a variety of digital elements into your direct marketing including email marketing, web display advertising, social media campaigns, and custom landing pages. We are positioned to handle full-scale direct mail marketing services, whether you need a large-quantity, one-time mailing a drip postcard campaign that goes out over several weeks a letter mailing with a response device or any other solution customized to your specific needs. MPH Marketing Solutions provides a full range of direct marketing capabilities. ![]() ![]() ![]() collectively purchase quality name brand and PRONTO brand automotive products. ![]() PRONTO is committed to the independent automotive aftermarket and demonstrates leadership within the industry by providing PRONTO Member distributors and their customers a professionally-managed, member-directed organizational structure designed to: We serve thousands of auto parts stores and service centers every single day. The National PRONTO Association is made up of nearly 150 Member Distributors with over 300 distribution locations. Just complete our online form, call a Pronto Parts Store or Service Center Near You Our 20 Group membership team is here to help you. #INETWORK AUTO GROUP LOCATION FREE#Enrollment in NADA/ATD 20 Group Live is simple and free to NADA 20 Group members. NADA/ATD 20 Group Live is an online resource that provides NADA 20 Group members with complimentary access to real-time data and reports designed to help them improve the profitability of their variable operations. Monthly dues are $395 per month, with a set-up fee of $350. If there is mutual agreement, you will be offered membership after your initial meeting. Your initial meeting is an opportunity to see what the members can do for you and what you can do for them. There is no charge for first meeting expenses, so your investment is minimized to your time and travel costs. You'll see how you stack up against the best of class dealers using the NADA composite. Your first meeting is a "free test drive" without obligation to join. Typically these meetings are located in major airport cities in business hotels to keep travel time and costs reasonable. NADA also has many Manager 20 Groups, including internet, fixed ops and controllers. Many groups schedule specific manager meetings to focus the group on one department. Members are also encouraged to bring their managers to meetings. What about my managers?ĭealers enable their managers to look at their departments in the monthly composite. Regardless of the group's style, all groups have the same goal - to increase the profitability of members! Our membership team will help you select the group that best suits your needs. Sites are chosen by the group and vary from airport business locations to resorts. Meetings are three times a year over two or three days as the group prefers. Our consultants work directly with your management team identifying opportunities and implementing best practices. Another options it to form your own internal (IMR) 20 Group, a custom composite for your dealer group can be produced and meetings held on your site. Members tell us they pick up enough best practices at every meeting to more than pay for their trip.įor dealers or C-level manager (CEO, CFO, COO, etc.) of a multi-franchise dealership (3 or more stores) you have the option of joining our multi-franchise 20 Group. NADA is partnered with the largest travel company in the nation to negotiate discounts for our members. Members cover their own travel, meals and share equally in meeting expenses. Many dealers consider their 20 Group peers as their "board of directors." What do meetings cost? Second and third generations of dealers develop strong relationships with their fellow members. ![]() Many of our members remain in a 20 Group for their entire automotive career. As your association, NADA offers daily consulting rates among the lowest in the industry. Many dealers request in-dealership consulting to accelerate best practices implementation. #INETWORK AUTO GROUP LOCATION ARCHIVE#Our resources include the entire 20 Group staff and archive of best practices. Your 20 Group consultant is your ongoing resource for business and franchise issues. Your 20 Group consultant has direct access to NADA industry relations, regulatory affairs and legal staff for guidance on the complex issues faced by today's dealers. Members utilize their fellow dealers and NADA consultant to solve daily business issues. Groups communicate extensively between meetings. Then we can review the meeting schedule and help you select the group that best meets your needs. Our membership team will place you in a group with other non-competing dealerships of similar size and franchise. This is your opportunity to improve your market share and profitability. Gains are especially evident in the first year. On average, the dealers in the NADA 20 Group program are more profitable than non-members. The NADA best of class financial composite makes it easy to identify your opportunities. Best practices come only from the best dealers and our world-class consultants. Our only purpose is to help our members become more profitable, not to make a profit. NADA is the only advocacy and education organization dedicated to driving your dealership's success. ![]() ![]() ![]() Einstein's statement, ".there seems to be no such thing.on the basis of experience," would not have counted as an objection, but would have represented a mere statement of fact, since no one had ever traveled at such speeds. A 19th century aether theorist would have had no difficulties with the thought experiment. But various sources note that Einstein did not learn Maxwell's theory until 1898, in university. At 16 years old and a student at the Gymnasium in Aarau, Einstein would have had the thought experiment in late 1895 to early 1896. Norton lists several problems with Einstein's recounting, both historical and scientific: 1. However, Norton has noted that Einstein's reminiscences were probably colored by a half-century of hindsight. : 26–27, 121–127 Special relativity Pursuing a beam of light Įinstein's thought experiment as a 16-year-old studentĮinstein's recollections of his youthful musings are widely cited because of the hints they provide of his later great discovery. This included his use of thought experiments. His work in the patent office "stimulated to see the physical ramifications of theoretical concepts." These aspects of his thinking style inspired him to fill his papers with vivid practical detail making them quite different from, say, the papers of Lorentz or Maxwell. Įinstein had a highly visual understanding of physics. In fact, it was a logical demonstration described by Galileo in Discorsi e dimostrazioni matematiche (1638). ![]() This has sometimes been taken to be an actual physical demonstration, involving his climbing up the Leaning Tower of Pisa and dropping two heavy weights off it. Perhaps the best known in the history of modern science is Galileo's demonstration that falling objects must fall at the same rate regardless of their masses. When effectively used, the irrelevant particulars that convert a straightforward argument into a thought experiment can act as "intuition pumps" that stimulate readers' ability to apply their intuitions to their understanding of a scenario. Norton, a well-known philosopher of science, has noted that "a good thought experiment is a good argument a bad thought experiment is a bad argument." A thought experiment can always be reconstructed as a straightforward argument, without the irrelevant particulars. It is the invocation of these particulars that give thought experiments their experiment-like appearance. Thought experiments invoke particulars that are irrelevant to the generality of their conclusions. They can only provide conclusions based on deductive or inductive reasoning from their starting assumptions. Īs opposed to physical experiments, thought experiments do not report new empirical data. They describe experiments that, except for some specific and necessary idealizations, could conceivably be performed in the real world. A scientific thought experiment, in particular, may examine the implications of a theory, law, or set of principles with the aid of fictive and/or natural particulars (demons sorting molecules, cats whose lives hinge upon a radioactive disintegration, men in enclosed elevators) in an idealized environment (massless trapdoors, absence of friction). In a profound contribution to the literature on quantum mechanics, Einstein considered two particles briefly interacting and then flying apart so that their states are correlated, anticipating the phenomenon known as quantum entanglement.Ī thought experiment is a logical argument or mental model cast within the context of an imaginary (hypothetical or even counterfactual) scenario. In his debates with Niels Bohr on the nature of reality, he proposed imaginary devices intended to show, at least in concept, how the Heisenberg uncertainty principle might be evaded. For general relativity, he considered a person falling off a roof, accelerating elevators, blind beetles crawling on curved surfaces and the like. For special relativity, he employed moving trains and flashes of lightning to explain his most penetrating insights. In his youth, he mentally chased beams of light. ![]() Einstein's thought experiments took diverse forms. Kinds of scientific mental experiments done by EinsteinĪ hallmark of Albert Einstein's career was his use of visualized thought experiments ( German: Gedankenexperiment ) as a fundamental tool for understanding physical issues and for elucidating his concepts to others. ![]() |
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