Instead of using a flat surface use a ring and stretch transparent Mylar across one side and reflective Mylar across the other side, then pump in air between them from a great many tiny multiple ports in the ring. Instead of using a fixative to convert this air pressure induced parabolic curve into a permanent solid mirror why not just take this same idea but simply maintain air pressure and use the mirror as is? Posted in Misc Hacks Tagged cooker, death ray, dish, fiberglass, mylar, parabolic mirror, pressure forming, reflector, space blanket Post navigation ![]() We doubt this process can be optimized enough to produce astronomy-grade mirrors for visible light, but it still has a lot of potential applications. Maybe a fiberglass radio astronomy dish could be pressure-formed directly with a rig like this? A little edge support for the resulting shiny taco shell and the mirror was capable of the required degree of destructive potential. ’s first attempt at supporting the film with spray foam insulation was a bust, but the later attempt with fiberglass mesh worked great. After curing, a few puffs with a bicycle tire pump forms the curve and stretches the film even smoother. The metallized Mylar space blanket, stretched across a wooden frame to pull out the wrinkles and folds, is applied to a circle of epoxy on the platen. A sheet of PVC with a recessed air fitting forms the platen. We’ve covered pressure-formed plastic domes before, and this process is similar. Pressure-forming was a great choice for ’s mirror. But a big, shiny mirror for your solar death-ray needs is another matter, which is where this pressure-formed space blanket mirror might come in handy. ![]() Whether you’re building a microwave antenna or a long-distance directional microphone, suitable commercial dishes aren’t that hard to come by. Parabolic reflectors are pretty handy devices.
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![]() ![]() To install macOS Ventura on VMware and VirtualBox, you need to download the macOS Ventura ISO image first which you can find the download link below. There are many more features.Īs macOS Ventura is in beta mode, it’s best to install it on a virtual machine first. In macOS Ventura, you can undo a sent email a few moments later, schedule emails, and set follow-up reminders. The Mac Mail program has also received considerable improvements. You can also see significant upgrades to the Mac Mail app. ![]() Also, Apple has added “Passkeys,” which are more secure than passwords.Īnother new update in macOS Ventura is that it will allow you to edit or undo a recently sent message, mark a message as unread, or retrieve unintentionally deleted messages. For instance, Tab Groups will allow friends and family to share their favorite sites and see what tabs others are looking at in real time. Apple has brought improvements to Safari too. Apple also improves Spotlight with Rich Results, enabling you to take actions directly from Spotlight. One of these features is Stage Manager, which allows you to focus on the app you’re using without distractions. And this Techschumz guide will show you how to download macOS Ventura ISO for VMware and VirtualBox.Īt WWDC 2022, Apple revealed the next version of macOS, macOS Ventura, including several new features. If you want to install macOS Ventura on a virtual machine on your PC or laptop, you first need to download the ISO image. Therefore, the metal atom becomes a positively charged cation and the non-metal atom becomes a negatively charged anion. The metal atom transfers its electrons to the non-metal atom. In ionic bonding, the electronegativity difference between non-metals and metals exceeds 1.7. Unlike covalent bonds, ionic bonds transfer their valence electrons between atoms. Ionic bonds occur between a metal and a non-metal. The less equal the sharing of the electrons, the more ionic character the bond has. We say mostly, because there is always some sharing of electrons between atoms, but in Ionic bonds, the sharing is very unequal. So what is an ionic bond? The definition of ionic bond, is a bond between atoms where electrons are (mostly) transferred from one atom to another. There are ionic bonds, ionic compounds, ionization – all of these concepts involve ions. The definition of the word “ionic”, is something that is related to, or involves ions – which are charged atoms or molecules. For more help, view our interactive video explaining covalent bonding! There is a funny image of covalent bonds here. Likewise, the valence electron in hydrogen complete oxygen’s outermost electron shell. For example, the valence electrons in oxygen complete hydrogen’s outer electron shell. To be specific, the electronegativity difference between atoms in covalent bonds does not exceed 1.7. As a result of the similar electronegativity between atoms, the atoms share electrons. This is why covalent bonds are often found in molecules, which are groups of atoms held together by covalent bonds. When the atoms share electrons in this way, they become more stable and less likely to react with other substances. This happens because the atoms are trying to fill their outermost energy level, or valence shell, with a full complement of electrons. A covalent bond is a chemical bond that forms when two atoms share one or more pairs of electrons. Here is a simple explanation of a covalent bond. Bonds between non-metals or a non-metal and a metalloid do not have large electronegativity differences. There are two types of covalent bonding: polar and non-polar. The more equally they are shared, the more covalent character the bond has.Ĭovalent bonds occur between two non-metals or a non-metal, and a metalloid. ![]() The definition of a covalent bond, is a bond where there are electron between the atoms that are shared fairly equally. So what is a covalent bond? There are two main types of chemical bonds: covalent bonds and ionic bonds. But what is the difference between ionic vs covalent? What is a covalent bond? Ionic compounds are often solids, and form crystals.Ĭarbon dioxide, gas we breathe out of our lungs, is a compound with covalent bonds. Common table salt is an an example of common compound with ionic bonds. We’ll talk about what is an ionic bond, and what is a covalent bond. If you melt sugar (a covalent compound) or dissolve it on water, it won't conduct.In this article, we discuss ionic bonding and covalent bonding, and compare ionic bonds vs covalent bonds. For example, salt (sodium chloride) conducts electricity as molten salt or in salt water. This is because covalent compounds dissolve into molecules while ionic compounds dissolve into ions, which can conduct charge.
It returns TRUE when the variable exists and is not NULL else, it returns FALSE. Thus, the isset() function also checks whether a declared variable, array or array key has a null value. ![]() To be considered a set, it should not be NULL. The isset() function determines whether a variable is set. The following program illustrates the isset in PHP.Įxample: Check if a variable is empty and whether the variable is set/declared. If there is more than one parameter passed, and if any of them is unset, then the returned result will be false, irrespective of the set/unset status of other variables. It will return false when a variable has not been declared or is equal to NULL. In the case, where over one parameter is passed (they can be of different data types), the isset() will return true only if all the passed variables are not equal to NULL and their values exist. It will return true if the parameter passed is declared and is not set NULL. ![]() This simply means that you can pass one or more variables of different data types to isset in PHP as parameters. The parameters passed are mixed variables. isset() Syntax, Parameters and Return Values If any of the arguments have a NULL value, the isset function will return false. In this case, the isset function will return true only if all the passed arguments are set. You can pass multiple arguments in the isset function and it will check for all the passed parameters whether or not they are set. It means that if a variable, array, or array key is not set or it has a NULL value, the isset in PHP will return false, otherwise, you will get true as the return value. In other words, you can also say that the isset function is used to determine whether you have used a variable in your code or not before. A variable is considered as a set variable if it has a value other than NULL. ![]() The isset function in PHP is used to determine whether a variable is set or not. A sophisticated algorithm, based upon artificial intelligence, interprets the data and drives a key cutter. The KeyMe system relies upon optical scanning of target keys. Unlike a real locksmith or lock shop, even among the available brands, the key blanks on-site are limited and must often be mailed to the consumer. KeyMe machines can cut about twenty common residential and commercial keys on-demand at their kiosks, including Schlage, Medeco, Mul-t-Lock, American, Kwikset, Weiser, and Yale. While these two companies offer many different styles and levels of high-security keys, KeyMe has very limited capabilities and can only reproduce patent-expired keys at the present time. Neither of these can be produced on-demand but must be mailed to the buyer. At present KeyMe can only cut two brands of high-security keys: Medeco and Mul-T-Lock. The ability to cut high-security keys is much more limited and restricted and often requires the expert services of a locksmith and expensive and more sophisticated key machines. The low-security versions are the easiest to copy and virtually every key machine has this capability locally. In this country, there are about forty very common keyways and blanks, and probably the two most recognized are Schlage and Kwikset. This is one of the problems that often only a locksmith can address: there are hundreds of thousands of different profiles and keyways and all of the non-lock shops that cut keys can stock only a limited number of common blanks. ![]() Each manufacturer supplies unique key blank designs for its cylinders so that the keys for one lock will not work in a different brand, or even the same manufacturer with slightly different designs. While key copying was traditionally performed mostly by locksmiths, that model has changed during the last fifteen years, especially for conventional non-high security keys that require minimal skill and commonly available blanks. Almost all of them make a copy by physically tracing the target key that is linked to and drives a cutting wheel that interacts with the properly selected blank key. Some of these require an employee to make them work others are self-service. ![]() There are key copying machines and kiosks in a lot of locations including all the DIY and hardware stores.
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The cutting edge of the mandolin slicer is sharp and durable. Magic chef's tool, make the process of slicing vegetables easier and safer, practical gadget for kitchen use, a great helper in your home kitchen. Can be used as kitchen gadget, also can used for ordinary vegetables such as potatoes, carrots, cucumbers, squash and so on. ![]() Multifunctional garlic press and meat vegetable cutter. Kitchen tools for vegetable slicers, easy to use and clean. What's more, the mandolin slicers are perfect for slicing, dicing and grating cheese, vegetables and other foods. The mandolin slicers are a good helper in your kitchen, it is very easy to cut potato and salad into veggie, carrots or zucchini. ![]() What Are The Benefits Of Using A Ninja Blender 1500 Watts? Use a clean towel to dry before reassembling.Īny special instructions or safety warnings for utilizing ninja blenders should be found in the user handbook. Wash all parts thoroughly and allow them to dry.Avoid submerging the base or motor in water.You can clean the pieces with a soft brush and mild dish soap for a more thorough cleaning.Rinse the jar, lid and blade assembly under hot water to remove any residue or food particles.Remove the jar or cup from the base and detach the blade assembly from the jar. Continue mixing until you achieve the desired texture and consistency.Use a spatula to scrape up any ingredients stuck to the sides of the jar. For preset functions, press the corresponding button for your desired mixing task. If using manual settings, start at a low speed.Then make sure it is tightly sealed to prevent any leakage. Attach the lid securely on the blender jar.Stay within the maximum fill line to avoid spillage or overloading the blender. Place the ingredients in a blender jar or cup.Prepare your ingredients by washing, peeling and cutting them into suitable sizes for mixing. ![]() Blenders may have options such as low, medium, high speed, pulse or smoothie, crushed ice(shaved) or specific buttons for food processing. Select the appropriate speed or preset function depending on your desired mixing task.Familiarize yourself with the buttons on the control panel or blender.Then align the tabs or grooves on the jar with the corresponding slots on the base. Attach the blender jar or cup to the base.Place the blender base on a flat and stable surface.Here’s a step-by-step guide on how to use it: Setting up Blender How To Use A Ninja Blender 1500 WattsĪ Ninja Blender 1500 Watt is simple to use. Overall, this is a reliable and efficient blender that can help simplify your kitchen tasks. Makes it versatile and easy to use for different mixing needs. Which includes different speed options and pre-programmed functions. The Ninja Blender 1500 Watt comes with a variety of attachments and settings. Here are some of the best 1500-watt blenders on the market: This makes it ideal for making creamy soups, silky smoothies and savory sauces. The high energy of the blender will allow it to create smooth and consistent textures. You can easily put the Ninja Blender in the dishwasher. It also allows it to handle challenging tasks like grinding tough vegetables. Ninja blender enables crushing ice and blending frozen fruits. It is equipped with a motor that works with 1500 watts of power. It is designed to mix different ingredients quickly and efficiently. What Is A Ninja Blender 1500 Watts?Ī Ninja Blender 1500 Watt is a powerful kitchen appliance. You’ll achieve extraordinary blending results every time. This blender is capable of processing everything, including soups, sauces, nuts, and shakes and smoothies.īy following this user guide, you can unlock your Ninja Blender’s full potential. With its powerful motor and versatile features. It is designed to mix and blend a wide range of ingredients effortlessly. The Ninja Blender 1500 Watt is a powerful kitchen appliance. You’ll find all the information you need in this guide to make the most of your blender. Welcome to the Ninja Blender 1500 Watts Complete User Guide! You’re a health-conscious person looking to mix up delicious and nutritious creations. But (!) epilators have come a long way since your grandma's day-so much so that one Cosmo editor wrote a love letter to this exact Braun epilator for being virtually painless (yes, really). If you know anything about epilating, you know that it's commonly thought of as hella painful, thanks to the fact that it plucks each hair from its root (so you stay hair-free for longer), like a bunch of tweezers operating all at once. ![]() ![]() Our top facial hair removal picks for 2023: We updated this article in May 2023 to add new, first-person testing and reviews for top-rated products, delete outdated facial-hair removers, and check in with new experts for the latest in how to remove facial hair, just for you. ✔️ P.S., This is new, up-to-date info, bb. But first, here’s a peek at our top facial hair removal picks: Overwhelming, right? So to help the process feel less confusing, we helped narrow down the best products for facial hair removal, and also got tips from three dermatologists- Mona Gohara, MD Joshua Zeichner, MD and Victoria Barbosa, MD-to help you choose. While I personally tried the ol’ face-shaving method with a face shaver, you actually tons of options when it comes to facial hair removal, including facial waxing, dermaplaning, laser hair removal, epilating, and tweezing. And after finally testing them myself, I am happy-and honestly shocked?-to report that getting rid of my peach fuzz was basically the key to air-brushed makeup and a cure to my cakey makeup days. If you’ve been on TikTok recently, you already know that an ongoing trend has been all things facial-hair removal, including the best products and methods to remove facial hair for smoother skin and makeup. Īfter a series of dates opening for the Specials, who wore suits on stage, Rowland decided that his band needed its own distinct look. In response to Rhodes' criticism of Rowland's singing style, Rowland developed a "more emotional" sound influenced by General Norman Johnson of the Holland–Dozier–Holland band Chairmen of the Board and the theatricality of Bryan Ferry. Clash manager Bernard Rhodes then signed them and sent them into the studio to record a Rowland-penned single, "Burn It Down", which Rhodes renamed " Dance Stance". īy the middle of 1979, Bobby "Jnr" Ward had replaced Jay on drums. We had nothing to lose and felt that what we were doing was everything." "Big" Jim Paterson (trombone), Geoff "JB" Blythe (saxophone, previously of Geno Washington's Ram Jam Band), Steve "Babyface" Spooner (alto saxophone), Pete Saunders (keyboard), Pete Williams (bass) and John Jay (drums) formed the first lineup of the band, which began playing live at the end of 1978. While recruiting members for the new band, Rowland noted that "Anyone joining Dexys had to give up their job and rehearse all day long . The band's name was derived from Dexedrine, a brand of dextroamphetamine used as a recreational drug among Northern soul fans to give them energy to dance all night. Rowland had previously written a Northern soul-style song that the two of them sang, "Tell Me When My Light Turns Green", which became the first Dexys "song". Both had been in the short-lived punk band the Killjoys. History Dexys Mark I: 1978–1980 Foundation and first single ĭexys Midnight Runners were founded in 1978 in Birmingham, England, by Kevin Rowland (vocals, guitar, at the time using the pseudonym Carlo Rolan) and Kevin "Al" Archer (vocals, guitar). Dexys released their fourth album in 2012 and a fifth followed in 2016. After two failed restart attempts, Dexys was reformed by Rowland in 2003 with new members, as well as a few returning members from the band's original lineup (known as Dexys Mark I). The band broke up in 1987, with Rowland becoming a solo artist. By 1985, the band consisted only of Rowland and long-standing members Helen O'Hara (violin) and Billy Adams (guitar). ĭuring the late 1970s and early 1980s, Dexys went through numerous personnel changes over the course of three albums and 13 singles, with only singer/songwriter/co-founder Kevin Rowland remaining in the band through all of the transitions and only Rowland and "Big" Jim Paterson (trombone) appearing on all of the albums. ![]() ![]() "Come On Eileen" also topped the US Billboard Hot 100, and with extensive airplay on MTV they are associated with the Second British Invasion. They are best known in the UK for their songs " Come On Eileen" and " Geno", both of which peaked at No. 1 on the UK Singles Chart, as well as six other top-20 singles. Dexys Midnight Runners (currently officially Dexys, their former nickname, styled without an apostrophe ) are an English pop rock band from Birmingham, with soul influences, who achieved major commercial success in the early to mid-1980s. ![]() If you have a local mill in town you might be able to purchase grains and feeds cheaper than from the chain stores. You could always combine this method with the fermented food method below if your flock really doesn’t like the pellets. With the pellets there is less waste because they don’t fling the feed all over the ground. The chickens didn’t like it at first but they got over it pretty fast. We used to feed our chickens the nice finer grain chicken feed but then switched over to pellets. Pull them out of the garden and let the chickens have dessert! I make it a point to take out my scrap bucket each day for my chickens. Another thing they love to eat in the fall is the old garden plants. Not only are they free range and have the run of our 20 acres on the homeplace side of our land, they also get all kinds of kitchen scraps from the house!įruit and vegetable peelings, stale bread, old food from the pantry or fridge….they love it all. It’s usually a good idea to stock up on feed in the spring when the stores bring all the baby chicks in because they have great sales! Store all bulk chicken feed in a cool, dry place away from pests. Watch for chain feed stores’ sales to get an even better deal. One might argue that we should stick to the closest stores right now with the price of gas but we prefer to drive to the store further away and stock up while we are there to make it worth our while. Just because the local feed store down the road carries chicken feed, it doesn’t mean that it’s the best deal. We aren’t able to free range in the winter which is when we supplement with feed. We’ve found that in the summer, our chickens hardly eat any feed at all. Not to mention it’s great for their overall happiness. Ducks especially love being free range since they love to eat the weeds around the yard, which is fine with me!įree range chickens produce eggs with a higher nutritional value and less cholesterol. Our chickens love scooping up grasshoppers and other bugs and plants as they wander around the backyard. Unless you live in a very lush, fertile area (not the drought stricken midwest!) you will still have to supplement with feed, but your chickens will be happier and healthier when they are allowed to roam free. Let your chickens be free range if you have the space and are able. Hopefully some of these tips will help you! Over the years, we’ve found many different ways to save money on chicken feed and lately we’ve been doing more things to help bring down chicken feed prices around our homestead. Unfortunately, where raising hens used to be more cost effective then buying eggs and meat from the store, chicken feed prices have gone up so high that it’s getting harder to justify it. Fresh eggs, fresh meat, nothing can replace those good things! It is just a natural step in homestead living right? In theory, raising backyard chickens sounds like a great idea. Consider the Holidays for Free FoodĢ8 Easy Ways to Save Money on Chicken Feed Make Sure Your Chickens Aren’t Wasting Feed Serve the Chickens Calcium You Already Have 28 Easy Ways to Save Money on Chicken Feed. |
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