A complaint was received by the president of a major car company:“This is the fourth time I have written to you , and I don't blame you for not answering me because must sound crazy, but it is a fact that we have a tradition in our family of having ice-cream for dessert after dinner each night. Every night after we've eaten, the family votes on which flavor(味道)of ice-cream we should have and I drive down to the store to get it. I recently purchased a new Pantsmobile from your company and since then my trips to the store have created a problem. You see, every time I buy vanilla(香草)ice-cream my car won't start. If I get any other kind of ice-cream, the car starts just fine. I want you to t now I'm serious about this question , no matter how silly it sounds: What is there about a Pantsmobile that makes it not start when I get vanilla ice-cream, and easy to start whenever I get any other kind?'

    The Pantsmobile company president understandably doubted about the letter, but he sent an engineer there anyway. The engineer had arranged to meet the man just after dinner time, so the two got into the car and drove to the grocery store. The man bought vanilla ice-cream that night and sure enough, after they came back to the car it wouldn't start for several minutes. The engineer returned for three more nights. The first night, the man got chocolate. The car started right away. The second night, he got strawberry and again the car started right up. The third night he bought vanilla and the car failed to start.

    There must be a reason why the man's car wouldn't start when he bought vanilla ice-cream. What was it? After doing more research into the case, the engineer eventually found out. The cause. Vanilla ice-cream was the most popular flavor and was on display in a little case near the express check out, while the other flavors were in the back of the store and took more time to choose and check out. This mattered because the man's car was experiencing vapor(蒸汽) lock, which is excess(过度的)heat boiling the fuel in the fuel line and the resulting air bubbles (气泡) blocking the flow of fuel until the car has enough time to cool. When the car was running, there was enough pressure to move the bubbles along, but not when the car was trying to start.

    In the world today, all of the people need recreation(消遣). We cannot work all the time if we are going to keep healthy and enjoy life.

    Everyone has his own way of relaxing. Perhaps the most popular form is to take part in sports. There are team sports, such as basketball and football. There are also individual(个人的) sports, such as swimming and running. Skating and mountain climbing are the most popular recreation for people who like to be outdoor. Not everyone who enjoys sports likes to take part in them. Many people like watching them on TV or listening to them on the radio. So many people like some forms of recreation, such as watching TV, singing and dancing. It doesn't matter whether we like indoor recreation or take part in outdoor sports. It is important for everyone to relax from time to time and enjoy some forms of recreation.

    Here is some general information about Edison Elementary School. For more information, you can visit our website which is printed on the cover.

    Attendance：

    Please contact the office at 480－472－5282 if your child is going to be absent.

    Renaissance Reading：

    The Accelerated Reader (AR) Program is a computerized reading enrichment program that combines great children's literature with computer skills. As an individualized reading program, it is designed to motivate students to read more and to read good literature. Students of different abilities can use this program. It is not a competitive program but one that improves any student's reading ability.

    Here is how it works. Students select books in their reading range from our Accelerated Reader Selection and read it at their own pace. Once the student has completed the book, he/she is ready to take an AR quiz. Each quiz consists of 5, 10, or 20 multiple choice comprehensive questions about the book.

    After taking the quiz, the computer shows the student how many questions he/she answered correctly, shows the correct answers for missed questions, and praises the students' efforts with an on­screen personalized message. Passing the quiz assures the teacher and the parent that the child actually read and understood the book. Each student tests independently—reading the quiz questions himself/herself.

    The computer keeps track of reading points, books, and average test scores, as well as other data. A student may test on a book only once and should, therefore, have thoroughly read and understood the contents before taking the quiz. Each student is responsible for reading the screen to be sure the quiz, by title and author, is the correct one he/she wishes to take.

    Students are recognized for their accomplishments with praise from the teachers and special recognition at the classroom level when individual and/or classroom goals are met.

    PTO：We have an active Parent Teacher Organization. They have monthly meetings, check the calendar for the meeting times and places.

Best Way to Save Money

    Although the best way to save money can vary from person to person, depending on age, family size and other characteristics, there are still some easy things that all shoppers can do to keep more money in their bank accounts.

    Avoid Impulse (冲动的) Purchases

    When you shop, a best way to save money is to have a plan in mind to help you avoid impulse purchases. For instance, you might leave your credit cards at home and only carry the exact amount of cash that you will need for your planned purchase. Some shoppers agree to discuss any purchases over a certain dollar amount with their spouses (配偶) first.

    Know When to Pay for Quality

    Sometimes the best way to save money in the long term is to spend a little more money right now. A good piece of furniture can stay in the family for decades. A high-quality pair of shoes will last longer than a bargain pair and prevent foot pain. Leaner cuts of meat and organic produce provide health benefits for your family.

    Buy Secondhand

    Check classified ads, thrift stores and garage sales for used clothing, toys, furniture, and much more available at a part of their original cost. For the most secondhand savings, check out groups like Freecycle where members offer unwanted items for free to anyone willing to pick them up.

    Borrow Instead of Buy

    If you're only going to use something once, try to borrow it instead of spending your money on it. Borrow a tool from your neighbor. Swap books with a friend. Check out the resources at your local library. You'll also be reducing disorder in your home.

    If you walk through the doors of one of the Smithsonian Institution's museums in Washington, D.C., you may be greeted by an unusual guide. A Japanese tech company recently sent 25 humanoid robots to the Smithsonian. All of them are named Pepper.

    Each Pepper stands 4 feet tall and has a computer screen attached to its body. Built by SoftBank Robotics, the robots are programmed to share information about the museum in which they are based.

    "Pepper is basically an experiment," Goslins, director of the Smithsonian's Arts and Industries Museum, said. "The idea is to explore and see how a robot performs in this kind of environment."

    Museum visitors communicating with Pepper. The robot can tell stories and answer basic questions. People even take pictures and dance with it.

    "The robot draws big crowds," said Allison Peck, director of marketing at the Hirshhorn. "People just love Pepper."

    According to the Smithsonian Institution's website: "Pepper gives our museum workers a new way to reach and serve visitors." For example, Pepper teaches Swahili words to visitors of the "World on the Horizon" exhibit at the Smithsonian's National Museum of African Art.

    Pepper also has the special ability to draw guests to less-visited areas of the Smithsonian's museum. When Pepper is placed in a spot, crowds are attracted to that place.

    When not educating museum visitors, Pepper stays in the Smithsonian offices, getting charged and programmed. After being charged, Pepper can run for about 8 hours at a time.

    Pepper plays an important role, but the robot "is not meant to take away human jobs at the museum," Goslins explained. "It is meant to give our visitors a more enjoyable experience while they are here with us."

Economically speaking, are we better off than we were ten years ago? Twenty years ago?

In their thirst for evidence on this issue, commentators seized on the recent report by the Census Bureau, which found that average household income rose by 5.2% in 2015. Unfortunately, that conclusion puts too much weight on a useful, but flawed and incomplete, statistic. Among the more significant problems with the Census's measure are that: 1) it excludes taxes, transfers, and compensation like employer-provided health insurance; and 2) it is based on surveys rather than data. Even if precisely measured, income data exclude important determinants of economic wellbeing, such as the hours of work needed to earn that income.

While thinking about the question, we came across a recently published article by Charles Jones and Peter Klenow, which proposes an interesting new measure of economic welfare. While by no means perfect, it is considerably more comprehensive than average income, taking into account not only growth in consumption per person but also changes in working time, life expectancy, and inequality. Moreover, it can be used to assess economic performance both across countries and over time.

The Jones-Klenow method can be illustrated by a cross-country example. Suppose we want to compare the economic welfare of citizens of the U.S. and France in 2005.

In 2005, as the authors observe: real consumption per person in France was only 60% as high as the U.S., making it appear that Americans were economically much better off than the French on average. However, that comparison omits other relevant factors: leisure time, life expectancy, and economic inequality. The French take longer vacations and retire earlier, so typically work fewer hours; they enjoy a higher life expectancy, presumably reflecting advantages with respect to health care, diet, lifestyle, and the like; and income and consumption are somewhat more equally distributed there than in the U.S. Because of these differences, comparing France's consumption with the U.S.'s overstates the gap in economic welfare.

Similar calculations can be used to compare the U.S. and other countries. For example, this calculation puts economic welfare in the United Kingdom at 97 % of U.S. levels, but estimates Mexican well-being at 22%. The Jones-Klenow measure can also assess an economy's performance over time. According to this measure, as of the early-to-mid-2000s, the U.S. had the highest economic welfare of any large country. Since 2007, economic welfare in the U.S. has continued to improve. However, the pace of improvement has slowed markedly.

Methodologically, the lesson from the Jones-Klenow research is that economic welfare is multi-dimensional. Their approach is flexible enough that in principle other important quality-of-life changes could be incorporated—for example, decreases in total emissions of pollutants and declines in crime rates.