Chapter 4. - 39 Steps Book

In the Future, Warehouse Robots Will Learn on Their Own

BERKELEY, Calif. — The robot was perched over a bin filled with random objects, from a box of instant oatmeal to a small toy shark. This two-armed automaton did not recognize any of this stuff, but that did not matter. It reached into the pile and started picking things up, one after another after another. “It figures out the best way to grab each object, right from the middle of the clutter,” said Jeff Mahler, one of the researchers developing the robot inside a lab at the University of California, Berkeley... 

For more information. Here.

As Amazon Pushes Forward With Robots, Workers Find New Roles

FLORENCE, N.J. — Nissa Scott started working at the cavernous Amazon warehouse in southern New Jersey late last year, stacking plastic bins the size of small ottomans. It was not, she says, the most stimulating activity. And lifting the bins, which often weigh 25 pounds each, was also tiring over 10-hour shifts. Now Ms. Scott, 21, watches her replacement — a giant, bright yellow mechanical arm — do the stacking. Her new job at Amazon is to babysit several robots at a time, troubleshooting them when necessary and making sure they have bins to load. On a recent afternoon, a claw at end of the arm grabbed a bin off a conveyor belt and stacked it on another bin, forming neat columns on wooden pallets surrounding the robot. It was the first time Amazon had shown the arm, the latest generation of robots in use at its warehouses, to a reporter.. 

For more information. Here.

Meet 'Mabu'— the robot that aims to be your personal caregiver

Catalia Health has created a robot that acts as a healthcare companion.'Mabu' engages in daily conversation that's tailored to your personality and treatment needs, and sends responses to your healthcare provider. It reminds you when to take you medicine, and follows up with your progress. It also tracks faces so that it can make eye contact for a more human-like interaction. 

For more information. Here.

Multi-user experiences with A-Frame

Multi-user experiences on the Internet have come a long way since the emergence of online chat and the rise of social networks. Advances in virtual reality are making the Web a more immersive and interactive environment. Neal Stephenson envisioned this set of shared, persistent, and interconnected 3D virtual spaces and called it the metaverse; today we are building it with HTML, JavaScript, and A-Frame.

For More information. Here.

Json Web Token

Json Web Token

This is a new tecnology on the world which give us a new security way to make sure our conoctions by API to connect and share information with the server.

Of course, this work with JSON tecnology to set data to front-end or mobile app, and for this reason we can create a server and work with this one for all tecnologies with which we would like to create software or apps.

As you can see on the image, this tecnology has an standard on the world which means we can use it without problems at the moment to integrate with other tools or tecnologies. Of course, all of them must use it but as you can think, it is too common include it.

Another importante thing is at the time to create software with roles, The JWT tecnologie has a space to scopes, which  allow us add permissions since server to render information on the front-end app.

Of course, you can check more tecnique information on the Oficial Web Page

Saudi King issues decree allowing women to drive

King Salman of Saudi Arabia has issued a decree ordering that women be allowed to drive, Saudi state media has reported. Under the conservative kingdom’s previous laws, women were banned from driving.

The decree orders the Saudi interior minister to draft and adopt necessary amendments to the traffic regulations and to form a special commission consisting of the ministers of interior, finance, labor and development to “study the necessary arrangements” needed for the implementation of the new rules, as reported by the state SPA news agency.

For more information. Here.

Tesla switches from NVIDIA to Intel for its infotainment systems

It'd represent a big shift in how Tesla handles your in-car experience.

Ever since Tesla took the wraps off the Model S, its electric cars have had NVIDIA hardware powering the infotainment system and the giant touchscreen that controls it. However, it's apparently breaking with tradition: Bloomberg sources hear that the automaker has switched to Intel. Reportedly, the Model 3 and new versions of other cars will be the first to make the leap. It's not certain what prompted the move (Intel, NVIDIA and Tesla have all declined to comment), but it's a huge coup if true.

For more information. Here 

Present Perfect

GAMMAR 1

PRESENT PERFECT

A. Complete the sentences. Use the present perfect form of the verb in parentheses.

1. Maggie (have)  has had her pet snake, Boris, since she was 10 years old.
2. I (know)  have known Jin since the first day of school. He's become a really good friend.
3. What a long meeting! Paul and Chris (be) have been in that room for 4 hours.
4. Sam left around noon. He (not be) hasn't been here for about 3 hours.
5. I (not see) haven't seen my family since February. I really miss them!
6. I really need a vacation. I (not go) haven't gone anywhere for a long, long time.

B. Write sentences about yourself or about people you know. Use the present perfect. Write 2 positive and 2 negative sentences. Here are some ideas: like (a sport or a food), speak (a language), know (someone), know how (to do something), live (somewhere), be (somewhere), see (someone), do (something)

1. I have practiced english language on University of tolima's language center for al long, long time.
2. Julian has known how to create web applications since he was 19 years old.
3. I haven't known another girl since I let her go.
4. I haven't been in Medellin - Colombia for about 3 years ago. 

GRAMMAR 2

PRESENT PERFECT AND PAST TENSE

A. Complete the sentences. Use the simple past or present perfect form of the verbs in parentheses. Sometimes 2 answers are possible.

1. (see, rent) We've seen this film before. Don't you remember? We rented it last month
2. (live, move) I love new York. I have lived here all my life. My famili moved here in the 1950s.
3. (buy, always like) Do you like this blue sweater? We bought it yesterday for Karen's birthday. She has always liked the color blue ever since she was a little girl.
4. (not clean, not do) Just a minute, Frankie! You didn't clean your room. You haven't done any house work for over a month!
5. (alsways go, decide) The Arnellos have always gone to florida for their summer vacation. This year they decided to go to Mexico for a change.

B. Complete the sentences. Use the correct form of the verbs in the box. Somethimes both the simple past and present perfect are correct. Use the prsent perfect if possible.

Verbs:

• find
• break
• bring
• buy 
• lose
• miss
• have
• leave
• drop

1. Oh, no! We have missed the train again. We missed the train yesterday, too!
2. Uh.oh! She has lost her key. Maybe she dropped it at her office?
3. How lucky! They have found  some money on the street. Maybe someone dropped it.

GRAMMAR 3

REVIEW OF VERB TENSES

Complete the profile of actress Keira Knightley. Use the correct form of the verb in parentheses.

Keira Knightley is part of a nwe generation of British actors. She has now (1) become as famous as anyone in Hollywood.

keira (2) was born in the south of England in March 1985. She (3) appeared in her first firlm when she (4) was only seven, and she (5) has already made more than 20 films.

As a young teenager, she (6) wanted to be a dancer, but her life (7) changed when she (8) won a part in the film Star Wars at the age of 12.

Keira (9) has not gone to college. However, she (10) has done well in her "A Level" (final) exams in high school, even though she (11) has played her first big role in Bend It Like Beckham at the same time.

Now, since her roles in Dr. Zhivago, Love Actually, King Arthur, and the Pirates of the Caribbean she  (12) has been one of Britain's biggest screen stars.