![]() Learn more about other factors that can help you set up you creative process in the video: To help you out, we have curated the best project management templates and shared them below. However, not every free project management template is going to meet your needs as a project manager, and with the dozens of free templates available online, it can be difficult finding one that best suits your needs. Fortunately, there are templates for just about any type of documentation, at any stage in the project lifecycle. Now, because there are many aspects to every project, not to mention that every project will have its own unique set of requirements, there are usually a lot of documents created, from the inception of the project to its completion. These templates help project managers and their collaborative teams improve efficiency, accelerate and standardize the project management process. Simply put, a project management template is a ready-made document, specifically designed to create a standard format for the documentation created during the course of project. See all your project’s feedback in one placeīring files, versions, feedback, and approvals together with Filestage. In this article, we will discuss what a project management template is, the different types of free project management templates available and how to create one yourself. ![]() They provide a ready-made and efficient solution, eliminating the need for repetitive and tedious work, as you don’t have to recreate these documents from scratch every time. Project management templates help you stay organized and save time. ![]() That’s where project management templates come in. Creating all these documents can often be challenging and time-consuming. The documents outline the project schedule strategy, processes, and resources used during the project. Project managers are typically expected to create a ton of documentation for each project. Fast-track your creative projects with the right templates.Download the project charter template here.What templates do you need for project management?.
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4/10/2024 0 Comments Minecraft medieval mage houseRoof variants such as cross-gabling or monitors are rarely seen on thatched buildings. While a thatched roof can incorporate most of the design styles used on this page, including dormers, the main roof is usually made of a single uninterrupted layer to avoid water leaking through. ![]() Thatching is another ancient roofing style using materials such as straw, reeds, sedge, rushes or heather. With a parapet and just a 1m walkway all the way around, that would become 20×24m.Ī much neater design, similar to the church at Hof in Iceland.Ī thatched roof using hay bales and yellow carpets. The building shown on the left is about 16×20 meters. In Minecraft, buildings need to be quite large before mansard roofs begin to look appropriate, especially as it's common to have an extended parapet around them. Note also that as the main point of a mansard roof is to make the roof volume usable, it will almost certainly have dormers built in to it to provide lighting. ![]() The key features of a mansard roof are its squarish profile and its increased volume of roof space compared to a gable roof and other simpler designs. Some mansard roofs resemble bonnet roofs, having a shallow lower pitch which extends beyond the curtain walls. Very large buildings may have several floors under a mansard roof. Hence the usable volume under the roof is greatly increased. Some mansard roofs may use curved roof sections, more commonly on the lower portions. Most of the roof is steep, but it always has a shallow or flat section higher up, and like a hipped roof it has slopes in both the North-South and East-West directions. It has two or possibly three distinct roof pitches. (Better versions welcome)Ī mansard roof is similar to a gambrel roof. Terraces may be large or small, covered or open, or a mixture of the two.Ī balcony may be very similar to some terrace designs, but it is not part of a roof, and the balcony may or may not have a roof covering over it as a rule of thumb, the area under a balcony will also be outdoors, whereas the area under a terrace tends to be indoors.Ī mansard roof with three distinct roof pitches.Īn alternative mansard roof. If the design of a house offers easy access to an area of a flat roof, that roof area may be paved so that it is useful as an outdoor living area. These roofs have one flaw: They are generally a good place for mobs to spawn at night if not lit up or covered in slabs, buttons, or pressure plates. The only thing you shouldn't do is to just use the same materials as for the rest of the building. Use slabs, as in the illustration, or backwards stairs, forming a gutter, or add a border of blank signs all the way round the building, or a parapet, thus making the roof area safe to use. Take a leaf from the blacksmith's book from the village and add a border that little extra effort greatly helps make this simple structure look more attractive.Īlways try to use different block types for a roof border. Making a flat roof is trivial, but making a flat roof that looks real takes a little more effort. This roof type may also be referred to as a parapet roof, meaning a roof with a parapet (a low protective wall) around it. ![]() Blacksmith's building from a pre- Village and Pillage Update plains village. If you are still using the sixth edition, helpful resources are available in the sixth edition archive. Any updates to APA Style are noted on the applicable topic pages. The style and grammar guidelines pages present information about APA Style as described in the Publication Manual of the American Psychological Association, Seventh Edition and the Concise Guide to APA Style, Seventh Edition. Tables and figures present information in an engaging, readable manner. Authors plan for ethical compliance and report critical details of their research protocol to allow readers to evaluate findings and other researchers to potentially replicate the studies. People are described using language that affirms their worth and dignity. When style works best, ideas flow logically, sources are credited appropriately, and papers are organized predictably. This is all of my opinion and interpretation.APA Style provides a foundation for effective scholarly communication because it helps writers present their ideas in a clear, concise, and inclusive manner. Hence the reason this statement was being directed to them in the first place in order to emphasize that they did not do the right act or in other words breeching company policy. Thus, making the correct answer to be 'B'. To me it seems the speaker is more upset with the fact that the action was not done rather than who did not do the action. ![]() Similar to the example in the intermediate level. Option 'B' also implies that in future they will be expected to follow policy and there may be consequences if it isn't followed. It also helps change active voice to passive voice online, and it is available for Microsoft account holders, as well as for the general public. So I believe that for emphasis 'B' would be the answer rather than 'D' because, (to be made) more emphasizes the action, meanwhile, (been made) more adds emphasis to the doer(s) of the action. Microsoft Editor is a Microsoft-owned writing assistant, and it is available for Ms. Recall that it's the action where the emphasis lies rather than the doer of the action. In the article above it says the intermediate level of the passive voice uses the infinitive plus the past participle which seems to be used in this case. So the speaker of the statement said that prior to June 15th they were allowed to pay with either cash or personal cards then be reimbursed afterwards, however, from June 15th onwards, that should have been stopped, but the employees did not follow the new policy. The passive voice is typically formed with a form of the verb be such as is, was, or. In the passive voice, the subject is the person or thing acted on or affected by the verb's action. To explain, in the statement, the words are being directed towards the employees of a car rental company right? When a sentence is in the active voice, the subject of the sentence is the one doing the action expressed by the verb. ![]() At first I opted for D however B makes more sense. To my understanding the answer should be B. GapFillDragAndDrop_MTY0MjQ= Active and passive voice 7 The meeting is scheduled to start at seven. John has been asked to make a speech at the meeting. Some verbs which are very frequently used in the passive are followed by the to-infinitive: be supposed to ReorderingHorizontal_MTY0MjI= Active and passive voice 5 We can use phrasal verbs in the passive: Active She was sent a cheque for a thousand euros. Someone sent her a cheque for a thousand euros. We can use the indirect object as the subject of a passive verb: Active We sometimes use the verb get with a past participle to form the passive:īe careful with that glass. The doors are going to be locked at ten o'clock. The passive infinitive is made up of to be with a past participle: ![]() GapFillDragAndDrop_MTY0MTk= Active and passive voice 3 GapFillDragAndDrop_MTY0MTg= Active and passive voice 2 If we want to show the person or thing doing the action, we use by: ![]() Passive forms are made up of the verb be with a past participle: Subject Transitive verbs have both active and passive forms: Active ![]() As a result, the contain mode will initially display only the background color, and when the initial view hierarchy is mounted then splash.image will be displayed. contain - The splash screen API is unable to stretch or scale the splash image.In this scenario, extra attention should be paid to android.splash section configuration inside app.json.ĭepending on the resizeMode you will get the following behavior on Android: There is a slight difference when it comes down to standalone Android applications. On Android, the splash screen behaves in most cases the same as on the iOS. For more information, see how you can customize the configuration manually. If your app does not use Expo Prebuild (formerly the managed workflow) to generate the native android and iOS directories, then changes in the app.json will have no effect. If you haven't renamed the default file name, it should be. Open the app.json and add the path as the value of splash.image to point to your new splash image. If you use another image format, making a production build of your app will fail. pngĪfter creating your splash screen, export it as a. You can see the Device screens and sizes specifications from the iOS Human Interface Guidelines for an up-to-date list of screen sizes. You can specify the strategy used to resize the image with splash.resizeMode. iOSĮxpo will resize the image for your app depending on the size of the device's screen. This is convenient because you can use one splash image for Android and iOS - less for you to read in this guide and less work for you to do. Given that you can resize and crop our splash image automatically, you can stick with our dimensions as long as you don't depend on the splash image fitting the screen exactly. One strategy to deal with this is to look at the most common resolutions and design around that - you can see a list of devices and their resolutions here. Android screen sizes vary greatly with the massive variety of devices on the market. 4/9/2024 0 Comments Grundfos scala 2 recall![]() The built-in pressure tank reduces the number of starts and stops in case of leakages in the pipe system, causing less wear on the pump. Max noise level at full load are 53 dB(A) Thanks to its hydraulic design, permanent magnet motor and water cooling, the pump is extremely low-noise, 47 dB(A) in typical use, which makes it suitable for indoor as well as outdoor use. ![]() The automatic reset function can be deactivated. Restarting will be attempted every 5 minutes 8 times, there after new restart attempt will occur every 24 hours. In case of dry running or similar alarm, the pump will stop. The pump features an automatic reset function. If exposed to dry running, water shortage or excessive temperature, blocked pump, for example in case of seizure or overload, the pump will stop automatically, thus preventing a motor burnout. It's quiet, easy to install, and maintains consistent pressure in all taps at all times. Read honest and unbiased product reviews from our users. Contact Details - Grundfos Pumps Pty Ltd is contacting owners directly according to name and address information held by its Authorised Dealer network. It is designed for perfect pressure inside the home. Find helpful customer reviews and review ratings for Grundfos 98562817 SCALA2 3-45 AMCJDF 1x208-230V 60Hz Pressure Boosting Pump, small, Black at. Apparently, these pumps arent intended to last more than a. Its quiet, easy to install, and maintains consistent pressure in all taps at all times. The current one began leaking less than a year after the first one was replaced under warranty. It is designed for perfect pressure inside the home. This facilitates easy installation and start-up of the pump and provides more reliable water supply in installations where there is a risk of dry running and leakages in suction hose or pipes. SCALA2 is an integrated, self-priming, compact water booster pump. SCALA2 is an integrated, self-priming, compact water booster pump. Provided it is filled with water, the pump is able to lift water from a depth of 8 m in less than 5 minutes. Grundfos SCALA2 has all the components necessary to ensure a comfortable pressure:Īs it is self-priming, the SCALA2 is able to pump water from a level below the pump. ![]() Plug the pump into the power outlet and the pump will start. SCALA2 can be installed in three easy steps:ģ. Grundfos liability under this warranty shall be limited to repairing or replacing at Grundfos option, without charge, F.O.B. SCALA2 incorporates integrated speed control enabling the keeping of the perfect pressure at the taps, meaning that the pump performance will increase with increasing demand. Grundfos SCALA2 is a fully integrated, self-priming, compact waterworks for pressure boosting in domestic applications. Grundfos SCALA2: Ominaisuudet ja edut Tutustu SCALA2:n käyttökohteisiin, ominaisuuksiin ja etuihin Alhainen tai vaihteleva vedenpaine on yleistä asuinrakennuksissa. The defendant’s attorney responded that the plaintiff could not amend the bill of particulars without leave of the court. Additionally, it stated that the plaintiff remained totally disabled from employment and continued to have lost earnings, as alleged previously. This document stated that the plaintiff had left common peroneal neuropathy and left tarsal tunnel syndrome as a result of the injuries he had already alleged. In August 2015, he served a supplemental/amended bill of particulars. ![]() The report was dated June 5, 2013, but plaintiff’s counsel said he had not received it before. ![]() Plaintiff’s counsel stated that there was a report in the records that indicated left common peroneal neuropathy and left tarsal tunnel syndrome related to the injury of the plaintiff’s left leg. The plaintiff’s attorney requested and received updated medical records from the plaintiff’s treating physician around August 2015. The plaintiff was examined by the defendant’s doctor on May 2, 2013. His verified bill of particulars, served on July 12, 2012, indicated his injuries were fractures in his left leg and ankle. The plaintiff filed suit after allegedly being injured while working in construction. The Supreme Court of the State of New York, County of New York, recently considered whether a plaintiff could amend his bill of particulars in Lopez v. ![]() Thereafter, a party may amend or supplement a pleading by stipulation or leave of the court, which is to be “freely given upon such terms as may be just….” Defendants will often object to a plaintiff amending his or her pleadings, arguing that they would be prejudiced by the amendment. Under Rule 3025 of the New York Civil Practice Law and Rules, a party may amend a pleading without the court’s leave within 20 days after the pleading is served or within 20 days after service of the response. While ideally all pleadings and other court documents would contain full and accurate information, sometimes a plaintiff needs to amend when new information comes to light. 4/9/2024 0 Comments Octave vst crack redditOctaver OC-D2 is available for free download via Chris Hooker’s website (11.6 MB download size, ZIP archive, 32-bit VST plugin format for Windows, made with SynthMaker). If you’re running 64-bit Windows and want a similar plugin for your setup, definitely check out the awesome Pitchproof harmonizer effect by Aegean Music. You will find a mix of acoustic guitars, bass guitars, guitar amps, electric guitars, and more. Sadly, the plugin is available for 32-bit Windows hosts only, due to the fact that it was made with SynthMaker. Here are all the best free Guitar VST plugins I could find online for Windows & Mac. Essentially, Octaver OC-D2 makes it possible to dig under the hood of your virtual octave pedal and tweak it completely to your liking. The difference between this and freeware VSTs is that you can get away with. For example, the filter and the dynamics section are commonly disabled with the goal of achieving a more artificial sounding tone from a guitar. They market it as THE ULTIMATE VST FOR HIP-HOP, EDM, and all this other shit, but you know what it is The ULTIMATELY MOST GARBAGE VST I HAVE EVER USED, and I've used shit like Delay Lama. The thing that the hardware Boss OC-2 pedal is often modified by the users in order in order to enhance its sound processing potential and the Octaver OC-D2 plugin actually emulates the feature set of the standard modded version of the pedal. These tools haven’t been implement simply for the sake of having more features, though. In contrast to the hardware Boss OC-2 guitar pedal which features only a bypass switch and three knobs the volume level of different octaves, the free Octaver OC-D2 plugin comes with an arsenal of built-in tools such as a noise gate, a filter, an envelope follower and a DC offset removal module, among other goodies. Since it’s a really neat freebie tool for guitarists and music producers in general, we’re featuring it in our news section even though it’s not technically a brand new freebie release.Īnyways, the plugin’s design seems to be heavily inspired by hardware guitar pedals such as the BOSS OC-2, however the plugin version implements quite a lot of added features which are there to provide additional control over the processed signal. The plugin was actually released earlier this year (back in January), but it somehow managed to stay under the BPB freeware radar up until this point. Chris Hooker has released Octaver OC-D2, a freeware octave guitar pedal style effect in VST plugin format for Windows based digital audio workstations. List of some KEY improvements, over the original mod: - Mod is using OpenJK as its primary game engine. Six multiplayer modes including team based siege mode and two-on-one power duel. Movie Duels is a remastered edition of the original, 2009 Movie Duels 2 mod for Jedi Knight: Jedi Academy, with updated maps, models, sounds and various other improvements, to bring the mod into the modern age. Keep in mind this is geared towards new or returning. I took some time making a video and written guide on all of the basics of getting started with Star Wars Jedi Knight Jedi Academy in 2023. Unique level selection system allows you to choose your own missions and adventures. This game is turning 20 years old this year, and it is still one of the greatest Star Wars games of all time with an active modding and player community. New vehicles, weapons, force powers and Star Wars locations. As Kyle Katarn, you must acquire the lightsaber and learn the ways of the Force to become a Jedi Knight. Now Jedi Knight: Dark Forces II picks up where the award-winning game left off.with even more features and firepower in dazzling 3D graphics. As you progress, discover the power of wiedling two Lightsabers or the ultimate double-bladed Lightsaber made famous by Darth Maul. Customize your character by defining both look and gender before entering the Academy to learn the power and dangers of the Force. Dark Forces set the industry standard for first person action in the Star Wars® universe. Construct your own Lightsaber from handle to blade. Get Free Steam SWJA game PreinstalledĬustomize your character by defining both look and gender before entering the Academy to learn the power-and dangers- of the Force. Customize your character by defining both look and gender before entering the Academy. Fight for good and freedom on the light side or follow the path of power and evil to the dark side. Interact with famous Star Wars characters in many classic Star Wars locations as you face the ultimate choice: fight for good and freedom on the light side or follow the path of power and evil to the dark side. Star Wars Jedi Knight: Jedi Academy Install-Game: Interact with famous Star Wars characters in many classic Star Wars locations as you face the ultimate choice. The Jedi Knight Neural Upscale Texture Pack and the Enhancement mod all together in a nice installer In versions 1.0 and 2. Take on the role of a new student eager to learn the ways of the Force from Jedi Master Luke Skywalker. Welcome to Jedi Knight Remastered This installation file will install the JKGFXMOD in versions 1.0 or 2.0 and the OpenJKDF2 in Version 3 and up. STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD™ AND WALT DISNEY, INC.™ STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD™ & DISNEY, INC.Star Wars Jedi Knight Jedi Academy Direct Downloadįorge your weapon and follow the path of the Jedi Jedi Knight: Jedi Academy is the latest installment of the highly acclaimed Jedi Knight series. Jedi Academy and Jedi Outcast cache server list in a file called servercache.dat (located in GameData directory), so in case the master server is unreachable you can still refresh the list in-game. ![]() ELEMENTS™ & © LUCASFILM LTD.™ & DISNEY, INC.™ AND/OR ITS LICENSORS. THIS FILE IS NOT MADE, DISTRIBUTED, OR SUPPORTED BY ACTIVISION PUBLISHING, INC., RAVEN SOFTWARE, OR LUCASARTS ENTERTAINMENT COMPANY, LLC. Simply drag and drop the "bonus.pk3" file into the correct "base" folder if it has been installed to the wrong location. The default path is "C:\Program Files\LucasArts\Star Wars Jedi Knight Jedi Academy\GameData\base". STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD & DISNEY, INC. Download full Star Wars Jedi Knight 3: Jedi Academy. STAR WARS®, JEDI®, & JEDI KNIGHT® ARE REGISTERED TRADEMARKS OF LUCASFILM LTD AND WALT DISNEY, INC. Troubleshooting If you do not see the new maps listed in-game, ensure that the file "bonus.pk3" is located in your installation's "GameData\base" folder. Star Wars Jedi Knight 3: Jedi Academy Download (2003 Arcade action Game). ![]() The maps will appear at the top of the map selection menu when you host your own game in multiplayer. Unzip to your Jedi Academy Installation folder. ![]() Jedi Academy Bonus maps from Raven Sofware 4/9/2024 0 Comments Graph spherical coordinates![]() The procedure of drawing any 3d objects, including 3d pyramid, cone, and funnel you mentioned, is the same. Once you have that down, turning the circle into a sphere is trivial by merely specifying an azimuth and adapting the original DrawCube routine. The smaller your deltaTheta, the "rounder" the circle is going to look. implement your rho (your radius) and implement a theta around a full 2PI but use no azimuth angle. Zero the azimuth in calculations)Īfter you have it rendering a quadrilateral, try and adapt it to draw a *circle*. Plug some in and play away!Īs a starting point, try and deconstruct the DrawCube to the point that it renders a singular quadrilateral plane (i.e. Try creating it as an exercise.all of the math has been provided except for the rho that you wish to use, your standard theta and your azimuth. Realize that drawing a "smoothed" Sphere in spherical coordinates is just the product of subdividing a cube over and over and over again. NET framework.ĭid you not notice that adding DrawSphere to the project was part of the article? With DrawCube provided, it shouldn't be all that difficult to implement your own DrawSphere. Currently, he is responsible for developing commercial CAD tools based on Microsoft. He has over 15 years programming experience in Basic, Fortran, C, C++, Matlab, and C#, specializing in numerical computation methods, algorithms, physical modeling, computer-aided design (CAD) development, graphics user interface, and 3D graphics. Jack Xu has a Ph.D in theoretical physics. For more information, please visit the website at About the Authorĭr. This project is from the examples (example5-6 in Chapter 5) of the new book "Practical C# Charts and Graphics", where you can find more advanced chart and graphics programming for real-world. By building and running this project, you should obtain the results shown in Figure 2.įigure 2: Spheres created in a spherical coordinate system. Here we create two spheres with different radii and positions. G.SmoothingMode = SmoothingMode.AntiAlias ĭrawSphere ds = new DrawSphere( this, a, 0, 0, -a / 2) ĭs = new DrawSphere( this, 2 * a / 3, -a/2, -a/2, a / 2) ![]() Private void panel1Paint( object sender, PaintEventArgs e) Panel1.Paint += new PaintEventHandler(panel1Paint) Subscribing to a paint eventhandler to drawingPanel: This.SetStyle(ControlStyles.ResizeRedraw, true) The Matrix3 class has been discussed in Chapter 5 of my new book " Practical C# Charts and Graphics". Now we need to add a Spherical method to the Matrix3 class. And also add a new class, DrawSphere, to the project. We need to add the Matrix3 and Point3 classes to the current project. The following example application program will create two spheres. Sometimes it is more convenient to create sphere-like objects in terms of the spherical coordinate system. The spherical coordinates (r, θ, φ) are related to the Cartesian coordinates by: Figure 1 shows a point in this spherical coordinate systemįrom this figure, we can obtain the following relationships: In this notation, I alternate the conventional Y and Z axes so that the computer screen is described by the X- Y plane. Here r is the distance from the point to the origin, θ is the polar angle, and φ is the azimuthal angle in the X- Z plane from the X axis. In the spherical coordinate system, a point is specified by r, θ, and φ. In this article, I will discuss the spherical coordinate system in 3D space and show you how to create the spherical graphics objects in this system. In practice, other coordinate systems can also be applied, and are sometimes more convenient than the Cartesian coordinate system. In this case, you simply specify a point using X, Y, and Z coordinates. \): A cylindrical box \(B\) described by cylindrical coordinates.Normally, the Cartesian coordinate system is used in transformations and projections for graphics objects. 4/9/2024 0 Comments Example of sound diffractionIt is instructive to examine simulations of wave-based models to see where classic ray-based models fall short. While classic ray-based models model reflections by casting rays and making them reflect on surfaces, they typically neglect the wave properties of sounds, like diffraction. In contrast, ray-based models of sound propagation use rays to represent a single point on a wavefront that will eventually reach the listener, and is therefore a much simpler calculation. However, simulating sound propagation using wave-based methods often requires that the pressure is known at any given position and time, which is very expensive both in CPU and memory. In short, wave-based methods are more accurate in principle because they naturally simulate all the complex behaviors of waves. In his blog, our former colleague Benoit Alary explains diffraction, and describes the difference between ray-based and wave-based methods for simulating sound propagation. Wave-Based and Ray-Based Methods for Simulating Sound Propagation įigure 1 - Waves bend around edges due to diffraction.īefore considering why and how sound designers can use diffraction from a practical standpoint, it is necessary to describe what it is in more detail. This is the reason why voices sound somewhat dull when heard from next room”. Consequently, low-frequency sound waves will spread over a larger angle around a corner than high-frequency waves. On the other hand, behind large obstacles no sound is observed. If the obstacle is small compared to the wavelength, the propagation seems to be unhindered by the obstacle. “The amount of diffraction depends on the wavelength and the size of the obstacle. One of them is diffraction, which refers to “the bending of waves around the corners of an obstacle or through an aperture”. Sound propagates as a wave and is subject to its behaviors. Since different colors diffract by different amounts, white light seen through a diffraction grating will spread out into its component colors as shown in this YouTube of incandescent and florescent diffraction.Part 1: Distance Modeling and Early Reflections A diffraction grating is a piece of glass or plastic with a series of very small grooves, each of which acts like a slit.Why is the light pattern complicated instead of a simple spot? What is the difference in the light pattern between the single slits and the double slits? Finally the laser is shone through a series of double slits. Then the laser is shone through single openings of different sizes. The first is a square opening, the second a hexagonal opening. A red laser beam is shone through several different small openings. Notice that the plane waves on the right spread out into a circle on the left after passing through the small opening. You are looking down onto the surface of a tray of water. Here water waves travel through an opening about the same size as the wavelength and change their direction. Likewise sunsets are orange because when the sun is on the horizon the path the light travels to reach us passes through more atmosphere and even more violet/blue is removed. ![]() The sun looks a little more yellow than it really is because the violet/blue part of the spectrum has been removed (scattered out in other directions). Violet and a little blue light is scattered but since our eyes are not as sensitive to violet we see the blue. ![]() The sky is blue because clusters of nitrogen and oxygen molecules (which make up most of the atmosphere) have resonances at the same frequency of violet light. The wave is first absorbed and then re-emitted in all directions (or sometimes perpendicular to the incident direction). Scatteringis a similar phenomenon that occurs when a wave interacts with an object that has a resonance frequency the same as the wave frequency. We only notice diffraction when the opening or object is close to the size of the wavelength, so to see diffraction of light it needs to pass through a much smaller opening than a doorway. |
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