You are assured of a masterful and splendid finish with a carbide drill bit that increases production speed and reduces costs.Best german drill bits. SCTools recommends carbide bits as the ideal drill bit to give your manufacturing company the cutting edge it needs to offer an impressive finish to products. May need replacement once it is blunt, but its durability decreases the frequency of replacementĬan easily chip when drilling extremely hard material in temperatures beyond the specified range Overall, both drill bits get the work done with minimal cons, as shown in the table below.ĭo not last as long as carbide drill bits hardened steel requiring resharpening after 100–200holesĬannot work as fast as the drilling speeds of carbide drill bits Cobalt Drill Bits ConsĬarbide and cobalt drill bits have an ultimate breaking point that can lead to chipping and ineffective functioning if not used properly. The lower temperatures introduced reduce heat treatment of the drilled part and drill wearĬarbide Drill Bits vs. The toughness allows the drill bit to cut coolant-through holes. Have self-centering points, which relatively reduces cycle timeĬarbide drill bits hardened steel eliminates the need for peck drillingĭrills five times their shaft size before needing pecking (increases wear) Less expensive than carbide but does not match its effectivenessĬan work at very high speeds improving cycle time and decreasing manufacturing speed Harder and more heat-resistant than cobalt, making them more chip-resistant Last longer, allowing drilling of over 1500–2000 holes before needing resharpening The table below compares the pros of cobalt and carbide drill bits. But in terms of strength, solid carbide drill bits are superior, with a hardness of 75 HRC and cobalt’s hardness of 65 HRC on a Rockwell scale. Cobalt Drill Bits ProsĪs we have seen, both drill bits are made from high-grade materials and perform well. Cobalt drill bits are best used on tool steel, stainless steel, and other hard ferrous metals. Cobalt is added to the stainless steel alloy (Iron and Carbon) during formation, enabling resharpening without losing the drill bit’s cutting quality. This combination improves the heat and wear resistance of the drill bit, making it durable. What is Special About Cobalt Drill Bits?Ĭobalt drill bits are primarily made from a 5–8% cobalt concentration and high-speed steel. Carbide drill bits are not suitable for hand tools such as impact drills or cordless drills but are generally ideal for high-production drilling. Solid carbide drills are efficient in high-speed drilling and are used on fiber-glass reinforced plastics and hard, non-ferrous heavy metals.Ĭarbide is the hardest and most brittle drill bit in use today and gives a magnificent finish. This mixture helps increase metal cutting speeds and feeds, giving it a durable tool for cutting edges. What is Unique About Solid Carbide Drill Bits?Ĭarbide drill bits are made of tungsten carbide, a combination of carbon and tungsten. SCTools is committed to helping you machine better, and we will give you a detailed breakdown of these two drill bits and help you choose the ideal one for your machining needs. This simple explanation is not enough to make an informative decision on which one to buy. You have probably heard that solid carbide drill bits are the most efficient, and cobalt drill bits are durable. To keep your manufacturing company at the top, you need to acquire durable and efficient drill bits, such as carbide or cobalt, to work on tough materials. High-speed steel drill bits are sometimes ineffective at drilling tough metal to produce spectacular results. The initial and the most difficult risk that we need to take is to become honest. “It is only when we take chances, when our lives improve.
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By clicking on the chosen account (like LinkedIn in the picture), you’ll access the service directly. The Vault looks like a board with all your saved passwords pinned. The space inside the online LastPass is called a Vault. The other option (for devices that you fully trust) is logging into LastPass via (login button is in the upper right corner). There are two options: the first is using one-time passwords generated by LastPassitself ( we highly recommend this solution for almost all cases!). How to access your passwords while working on someone else’s device? You can also save more accounts with different passwords at one service (like if you have multiple Gmail accounts). Once you’ve saved the password – let’s say, for Facebook – the next time you return to Facebook, LastPass will recognize it and offer you to autofill the username and password. If that's the case, it'll recommend you changing it (and also help generate a strong password for you). Moreover, LastPass will alert you if you use the same password for more than one account. (It will display a pop-up window in the upper right corner.) It’s up to you to decide which accounts you want to save into LastPass. That’s why it’s important to secure those second-factor accounts first, like your email accounts and cell phone plan accounts.After you log in to any account (Facebook, e-mail, IS, …), LastPass will ask you whether you wish to save the password. The good news is that any account protected with two-factor authentication will make it far more difficult for an attacker to access your accounts without that second factor, such as a phone pop-up or a texted or emailed code. Start with the most critical accounts, such as your email accounts, your cell phone plan account, your bank accounts and your social media accounts, and work your way down the priority list. If you think that your LastPass password vault could be compromised - such as if your master password is weak or you’ve used it elsewhere - you should begin changing the passwords stored in your LastPass vault. This means that your current LastPass vault is secured. The best thing you can do as a LastPass customer is to change your current LastPass master password to a new and unique password (or passphrase) that is written down and kept in a safe place. In a rare shituation (not a typo) like this - which we spelled out in our parsing of LastPass’s data breach notice - if a bad actor has access to customers’ encrypted password vaults, “all they would need is a victim’s master password.” An exposed or compromised password vault is only as strong as the encryption - and the password - used to scramble it. Given that everyone’s threat model is different, no one person will have the same requirements as the other. But security incidents like this are a reminder that not all password managers are created equal and can be attacked, or compromised, in different ways. Password managers are overwhelmingly a good thing to use for storing your passwords, which should all be long, complex and unique to each site or service. Toubba said that the cybercriminals also took vast reams of customer data, including names, email addresses, phone numbers and some billing information. But the company warned that the cybercriminals behind the intrusion “may attempt to use brute force to guess your master password and decrypt the copies of vault data they took.” LastPass Authenticator can also be turned on for any service or app. Set your preferences and save your changes. Scan the barcode with the LastPass Authenticator app. In Multifactor Options, edit LastPass Authenticator and view the barcode. LastPass said customers’ password vaults are encrypted and can only be unlocked with the customers’ master password, which is only known to the customer. Log in to LastPass on your computer and launch Account Settings from your vault. It’s not clear how recent the stolen backups are. The unencrypted data includes vault-stored web addresses. The cache of customer password vaults is stored in a “proprietary binary format” that contains both unencrypted and encrypted vault data, but technical and security details of this proprietary format weren’t specified. In an updated blog post on its disclosure, LastPass CEO Karim Toubba said the intruders took a copy of a backup of customer vault data by using cloud storage keys stolen from a LastPass employee. Password manager giant LastPass has confirmed that cybercriminals stole its customers’ encrypted password vaults, which store its customers’ passwords and other secrets, in a data breach earlier this year. Since those days, Black Tourmaline has traveled a long way in our consciousness, and these unique properties make up the protective stone known for keeping bad energy away.Īs dark as night, Black Tourmaline looks like someone took a sledgehammer to a volcano. The first piece of Black Tourmaline was found back in the year 1400, deep in the rugged heart of Saxony, Germany where the dreamy piece of darkness was picked up close to an old tin mine. Hailing from the far-flung corners of the globe, Black Tourmaline can be found in the lush jungles of Brazil’s Amazon, the soaring mountains that split Pakistan and even beside the salt whipped waves of Maine. When your root chakras are beautifully balanced and in check, this grants you that deep-seated self-confidence to embrace who you are, speak your truth, and set upon your own path to spiritual healing. It effectively helps the wearer be absolved of dark feelings, turning these anxious vibrations into a positive spin that nurtures the soul.īlack Tourmaline is deeply connected to the base chakras, those earthly roots that help you to feel safe and secure in your place upon this earth. Potent, inky black, and with strong grounding forces, this jet colored stone is known for being a swallower of negative energies. While Black Tourmaline may seem stripped of any color, it’s a hugely powerful stone for those who want to wear a constant cloak of protection. Found in Saxon Germany in the year 1400.Take a look at our essential guide to healing gemstones and find a crystal that captures you. Black Tourmaline crystals mean grounding and protection. It is commonly found in trigonal crystal systems and is made up of Sodium Iron Aluminum Borate Silicate. It is also known as Schorl and is a style of silicate crystal. Black Tourmaline is part of the Tourmaline family. 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The seamless integration of Vidyo into the DingTalk platform ensures that enterprises can easily connect and collaborate anytime, anywhere over any device with the click of a button. “By leveraging Vidyo’s market-leading video conferencing technology, Alibaba DingTalk is redefining high quality, reliable video communications and we look forward to supporting their extraordinary growth.” “A true innovator, Alibaba transformed every aspect of commerce in China and Vidyo is honored to partner with Alibaba DingTalk as it launches its own customized video-enabled UC service to Chinese enterprises,” said Eran Westman, CEO, Vidyo. “We are glad that Vidyo could address Alibaba DingTalk’s requirements for a high quality, extremely scalable, customized integration and a flawless experience over mobile and desktop devices with infrastructure that can grow as our business continues to expand.” “Alibaba DingTalk’s enterprise customers required the highest quality video experience be integrated with DingTalk voice and messaging capabilities and we selected Vidyo, the market leader and pioneer of Scalable Video Coding (SVC) as our video conferencing partner,” said Mr. With more than 1.5 million enterprise companies using DingTalk on desktop and mobile today, Alibaba DingTalk needed tremendous scalability to address the platform’s large and growing installed base of Chinese enterprises requesting face-to-face collaboration. Now generally available, DingTalk with Vidyo enables 100+ endpoints to join a conference in a user-friendly interface with HD content sharing and flexible display layouts.įirst unveiled in January 2015 DingTalk is a powerful cloud-based UC platform that simplifies enterprise collaboration and communication for Chinese enterprises and teams. Alibaba DingTalk, a business unit of the Alibaba Group (NYSE:BABA), the world’s largest online and mobile marketplace, selected Vidyo, Inc., a leader in video communication and collaboration, to bring embedded HD quality, click-to-connect multiparty video conferencing capabilities to DingTalk, Alibaba’s free, cloud-based enterprise unified communication platform. 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If you download a program from the official vendor, you will be getting the files from a central server. A vast majority of PC users understands that software piracy is a violation of intellectual property, and it’s illegal. All countries have different laws against copyright infringement, but one thing that is similar is that there is no country in this world that supports software vandalism and use of pirated content. Using pirated software is against the international copyright laws and you can be sued for copyright infringement if found. It’s very important that you adhere to your own country copyright laws. These sites break a lot of copyright laws by interfering or tampering with the original versions of licensed programs. 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An atom of an element in a compound will have a positive oxidation state if it has had electrons removed. Oxidation state 0 occurs for all elements – it is simply the element in its elemental form. An element that is not combined with any other different elements has an oxidation state of 0. “Oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds…”Īnd the term oxidation number is nearly synonymous. The current IUPAC Gold Book definition of oxidation state is: Like the other elements placed in group 2 of the periodic table, calcium has two valence electrons in the outermost s-orbital, which are very easily lost in chemical reactions to form a dipositive ion with the stable electron configuration of a noble gas, in this. For example, carbon has nine possible integer oxidation states from −4 to +4. Electron configuration of Calcium is Ar 4s2. Most elements have more than one possible oxidation state. Oxidation states are typically represented by integers which may be positive, zero, or negative. The electron configuration can be visualized as the core electrons, equivalent to the noble gas of the preceding period, and the valence electrons (e.g. It could be part of the main body, but then the periodic table would be rather long and cumbersome.įor atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Similarly, the p block are the right-most six columns of the periodic table, the d block is the middle 10 columns of the periodic table, while the f block is the 14-column section that is normally depicted as detached from the main body of the periodic table. Because of this, the first two rows of the periodic table are labeled the s block. The first two columns on the left side of the periodic table are where the s subshells are being occupied. This fact has key implications for the building up of the periodic table of elements. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atom’s electrons has been assigned a unique set of quantum numbers. (b) There can be a maximum of two electrons in the orbital. (a) As per the Aufbau rule or Principle, the orbitals are filled in increasing order of their energies. It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. Electron configuration is the arrangement of electrons in different orbitals of an atom. In the periodic table, the elements are listed in order of increasing atomic number Z. The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. The configuration of these electrons follows from the principles of quantum mechanics. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. A calcium atom has twenty electrons, arranged in the electron configuration Ar4s 2. Knowledge of the electron configuration of different atoms is useful in understanding the structure of the periodic table of elements.Įvery solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Calcium is a very ductile silvery metal (sometimes described as pale yellow) whose properties are very similar to the heavier elements in its group, strontium, barium, and radium. The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties. Electron Configuration and Oxidation States of CalciumĮlectron configuration of Calcium is 4s2. \)).Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. All submissions need to be flaired after you submit it.Sexually implicit or explicit content of minors is not tolerated under any circumstances.Discussion is fine, so long as it is treated in a mature fashion.Due to concerns over user safety and sharing of personal information, users cannot arrange to meet up on /r/teenagers.Surnames and full initials are not to be shared, although first names are allowed.For the sake of clarification: personal information includes (but is not limited to) email addresses, phone numbers, school/college/university names, Facebook profiles, Skype usernames, Instagram usernames, and Spotify links containing personal information (e.g.Only approximate (city-level) locations may be shared.Surveys are allowed as long as they follow all of our other rules.
Lines drawn in publisher, across as lines and are editable just as they would be in publisher. Photos that were imported into publisher are still movable scalable photos. Fields that were originally created as text, are still editable text. It opens the publisher file directly, and let you make edits using the tools that are native to LibreOffice. I was pleasantly surprised of the fidelity of the transfer from publisher. It does not allow you to receive those files as publisher documents, but you can save them in their LibreOffice file format. LibreOffice, a free product that is sustained by the donations is the only software I’ve been able to find that allows Microsoft publisher documents to be opened. But in doing some research, I ran across the program that can open Microsoft publisher files and allow you to continue editing those files and make changes to them. Until now, I have kind of thought those documents were orphaned and would not be usable on my Mac. It was a wonderful desktop publishing program, and it came with the full version of Microsoft office on the PC. Telestream’s ScreenFlow, the highly capable screen capture app for Mac, was just updated to version 10.Many years ago, I created a bunch of documents in Microsoft publisher. Over the years, ScreenFlow has grown into a powerful video capture, composition, and editing suite, and ScreenFlow 10 continues on this path. The update includes new lower thirds title options, multiple simultaneous recording streams, multi-app recording, automatic background remover, and big performance improvements, among other enhancements. One of the most useful new additions to ScreenFlow is the ability to record nearly anything attached to your Mac. That includes additional screens, cameras, and microphones. In addition to connected iOS devices, you can even capture multiple microphones or audio sources simultaneously. This can be useful if you’re putting together a bigger production that goes beyond a single-window experience. Second on the list of cool new features is the ability to record audio from multiple apps at the same time, thanks to an updated computer audio driver. What does this mean? It means that if you’re recording your computer’s audio, and a distracting notification arrives coupled with sound, you can easily edit out that notification without relinquishing the rest of your sound capture. Essentially, sounds from different apps are now captured on individual tracks instead of being mixed together. Lower latency, including new modes for DAW (Digital Audio Workstation) software.Apps are now recorded independently, and can be extracted, disabled and remixed.Built-in color effects library and support for importing CLUT (Color Lookup Tables).Reclaim space by saving your documents with their unused edits removed.Significant reductions in file-size and CPU usage during recording & editing.Multiple camera & microphone devices can now be recorded at the same time.Select from a range of beautiful animated lower-third and title card graphics.Here’s a look at what else is new in version 10 of ScreenFlow: What’s new in ScreenFlow 10? Those were the two stand-out features that I wanted to specifically comment on, but there are many more noteworthy additions. Of course, there are many additional improvements and bug fixes included in ScreenFlow 10 as well. You can view the entire changelog on Telestream’s website. ScreenFlow 10 is designed for macOS Catalina 10.15 and Big Sur 11 only and works with both Intel and Apple Silicon. The update will also work with the upcoming public release of macOS Monterey, but I cannot yet comment on compatibility with the Monterey beta. Traditionally, it’s always been a good idea to hold out on updating to macOS betas until all software and hardware that you rely on has been updated. ScreenFlow 10 starts at $149, and there is a free trial version available right now. #Background removal software for mac free The app and trial are available via Telestream’s website, but there’s no indication of when the Mac App Store version will be released. #Background removal software for mac trial I’ve reached out to Telestream for more details and will update this post once I find out more. #Background removal software for mac free.#Background removal software for mac trial.#Background removal software for mac update. |
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