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The process of heating in which a high-frequency alternating electric field or radio waves or microwave electromagnetic radiation are used to heat the dielectric materials is known as dielectric heating.Applications of Dielectric HeatingSince the dielectric heating is an expensive method of heating, therefore, it is only used where other methods of heating are not possible. Some of the applications of the dielectric heating are described as follows −Plastic IndustryThe plastic is used for making many appliances. If the pre-heating of the plastic is uniform, then the molding of plastic becomes faster and fault free. This pre-heating of the plastic is ... Read More
Induction Heating FurnaceAn electrical furnace in which the heat is produced by induction heating of metal, is called the induction heating furnace. The induction heating furnaces have the capacities range from less than 1 kg to 100 tons and are used to melt various metals like iron, copper, aluminium, etc.Vertical Core Type Induction FurnaceThe schematic diagram of the vertical core type induction furnace is shown in the figure below.The vertical core type induction furnace is also known as Ajax-Wyatt Furnace.This furnace has a vertical crucible instead of a horizontal one (as in case direct core type induction furnace) for the ... Read More
Coated ElectrodeA coated electrode is made of a metallic wire (called core wire) coated uniformly with flux material. While fluxing, the electrode about 20 mm of its length is left bare at one end for mounting it into the electrode holder. The flux material used for coating of the electrode is a bad conductor of electricity.Coated electrodes are used these days because the flux coated on the core wire is composed of special element which protects both the arc and the weld metal that passes through range of liquid action and solidification during welding.Advantages of Coated ElectrodesThe coated electrodes are ... Read More
We've all had to use public WIFI at some point in our lives because staying connected at all times is a need for most of us, whether it's in a hotel, airport, or even a café. Maybe it's because our mobile data has run out, or maybe it's because we can't get a signal there. Public networks are always dangerous, considering weak security and high cybersecurity attacks.Why should public wifi be avoided?Data breaches and malware infections are two of the most severe risks of using public wifi. In the first case, hackers using public wifi can intercept data you send ... Read More
The primary website of the Tor Project has been put on a list of blocked sites by Russia's media watchdog. The Seattle-based NGO replied by requesting more funding for its operations in the world's most populous country. The Tor Project proposes the creation of an anonymity network based on Pentagon-funded internet traffic routing technologies.It allows concealing their online activities from prying eyes and visiting anonymous websites that are generally blocked in some areas. The initiative prides itself on being anti-censorship. A restriction on programs that give internet privacy is the latest incident in their long-running battle against free expression. They're ... Read More
The term "hacker" brings to mind someone who is out to cause harm to people, websites, and enterprise information systems. According to popular belief, they want to mine company data and erase or alter client information. Those types of "bad guys" do exist - the cybersecurity industry refers to them as "Black Hats" - but they aren't the only hackers out there.Who is a White Hat Hacker?A white-hat hacker is a computer security expert who tests and assesses the security of protected systems and networks. White hat hackers improve security by reporting flaws before malevolent hackers (also known as black ... Read More
A VPN is similar to a tunnel in that it creates a secure connection between your laptop and your nonprofit's server over the Internet. We'll go over why it's necessary and what alternatives you have for setting up a VPN in this post.If you're interested in computer security, you're undoubtedly aware that utilizing public Wi-Fi networks should be avoided at rofit's workers work from home, you'll want to be sure that your data doesn't get into the wrong hands. What is the solution? You could prohibit your remote workers from utilizing unprotected public Wi-Fi at cafes, but this isn't a ... Read More
If you need to connect to a distant machine via the command line, you might be tempted to utilize Telnet, one of the oldest protocols still in use on the Internet. However, it would be best to do so because it compromises your digital privacy.We'll go through why you shouldn't use Telnet to connect to servers remotely and what other safety protocols you may use instead.What is Telnet?Telnet (TN) is a networking protocol and software package that allows you to connect to remote computers and terminals through a TCP/IP network or the Internet. Telnet was created in 1969 and standardized ... Read More
Today blockchain is a buzzword everyone is talking about; it might be related to cryptocurrencies, web3, or metaverse; we all have come across the term. But what exactly is the blockchain, and how safe is it? Let us dig deeper into it below.What Is a Blockchain?A blockchain is a distributed ledger that can't be tampered with and is used to validate and store digital transactional records. The upkeep of a Blockchain is not the responsibility of a single authority. Instead, in a peer-to-peer (P2P) network, each computer stores a copy of the ledger, and transactions are confirmed by a decentralized ... Read More
Scammers and unscrupulous telemarketers continuously seek new techniques to convince people to take their calls. When the phone rings, most phones can screen calls and provide information about the caller. Scammers are increasingly employing the practice of falsifying or "spoofing" their caller ID information.Caller ID spoofing displays a phone number or other information to make it appear as if the calls are coming from a different individual or business. While the caller's information may appear to be from within the state or country, telemarketers frequently make calls from outside the state or country. Many individuals believe that you can no ... Read More