In the Lift

Once, I came home from school and got in the lift and about half way up it suddenly stopped. There was no one in with me. I was terrified. It just stopped with me inside. I felt so stupid. I felt as if I was hanging miles up in the air in a box tied by strings. I didn’t know what to do. I looked at the buttons.

I began by pressing all the numbers. 1, 2, 3, 4, 5, 6, 7, 8. No good. Then I looked at the other buttons. One said, “STOP”. I didn’t bother to press that one. Another said, DOORS OPEN”. I didn’t dare to press that. Imagine the door opening and me stepping out and falling down four floors.
I shouted out, “Help!”
No one answered. I shouted again.
“Help! Help! Get me out. I’m stuck in the lift.”
There was a switch at the bottom of the buttons. So I pressed it down. Nothing happened.
Then the light went out.
I started to cry and scream at the same time. I screamed and screamed. In the end I couldn’t scream any more. But I could keep on crying and I did. I don’t think I’ve ever cried as much in my life.
I sat down on the floor and pressed myself against the back wall. I don’t know, It felt safer, as far away from the door as possible. I kept thinking, “They’re going to open soon and I’ll fall out.”
If only I could get a light. Then I could, perhaps, try to escape. If I could see. Maybe that switch, I thought, was really the light-switch even though the light hadn’t gone off when I’d pressed it.
I slid myself round and stretched up my arm to feel for the buttons. I got my fingers on the switch and pressed it back up. Nothing happened. I screamed out, “Help! Please! Help! Get me out! Mum! Mum! Mum!” And I banged my hand against all the buttons; I banged and pressed them all.
Then I heard a bell ringing. It was just like the electric bell we had at our school. But it didn’t stop. It just kept on ringing and ringing.
“It’s an alarm bell,” I thought. “The building must be on fire.”
“Please, God,” I said, “Please get me out. I’ll do anything. I’ll be better. I really will. Please get me out.”
It was hot. It was getting really hot in the lift. I was sweating. I knew that I would soon be able to smell the smoke.
And then – the lift moved.
I screamed as loud as I could, though I knew no one would hear me. The lift was moving. The fire must have burnt through the cables. I was scared stiff but then I realized that the lift was moving very slowly as if someone was carefully lowering it down.
Very gently, down we went – me and the lift, together in the dark.
It stopped. I pressed myself against the steel wall. And the door opened. There was a man standing there. I couldn’t see his face against the light. He stepped towards me.
“Right, love,” he said. “Let’s have you out.”

1) Put these sentences in the correct order.

The building was on fire and it was getting hot in the lift.

Once, I came home from school and got in the lift. The lift stopped half way up.

“Please, God,” I said, “Get me out. I’ll be better.”

There was no one in with me.

I shouted out, “Help!” No one answered.

I started to cry and screamed at the same time.

Then the light went out.

I pressed all the buttons. No good.

Then the lift moved down very slowly.

Then I heard a bell ringing. It was an alarm bell.

The lift stopped, the door opened. There was a man standing there.

2) Choose true or false

1. The storyteller stuck in the lift

2. The hero felt as if he was hanging miles up in the air in a box tied by strings.

3. The first button which the teller pressed was STOP

4. When the light went out the hero started laughing and mewing

5. The teller stood up from the floor and pressed himself against the back wall

6. In the dark the hero continued looking for the buttons and pressing and banging them all

7. Suddenly he heard an alarm system

8. There was a great fire in the house

9. At last, the hero managed to get out of the lift

3) Find the right translation

Нажать на кнопку
застрять в лифте,
выбраться из лифта
электрический звонок
протянуть руки
на полпути
выпасть из лифта
выключатель
опускаться вниз

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drevnyakd

21.09.2020 04:48

Researchers Gave Robots the Ability to Think Ahead

The technology allows robots to "learn a range of visual object manipulation skills entirely on their own."

THINKING AHEAD

Humans have the ability to think about their action before they act. For example, if a person is about to kick a ball, they may wonder where the ball will go and how likely it is they’ll have to move to the ball’s new location. Robots (especially those that are not equipped with advanced artificial intelligence) are typically incapable of doing this, as they’re often programmed to perform simple tasks.

A team of researchers at the University of California Berkeley have determined that robots can be capable of such perception. To prove it, they’ve developed a new robotic learning technology that enables robots to think ahead in order to “figure out how to manipulate objects they have never encountered before.”

The team has taken to calling this technology “visual foresight” — but no, it doesn’t give robots the ability to predict the future. At least not yet.

The Berkeley researchers applied the technology to a robot called Vestri, enabling it to make predictions about what its cameras will see several seconds into the future. Equipped with new foresight, Vestri demonstrated the ability to move small objects around on a table without touching or knocking over nearby obstacles. The most impressive part, however, was that the technology allowed the robot to perform the small task without human input, supervision, or prior knowledge of physics.

“In the same way that we can imagine how our actions will move the objects in our environment, this method can enable a robot to visualize how different behaviors will affect the world around it,” explained Sergey Levine, assistant professor at Berkeley’s Department of Electrical Engineering and Computer Sciences — the lab behind the technology’s development. “This can enable intelligent planning of highly flexible skills in complex real-world situations.”

Объяснение:

IMPROVED LEARNINGVisual foresight is based on “convolutional recurrent video prediction,” or dynamic neural advection (DNA). According to the team, DNA-based models are able to predict how the pixels in an image will move from one frame to another based on what the robot does. As Chelsea Finn, a doctoral student in Levine’s lab and inventor of the original DNA model, explained, robots like Vestri can now “learn a range of visual object manipulation skills entirely on their own.”Frederik Ebert, a graduate student in Levine’s lab who worked on the project compared their work with robots to the way humans learn to interact with objects in their environment:“Humans learn object manipulation skills without any teacher through millions of interactions with a variety of objects during their lifetime,” said Ebert. “We have shown that it possible to build a robotic system that also leverages large amounts of autonomously collected data to learn widely applicable manipulation skills, specifically object pushing skills.”Levine notes the capabilities of Vestri are still somewhat limited, though additional work is being done to improve visual foresight. One day, the technology could be used to help self-driving cars while on the road, better equipping them to handle new situations and unfamiliar objects.The technology needs various improvements before that would be possible, though, such as more refined video prediction and methods to gather more specific video data. Following these advancements, robots may be able to perform more complex tasks such as lifting and placing objects or handling soft and easy to deform objects like cloth or rope. Perhaps one day you won’t even need to fold your own laundry — your robot assistant could do it for you.

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