1 . One day, you might be ordering your favorite pizza from a robot.Researchers at a university in Pittsburgh, Pennsylvania, are working on creating a pizza-making robot.

“Robots are basically preprogrammed to repeat the same actions over and over,” says David Held, a robot expert from Carnegie Mellon University, and one of the members of a pizza-making team．But making pizza has challenges.For instance, the flour (面粉) will become squishy when meeting water, with a shape that can change in many ways.Also, pizza-making requires many steps—such as rolling and cutting—and several tools, including a rolling, a knife and so on.In what order should the steps be done? Which tools should be picked, and when? “If you need to do a cooking task, there are several levels that you have to reason about,” Held says.Once people get the hang of it, “We don’t even need to think about exactly how we’re doing it- it sort of just happens.But robots can’t really “understand what to do on their own”.

To start, the team used a computer to consider how a robot could lift, fatten, gather, move and cut dough (生面团).The method has two levels of robotic reasoning: one that thinks how it should approach the overall task, and the other that thinks how it should move its “hands” to perform each action．The result was better than with the usual programming techniques.“We got a little bit closer to the right shape than the former methods,” Held says．“‘But there’s still a lot of room for improvement.”

For now, people will continue to make pizza the old-fashioned way: with their own hands.Sill, a pizza-making robot is a good goal.And if a robot could deal with dough, it could also work with other objects that can change shapes.“You can imagine robots helping in hospitals, or robots that clean up toys in day cares,” Held says.“The general goal is to eventually have robots that can help with whatever the task may be.”

3 . When was the last time you used a telephone box? I mean to make an actual phone call — not to shelter from the rain. Ages ago, right? The last time I used a phone box for its intended purpose was…2006. I was conducting auditions (试演) for my play in my tiny old shared house in London. Hoping to impress some talented actors to come and work for me for nothing, I spread some throws over the sofas and lit candles to make it seem a bit more ”young professional”.

As I rushed outdoors to empty the wastepaper baskets, the door swung shut behind me. Suddenly I was locked outside. My mobile phone was inside, but luckily there was a telephone box across the street. So, I called Directory Assistance, got put through to our landlady’s managing agent, and had a spare key sent to me with just enough time to get back in before the actors arrived.

As it has been many years since I last used one, I should hardly be surprised that then are no longer any public telephones near my house. The last one standing has just been turn into a “mini community library”: any passer-by can “borrow” a book from its shelves return it later, or replace it with another title from their own collection.

For a few months after the “library” opened, I didn’t bother taking a look, as I had assumed that it would be stuffed full of cheese love stories. Then I noticed fork conducting spring cleans dropping boxes of voluminous books on various subjects there. And these books were free. This unbeatable price-point encouraged me to experiment with dozens of titles that I would never normally consider buying. And I’ve discovered some great books!

If I ever get trapped outside my house again, my local telephone box will, sadly no longer be able to connect me with my keys. But it can certainly keep me entertained while I wait for my wife to rescue me.

6 . It is very common for people to have very vivid memories of certain events.     1     , such as a graduation ceremony or the birth of a child. Or they may be things that they see or hear about in the news.     2    . Psychologists refer to them as flashbulb (闪光灯) memories.

As the name suggests, flashbulb memories are like “snapshots (快闪) ”of important moments that we take with our brains rather than a camera.     3    , either at the scene or on television. Take the 9/11 terrorist attacks on the United States as an example. Many people claim that they remember the disaster exactly even after 20 years.

According to psychologists, there are several factors that affect these types of memories. Among the most significant are the emotions a person may be feeling at the time, especially if it’s shocking.     4    . Receiving a very special and unexpected birthday gift, for instance, would have special significance for an individual but would be meaningless to others.

    5     As time passes, people’s version of events can change. This may result from a number of influences, such as their other life experiences or being exposed to media coverage of an event. So, keep in mind that those clear memories that you have of an event may not be entirely accurate.

7 . It’s a typical day at school. You’re playing soccer with your friends. One of them kicks you the ball and you run for it. You trip. You fly through the air. You land—hard, right on your face! The next moment, you’re in the nurse’s office. Your bleeding nose is being checked by laser sensors (激光传感器) that coming out of a...robot? Has the nurse’s office been taken over by sci-fi aliens (外星人) from outer space?

No. You’ve just been pushed forward 15 years into the future. And it’s a future that Susan Epstein, a computer science professor who teaches artificial intelligence, is really excited to think about. “I am crazy about this kind of thing! You could go up to the robot, put your nose in, and the machine would decide whether you needed to be treated, and how.”

Aside from being cool, an AI nurse has other advantages. It doesn’t need to take vacations. It doesn’t need to get paid a salary. And it might figure out what’s wrong with your nose faster than a human would. There are all kinds of ways that AI could be used to help make us healthier and researchers are studying how to use AI to diagnose (诊断) lung disease, cancer, and more.

Our robot nurse isn’t meant to completely take the place of humans, though. “It would work with real, live nurses and doctors,” says Epstein, “there are things humans are good at, like building trust among members of our own species or comforting someone who’s hurt or sick. A big part of medicine is the relationship between a doctor and a patient.”

Epstein points out that AI programs will never be perfect—no matter how much we might want them to be. But if AI can diagnose a deadly disease more precisely even 10 percent of the time, think of how many lives it could save. “Besides”, says Epstein, “I think there are probably patients who might prefer to have a machine for a doctor!” Would you?

9 . My future happiness

When I imagine my future, I see myself as an adult who is confident in my abilities, doing a job I love and living my life responsibly. When I grow up, I will be enjoying more convenience brought by the advances in technology, with more time to pursue hobbies and enjoy the company of family and friends.     1    

I will feel the happiest in the future because I will learn more about life and develop into the best person I can be.     2     I will also handle more responsibilities and solve problems in a more thoughtful and level-headed manner.

Thanks to new technology, my future life is sure to improve in various ways. Homes will become smarter to the extent that they might be programmed to learn about our needs and monitor our health and activity. I can imagine hearing an AI voice remind me to buy groceries or do more exercise! There will also be enormous advancements in transport options. I will be riding in a self-driving car, and other new means of transport may be developed in the future.     3     These advances in technology are certain to make my future life more comfortable and convenient.

My development into a mature adult and access to advanced technology will provide me with more free-time opportunities.     4     Working less time means I can do what I most enjoy, such as spending time with family and friends, engaging in fun activities and learning new skills.

    5     Thinking this way gives me the motivation to work hard now so that I can have a successful, fulfilling and enjoyable future life.