How Quantum Levitation Works

Some videos on the internet show something called quantum levitation. What is this? How does it work? Will we be able to have flying cars? Quantum levitation as it is called is a process where scientists use the properties of quantum physics to levitate an object (specifically, a superconductor) over a magnetic source (specifically a quantum levitation track designed for this purpose). The Science of Quantum Levitation The reason this works is something called the Meissner effect and magnetic flux pinning. The Meissner effect dictates that a superconductor in a magnetic field will always expel the magnetic field inside of it, and thus bend the magnetic field around it. The problem is a matter of equilibrium. If you just placed a superconductor on top of a magnet, then the superconductor would just float off the magnet, sort of like trying to balance two south magnetic poles of bar magnets against each other. The quantum levitation process becomes far more intriguing through the process of flux pinning, or quantum locking, as described by Tel Aviv University superconductor group in this way: Superconductivity and magnetic field [sic] do not like each other. When possible, the superconductor will expel all the magnetic field from inside. This is the Meissner effect. In our case, since the superconductor is extremely thin, the magnetic field DOES penetrates. However, it does that in discrete quantities (this is quantum physics after all! ) called flux tubes.Inside each magnetic flux tube superconductivity is locally destroyed. The superconductor will try to keep the magnetic tubes pinned in weak areas (e.g. grain boundaries). Any spatial movement of the superconductor will cause the flux tubes to move. In order to prevent that the superconductor remains trapped in midair.The terms quantum levitation and quantum locking were coined for this process by Tel Aviv University physicist Guy Deutscher, one of the lead researchers in this field. The Meissner Effect Lets think about what a superconductor really is: its a material in which electrons are able to flow very easily. Electrons flow through superconductors with no resistance, so that when magnetic fields get close to a superconducting material, the superconductor forms small currents on its surface, canceling out the incoming magnetic field. The result is that the magnetic field intensity inside  of the surface of the superconductor is precisely zero. If you mapped the net magnetic field lines it would show that theyre bending around the object. But how does this make it levitate? When a superconductor is placed on a magnetic track, the effect is that the superconductor remains above the track, essentially being pushed away by the strong magnetic field right at the tracks surface. There is a limit to how far above the track it can be pushed, of course, since the power of the magnetic repulsion has to counteract the force of gravity. A disk of a type-I superconductor will demonstrate the Meissner effect in its most extreme version, which is called perfect diamagnetism, and will not contain any magnetic fields inside the material. Itll levitate, as it tries to avoid any contact with the magnetic field. The problem with this is that the levitation isnt stable. The levitating object wont normally stay in place. (This same process has been able to levitate superconductors within a concave, bowl-shaped lead magnet, in which the magnetism is pushing equally on all sides.) In order to be useful, the levitation needs to be a bit more stable. Thats where quantum locking comes into play. Flux Tubes One of the key elements of the quantum locking process is the existence of these flux tubes, called a vortex. If a superconductor is very thin, or if the superconductor is a type-II superconductor, it costs the superconductor less energy to allow some of the magnetic field to penetrate the superconductor. Thats why the flux vortices form, in regions where the magnetic field is able to, in effect, slip through the superconductor. In the case described by the Tel Aviv team above, they were able to grow a special thin ceramic film over the surface of a wafer. When cooled, this ceramic material is a type-II superconductor. Because its so thin, the diamagnetism exhibited isnt perfect ... allowing for the creation of these flux vortices passing through the material. Flux vortices can also form in type-II superconductors, even if the superconductor material isnt quite so thin. The type-II superconductor can be designed to enhance this effect, called enhanced flux pinning. Quantum Locking When the field penetrates into the superconductor in the form of a flux tube, it essentially turns off the superconductor in that narrow region. Picture each tube as a tiny non-superconductor region within the middle of the superconductor. If the superconductor moves, the flux vortices will move. Remember two things, though: the flux vortices are magnetic fieldsthe superconductor will create currents to counter magnetic fields (i.e. the Meissner effect) The very superconductor material itself will create a force to inhibit any sort of motion in relation to the magnetic field. If you tilt the superconductor, for example, you will lock or trap it into that position. Itll go around a whole track with the same tilt angle. This process of locking the superconductor in place by height and orientation reduces any undesirable wobble (and is also visually impressive, as shown by Tel Aviv University.) Youre able to re-orient the superconductor within the magnetic field  because your hand can apply far more force and energy than what the field is exerting. Other Types of Quantum Levitation The process of quantum levitation described above is based on magnetic repulsion, but there are other methods of quantum levitation that have been proposed, including some based on the Casimir effect. Again, this involves some curious manipulation of the electromagnetic properties of the material, so it remains to be seen how practical it is. The Future of Quantum Levitation Unfortunately, the current intensity of this effect is such that we wont have flying cars for quite some time. Also, it only works over a strong magnetic field, meaning that wed need to build new magnetic track roads. However, there are already magnetic levitation trains in Asia which use this process, in addition to the more traditional electromagnetic levitation (maglev) trains. Another useful application is the creation of truly frictionless bearings. The bearing would be able to rotate, but it would be suspended without direct physical contact with the surrounding housing so that there wouldnt be any friction. There will certainly be some industrial applications for this, and well keep our eyes open for when they hit the news. Quantum Levitation in Popular Culture While the initial YouTube video got a lot of play on television, one of the earliest popular culture appearances of real quantum levitation was on the November 9 episode of Stephen Colberts The Colbert Report, a Comedy Central satirical political pundit show. Colbert brought scientist Dr. Matthew C. Sullivan from the Ithaca College physics department. Colbert explained to his audience the science behind quantum levitation in this way: As Im sure you know, quantum levitation refers to the phenomenon whereby the magnetic flux lines flowing through a type-II superconductor are pinned in place despite the electromagnetic forces acting upon them. I learned that from the inside of a Snapple cap.He then proceeded to levitate a mini cup of his Stephen Colberts Americone Dream ice cream flavor. He was able to do this  because they had placed a superconductor disk within the bottom of the ice cream cup. (Sorry to give up the ghost, Colbert. Thanks to Dr. Sullivan for speaking with us about the science behind this article!)

Kids Activity Make Your Own Metal Detector at Home

Any child who has seen a metal detector in action knows how exciting it is when you find some buried treasure. Whether it’s real treasure or just a coin that fell out of someone’s pocket, its a source of excitement that can be harnessed for learning. But professional-grade metal detectors and even build-your-own metal detector kits can be expensive. You may be surprised to learn that your child can make her metal detector with just a few, easy-to-find items. Try this experiment! What Your Child Will Learn Through this activity, she will gain a simple understanding of how radio signals work. Learning how to amplify those sound waves results in a basic metal detector. What Youll Need A small, battery-powered portable radio with AM and FM bandsA small, battery-operated calculator (not a solar-powered one)Working batteries for both devicesDuct tape How to Make Your Own Metal Detector Switch the radio to the AM band and turn it on. It’s likely your child hasnt seen a portable radio before, so let her examine it, play with the dials and see how it works. Once she’s ready, explain to her that a radio has two frequencies: AM and FM.Explain that AM is the abbreviation for the â€Å"amplitude modulation† signal, a signal that combines audio and radio frequencies to create a sound signal. Since it uses both audio and radio, it’s very prone to interference, or signal blocking. This interference is not optimal when it comes to playing music, but its a great asset for a metal detector.Turn the dial as far to the right as possible, making sure to find only static and not music. Next, turn up the volume as high as you can stand it.Hold the calculator up to the radio so that they are touching. Align the battery compartments in each device so that they are back-to-back. Turn on the calculator.Next, holding the calculator and radio together, find a m etal object. If the calculator and radio are aligned correctly, you will hear a change in the static that sounds sort of like a beeping sound. If you don’t hear this sound, slightly adjust the position of the calculator on the back of the radio until you do. Then, move away from the metal, and the beeping sound should revert to static. Tape the calculator and the radio together in that position with the duct tape. How Does It Work? At this point, youve made a basic metal detector, but you and your child may still have some questions. This is a great learning opportunity. Start the conversation by asking her some questions, such as: What type of things does the metal detector react strongly to?Which things don’t cause a reaction?Why wouldnt this work if the radio was playing music instead of static? The explanation is that the circuit board of the calculator emits a barely detectable radio frequency. Those radio waves bounce off metal objects and the AM band of the radio picks up and amplifies them. That’s the sound you’re hearing when you get close to metal. Music being transmitted over the radio would be too loud for us to hear the radio signal interference.

Challenges Faced By Starbucks Swot Analysis - 1547 Words

COURSE ID: NAME: SUBMITTED TO: SUBMITTED BY: DATE: TABLE OF CONTENTS Part 1.1 Introduction of the report Overview of the company Products adapting strategy Problems associated with clients Challenges faced by Starbucks Part 1.2 Situational analysis SWOT analysis PESTEL analysis Mc Kinsey 7s ASSESSMENT 5 PART 1.1: INTRODUCTION OF THE REPORT: In this section we have to discuss the company brief introduction such as how the company is facing client’s problems and how this company suggests solutions of the problems OVER VIEW OF THE COMPNAY: The STARBUCKS the well known brand of coffee who is selling high quality of roasted coffee beans the company is operating in more than 7300 coffee shops in USA and approximately 3000 in other 34 countries. Starbucks offers a great range of coffee beside this the company also feature Tazo teas; pastries and other food items; espresso machines, coffee brewers, and other coffee- and tea-related items; and music CDs. It is a public company having 115,000 employees. The company delivers its business by promoting and delivering its coffee to restaurants, hotels, educational institutions, health care centers and many airlines as well to enhance the sales growth of the business of the company In addition, Starbucks markets its coffee through grocery stores, food service customers, and licenses its brand for other food and beverage products. Starbucks having a variety of products and a wide range of productsShow MoreRelatedStarbucks Keeps It Brewing in Asia1676 Words   |  7 PagesAssignment #1: Starbucks Keeps It Brewing In Asia Sarah Bean Consumer Behavior MK510 Professor Kelly Bruning April 15, 2012 Abstract The following paper will discuss how Starbucks would utilize tea and instant coffee in marketing and conducting business in Asia. In this particular aspect I will discuss the culture, habits, and perceptions of tea on the Asian culture. Starbucks has the opportunity to capitalize on a top fixtureRead MoreSWOT Analysis of Starbucks1304 Words   |  5 Pagesï » ¿Starbucks SWOT Analysis Name Institutional Affiliation: Starbucks SWOT Analysis Introduction Starbucks Corporation is a world coffee company and a house chain with headquarters in Seattle, Washington. This company is the largest in the world with most of its activities dealing with coffee-products making. It has twenty thousand three hundred and sixty six stores in sixty-one countries. Most of the stores are in the United States of America. Starbucks Company trades cold drinks and hot drinksRead MoreThe Starbucks Corporations Marketing Strategy1293 Words   |  5 PagesStarbucks Marketing Strategy: The Starbuck Corporation is considered as the one of the leading firms across the globe in specialty coffee consumption. 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Siddhartha, owner and chairman, Amalgamated Coffee Bean Trading Company, initiated his career as a trader of coffee post the de-regularization of the coffee market in 1993. He then started India’s biggest retail coffee chain – Cafà © Coffee Day (CCD). Since its inception

The Catcher in the Rye by J.D. Salinger - 654 Words

Is this book about baseball? Is the main character an outfielder? Do I really have to read all of it, or can I use SparkNotes? These were the first questions that came to my mind when I received the first assignment notice that we would be reading The Catcher in the Rye for English class. The title is most likely the single most important word choice that the author must make. J.D. Salinger uses the title in the book to allude to more than just when Holden sees the young child singing. J.D. Salingers title, The Catcher in the Rye, alludes to the conflict Holden faces of sexuality when growing up. The first reference made to the title of the book is when Holden is found in his usual setting of roaming the streets of Manhattan depressed. He passes by a family that is leaving church. When he walks by he notices the little boy is singing If a body catch a body coming through the rye. For a moment, this makes Holden not so depressed because he is a fan of little children and their innocen ce to the world. The references to the title of the book disappear until a few chapters later when Phoebe corrects Holden that it is if a body meets a body. She also corrects him on the fact that it is not a song, but rather a poem written by Robert Burns. Delving deeper, I looked at the entire poem by Robert Burns. The poem reads as the following: Coming thro the Rye (1796) Coming thro the rye, poor body, Coming thro the rye, She draiglet a her petticoatie Coming thro theShow MoreRelatedThe Catcher in the Rye by J.D. Salinger637 Words   |  3 PagesThe Catcher in the Rye, by J.D Salinger, consists of many minor characters. There are more than about sixty characters in the novel in which only three of them are major characters (Holden, Allie, and Phoebe) and the rest minor. Many of these characters are just mentioned with no lasting impact on either the novel itself or Holden. 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Salinger’s novel, Holden Caulfield has to deal with the loss of his younger brother to leukemia. A few years after his younger brother, Allie, passed away, Holden finds himself being kicked out of yet another boarding school, this one being Pencey Prep in Pennsylvania. HoldenRead MoreThe Catcher in the Rye by J.D. Salinger1104 Words   |  4 Pages J.D. Salinger has written multiple novels, but his most famous is The Catcher in the Rye. Not only is this novel famous for its literary merit, it is also known as his most banned novel in certain schools. Even though this novel has been banned, J.D. Salinger’s themes and moralistic purposes serve literary worth. In The Catcher in the Rye, the reader is first introduced to Holden Caulfield, as first person narrator. He is a radically independent adolescent who tosses off judgments at ease unselfconsciouslyRead MoreThe Catcher in the Rye by J.D. Salinger983 Words   |  4 PagesCatcher in the Rye Essay Throughout Catcher in the Rye there are a lot of small parts of the story where it would be linked to the book and to the text all together. J.D. Salinger created a lot of important passages that would be associated with what type of message that he was trying to convey to the audience. Salinger would develop certain characters like Phoebe through her description and actions to have a influence on Holden, thus causing him to change as a character and reveal sides of himRead MoreThe Catcher in the Rye by J.D. Salinger507 Words   |  2 PagesJ.D Salinger is a very known american writer whose literature became very popular. His books revolved around many ideas such as his view on children. Children in many of his books have an innocence that Salinger grasps onto and makes adults corrupt. Also, he shows how children are teachers to adults but can still be foolish. Purity in children are expressed throughout many stories by Salinger. 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Trend of People Towards Fast Food Consumption free essay sample

Hamza Shahid Department of management sciences Institute of management sciences (Pak-AIMS) Lahore, Pakistan [emailprotected] com Abstract- The study has been to find out the business opportunity in fast food industry and the factors associated with its expansion at such a rapid face. The study has revealed such valuable factors associated with the fast food consumption and fast food business which provide us with significant proof to invest in the fast food business. The study is exploratory in nature. This is an applied research which has given positive sign for the investment in the fast food business. Introduction Today in the 21st century the life is so fast paced that people even do not have the time for making themselves proper meals at homes. This has also taken people away from healthy food and hygienic food consumption. This fast paced life style has lead people towards adapting new ways of eating. It has also changed the culture of the country; people are significantly indulged in consumption of fast food. People are tilted towards consuming fast food because it involves less hustle and is easy to get. This is the point where fast food industry has grown and many large brands like Hardies, McDonalds, KFC and many other local brands have entered the industry in Pakistan. With the intervention of these fast food companies entering in the market it has turned fast food business into a golden opportunity for investment and to earn more and more profit. This research work is carried to identify the factors that are pivotal towards the growth in fast food industry in Pakistan. The focus of the study is to find out the most important factors that are associated with success of fast food industry in Pakistan. The research will also identify the factors that has made this business such a great success mantra in the country. Secondly the literature showed that significant level of increase in the restaurants in Lahore city. The number of increased restaurants in Lahore is a clear signal towards the change. A). Observation â€Å"New restaurants in Lahore† B). Problem definition â€Å"Business opportunity in food industry in Lahore† II. Preliminary Data Gathering The tools that have been used over here are as follows: ? Literature review ? Interviews A). Literature review: The first step towards the data gathering was the literature review. The literature review showed that there is a significant change in the culture of the citizens of Lahore. The literature showed that female induction into the society has played a great role in changing the eating habits of the people. The research work done previously by the students of Pak Aims 081 batch â€Å"Hunter and Kd. † The research report served as the base for this research work. It helped to identify that there is a growing business opportunity. It also showed that there were some factors discussed that were playing a pivotal role in the fast growing fast food business. Secondly the literature showed that significant level of increase in the restaurants in Lahore city. The number of increased restaurants in Lahore is a clear signal towards the change. The literature showed that due to fast paced and busy life people have changed their consumption culture. The reason is that people want convenience. The age group which is from 10 to 35, the targeted for this industry, is almost 60% of total population as shown in the age pyramid. [pic] It is expected that the target age group is going to be doubled till 2020. So there is a lot of room for new business to enter. Then changing trends of people regarding hoteling and social gathering has changed a lot. The major role is played by the presence of women in the education sector and job market. Now almost there is a 60, 40 ratio of men and women studying or working in universities and different organizations. And in coeducation system students who go for hangout with some female friends or some male and female colleagues go out for lunch. Now because of the presence of women they are not going to go to a local restaurant like ‘Fazal Karahi, sardar machli or any other restaurant that is situated in Laxmi Chawk. They are going to go to a more sophisticated place like a fast food restaurant like KFC, McDonald’s or salt pepper. The culture has changed a lot. Now people prefer to go to such sophisticated places in the presence of females B). Interviews: As mentioned above there was no significant literature available about the fast food industry of Pakistan. In order to get the right results and to get unbiased answers informal interviews were conducted so that grave factors associated with this fast growing business can be identified. Informal interviews lead towards the factors that were part of decision making of the people and enabled to determine the situations in which they preferred to consume fast food rather than regular meals. These informal interviews with the people at random places like cafeteria, parking areas class rooms etc. rovided with such factors that were highly associated with the purchase preference. III. Theoretical framework The theoretical framework consists of the following: †¢ Identification of variables †¢ Prioritizing the variables †¢ Thematic diagram †¢ Nature and direction †¢ Logical statement A). Identification of variables: †¢ Gender †¢ Cost of food †¢ Brand à ¢â‚¬ ¢ Market structure †¢ Variety in fast food †¢ Quality of food †¢ Ease of access †¢ Aesthetics †¢ Retail environment †¢ Bundle offers †¢ Economic conditions †¢ Consumer buying power †¢ Time †¢ Social gathering B). Prioritizing the variables: Here we have covered both perspectives: †¢ Consumer side: Bundle offers and Cost of food †¢ Seller side: Brand name and Ease of access [pic] C). Nature and direction †¢ A sale of fast food is directly related to bundle offers with quality playing a mediating role. †¢ Sales and cost of fast food are inversely related with each with market structure playing a mediating role. †¢ Sales and brand name are directly and positive relations with each other. †¢ Sales and ease of access have positive and direct relation. D). Logical statements †¢ If the bundle offers will increase then the sales will increase. If the cost of food will decrease then sales will increase. †¢ If the brand name is catchy than sales will increase. †¢ If ease of access increase then sales will increase. IV. Methodology A). Purpose of Study: It is an exploratory research B). Type of Investigation: It’s correlational because it is about exploring the key factor associa ted with business growth or opportunity in fast food business in Pakistan. C). Extent of Interference: To make sure that there was no biasness in the research it was carefully monitored that there was no personal influence on the research. The research work has no personal ideas that are shared over here. D). Sampling Plan: Data collection has been done through the questionnaire †¢ Quota sampling †¢ Methods used to calculate the statistics was mean, median and mode. E). Unit of analysis: In order to get accurate results it was important to have the views from the fast food business managers. Secondly it helped to gain deeper insight of success mantra of this business in Pakistan. So quota sampling was opted and further the unit of analysis chosen was dyads. Dyads means two groups were selected for the research both were interrelated to the research. It helped to study the pattern of the society, facts behind this fast adaption to fast food culture and business practices that are involved in making it grow in such fast pace in Pakistan. F). Study setting: The study was conducted in natural setting as the research was to be unbiased and pure. The reason behind it was to capture the first-hand experience of the people so that it enumerates the exact situation of the business. G). Time Horizon: It is longitudinal because the study is related to a particular time period. The research work has been conducted for the year 2012. The research is valid for the current time period. H). Data analysis: |Variables |Questionnaires results | | |Frequency |Percentage | |Cost |16 |25. 80645161 | |Ease of access |18 |29. 03225806 | |Bundle offers |18 |29. 03225806 | |Brand |10 |16. 12903226 | | |62 |100 | a. [pic] | | | |[pic] | | | | | | | |Findings: | | | | | | | |The results have shown that the cultural changes that have been observed are | | | |serving as a strong factor towards the strong shift of the people towards the| | | |fast food. The bundle offers that provide the luxury of having extra food | | | |have its role to play for this. These bundle offers attract the people | | | |towards them. The people in the working arenas also prefer fast food, so in | | | |short cultural change has led to the change of pupil frame of mind. The | | | |other fact was this that due to increased number of female workers and | | | |students in society has led towards increased consumption of fast food, the | | | |reason is it provides good socializing event. | | | |The second thing is the cost of the fast food over the conventional food of | | | |has made it more adaptive and it’s become modern fad. The low cost of food | | | |and bundle offers that fast food has to offer to the people makes it lighter | | | |on pocket and people can enjoy the food in social gatherings. The low cost of| | | |fast food makes its more all the rage and a source of enjoyment. | | | |The Pakistani’s love to be associated with the brand names. Especially the | | | |youth is very keen to be associated with catchy brand names. The people | | | |prefer to have branded food and look trendy in the society. | | |Another fact that has proved its importance towards the success of the fast | | | |food business in Pakistan is the lack of time by the people for cooking. As | | | |the research was conducted in offices so that accurate result could be | | | |yielded people responses showed that they don’t have enough time to cook food| | | |at home. They said that fast food is easy to get and they can have it any | | | |time of the day even during their work. People working in the offices claimed| | | |that it saves them from hustle (especially females. of cooking of food at | | | |home and bringing in to the offices. | | | |Conclusion: | | | | | | | |The conclusion from the research work is that the main reasons behind the | | | |success of fast food business are the cultural changes in Pakistan. The fast | | | |food culture has enrooted itself deep into the youth and corporate people. | | |The ease of access and low cost of food has led towards quick adaption of the| | | |people towards the fast food. Hence it provides sufficient proof that | | | |investing in fast food business will lead towards good fortunes. | | | |Acknowledgement: | | | | | | | |Praise is to Allah Almighty, the one testing us all at all times and making | | | |decisions about what we don’t know and can’t know. Writing this report | | | |appeared to be a great experience to me. It added a lot to my knowledge while| | | |I was working on this report. If I say that this report is one of my | | | |memorable experiences in student life, then it would not be wrong. | | | | | | | |I owe profound gratitude to Mr. Asim Butt for stimulating my creative | | | |abilities by assigning this report to me. I am immensely obliged to all my | | | |fellow students who guided me in making this report, without whose | | | |considerate attention and interest, it would be difficult for me to complete | | | |this report on time. Whatever I have learnt from them and this project report| | | |has put indelible impression on my mind. | | | | | | | |It is my conviction that this learning experience will always be a source of | | | |help in my practical life and professional career. | | | | | | | | | | |References: | | | | | | | | | | | Impact of Fast Food Consumption on Health http://education. lokoi. com/impact-of-fast-food-consumption-on-health ? Abdullah Kd. Ahmad, Women are more into consumption of fast food then men, RMT, IMS ? Ayesha Baig, Scholars, Management Sciences Department Riphah International University, Islamabad, Pakistan http://www. eurojournals. com/EJEFAS. htm ? A Research Report on â€Å"Consumer Involvement level of fast food industry http://www. scribd. com/doc/26246123/%E2 %80%9CConsumer-Involvement-level-of-fast-food-industry-in-Lahore-Pakistan [pic]

Ways of Laughing free essay sample

Ways Of Laughing Laugh: to make sounds with your voice, usually when you are smiling, because you think something is funny. Belly laugh: a laugh that cannot be controlled. Giggle: to laugh repeatedly in a silly way because you are amused, embarrassed or nervous. snigger: to laugh unkindly and quietly, especially at something that is not meant to be funny. chuckle: to laugh quietly, especially because you are thinking about something funny. to roar/howl with laughter: to laugh very loudly because you think something is funny. be in hysterics: to laugh uncontrollably. crack up: to suddenly start laughing a lot. rin: to smile widely. beam: to smile with obvious pleasure. smirk: a smile that expresses satisfaction about having done something or knowing something that is not known by someone else. simper: to smile in a silly or annoying way. mock: to laugh at someone, often by copying them in a funny but unkind way. We will write a custom essay sample on Ways of Laughing or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page fall about laughing: to laugh without being able to stop. to crease somebody up: to make someone else laugh a lot. Ways of laughing: Idioms * A laughing stock: someone who does something very stupid which makes other people laugh at them. â€Å"  I cant cycle around on that old thing! Ill be the laughing stock of the neighbourhood. † * To not be a barrel of laughs: to not be enjoyable. Hes a bit serious, isnt he? Yeah, not exactly a barrel of laughs. * To not be a bundle of laughs: to not be entertaining or enjoyable. ‘Shes not a bundle of laughs’. * Be laughing all the way to the bank  : if someone is laughing all the way to the bank, they have made a lot of money very easily, often because someone else has been stupid; â€Å"If we dont take this opportunity, you can be sure our competitors will and theyll be laughing all the way to the bank. * Be laughing on the other side of  your  face  /mouth  : if you say someone who is happy will be laughing on the other side of their face, you are angry about the thing that is making them happy and think that something will soon happen to upset them. â€Å"  Youll be laughing out of the other side of your face if you fail your exams. † * Be laughing up  your  sleeve: to laugh at someone secretly, often in an unkind way. â€Å"He persuaded people to believe in him and all the time he was laughing up his sleeve at them. * Be no laughing matter: if a subject is no laughing matter, it is serious and not something that people should make jokes about. â€Å"Its no laughing matter having to walk by a group of rowdy drunks every night just to get home. † * Burst out laughing: to begin to laugh suddenly. â€Å"The entire audience burst out laughing when the clown took a fall. † * To die laughing  : to laugh very long and hard. â€Å"The joke was so funny that I almost died laughing. â€Å" * Dont make me laugh: something that you say when someone has suggested something that you think is not at all likely to happen. You never know, Pete might help out. Pete? Help out? Dont make me laugh! † * For kicks and for laughs; for giggles: for fun; just for entertainment; for no good reason. â€Å"They di dnt mean any harm. They just did it for kicks. † * Get a laugh: to do something that will create laughter. â€Å"John will do almost anything to get a laugh. † * Have the last laugh: to make someone who has criticized or defeated you look stupid by succeeding in something more important or by seeing them fail. â€Å"They fired her last year but she had the last laugh because she was taken on by their main rivals at twice the salary. * â€Å"He who laughs last, laughs longest/best:  If someone does something nasty to you, that person may feel satisfaction, but you will feel even more satisfaction if you get revenge on that person. â€Å"Joe pulled a dirty trick on me, but Ill get him back. He who laughs last, laughs best. † * Not  knowing whether to laugh or cry: to be extremely upset by something bad that has happened. â€Å"Then they announced that my flight was delayed for ten hours. I didnt know whether to laugh or cry. † * Laugh about  someone or something: to chuckle or giggle loudly about someone or something. They were laughing about my haircut. † * â€Å"Laugh and the world laughs with you; weep and you weep alone†:  When you are happy, people will want to be around you and share your happiness, but when you are sad, people will avoid you. â€Å"-Nancy: When Harry and I were dating, all our friends invited us places and called to say hello. Now that weve broken up, they treat me as if I dont exist. -Jane: Laugh and the world laughs with you; weep and you weep alone. † * Laugh at  someone or something: to chuckle or giggle loudly at someone or something, perhaps in ridicule. Thank goodness, the audience laughed at all my jokes. † * Laugh  something  away: 1. to spend an amount of time laughing. â€Å"We laughed the hour away listening to the comedian. â€Å" 2. to get rid of something negative by laughing. â€Å"She laughed away her problems. † * Laugh away at  someone or something: to continue to laugh at someone or something. â€Å"All the c hildren at the party laughed away at the magician. † * Laugh ones head off: Fig. to laugh very hard and loudly, as if ones head might come off. â€Å"I laughed my head off at Marys joke. * Laugh in  someones  face: to laugh in derision directly to someones face, to show displeasure or ridicule at something one has said by laughing directly into ones face. â€Å"After I heard what she said, I just laughed in her face. † * Laugh like a drain: to laugh very loudly. â€Å"I told her what had happened and she laughed like a drain. † * Laugh something off: to treat a serious problem lightly by laughing at it. â€Å"Although his feelings were hurt, he just laughed the incident off as if nothing had happened. He laughed off the incident. † â€Å"It’s not easy to laugh off an insult. She criticizes his work constantly but he doesnt get angry, he just laughs it off. † * Laugh  someone  off the stage: to laugh rudely, forcing a person to leave a stage. â€Å"The children laughed the soprano off the stage. She really wasnt very good, you know. † * Laugh oneself silly:   to laugh very, very hard. â€Å"I laughed myself silly when I heard that she was really going to give him her phone number. I couldn’t believe that! † * Laugh with  something: to laugh in a particular manner. â€Å"Max laughed with malice as he saw his plan beginning to work. * Be a laugh a minute: very funny and entertaining. It is often used humorously to mean the opposite as well. â€Å"Pauls clever screenplay makes this new comedy a laugh a minute. † Also used sarcastically: A two-hour meeting with your son’s teacher? I bet that was fun. Oh, it was a laugh a minute. Fill in the gaps 1- Laura ________ when I told her my secret. Nobody but her kno ws about it. 2- He was so nervous that he just couldn’t stop _________. 3- The Principal didn’t notice that all the children were __________ him. 4- Eric is not a funny person, you know? He’s not what you would call a ________________________. 5- The story was so funny! We couldn’t stop ______________. 6- Danny told Emily a joke in the library and they started _____________ together. CHUCKLING 7- When Orlando saw the way Clare was dressing, he tried to suppress a __________ 8- The kids didn’t mean to ruin your mattress, they were jumping on it just for ________________. 9- When she knew he was going to break up with her she just _________ it away and went shopping with her friends. 10- Carl took that job opportunity that you rejected and now he’s ___________________.