Getting more followers is something we usually associate with social media or micro messaging apps. But soon we could all have a new type of follower—a robotic one.

    Dozens of robots and technology fans gathered in Boston, US, earlier this month for the Robot Business conference. The latest developments in the world of robotics were shown to the public, and this time the trend was robots following people.

    Perhaps the most exciting development on show was the ability of drones (无人机) to follow you from the air, acting as your own personal cameraman or photographer. One example is 3-D Robotics' Iris+ drone, developed by a US-based company.

    The drone is fitted with cameras and has a “follow me” function. It connects with your GPS-enabled Android device, like a mobile phone. Then it flies and follows you around, shooting action film of you from above. The software in the drone makes sure that you're always in the center of the frame.

It can keep working for 15 minutes, as long as there aren't too many trees for it to crash into. This could be exciting for anyone who loves action sports or wants to be the star of their own short film.

    But what if you want to be one of those celebrities (名人) who have helpers carrying all their bags and doing all their chores? A robot called Budgee can help.

    Budgee, made by 5 Elements Robotics, is literally a basket on wheels.It is designed to help elderly and disabled people, or simply anyone who doesn't have enough arms for grocery bags, Wired magazine reported.It can carry up to 22.7 kg of items.

    To make Budgee follow them, its owner will have to wear a small device and use an app to set the distance between themselves and the robot.Budgee even sends a text message when it can't keep up with its owner.

     “I want you to look at the robot like he's your buddy, he's your friend. There's a relationship you develop with the robot,” Wendy Roberts, CEO of 5 Elements Robotics, told gigaom.com.

    It might not be quite the same as robotic assistants we've seen in movies such as Disney's Wall-E, where robots cater for our every need, but that idea doesn't seem quite so far-fetched now.

    When I was a kid, I loved reading history, science fiction, detective stories, but especially comics. I had piles of them and kept talking my Dad into making more shelves for me. One day, I read about a 13-year-old boy who had actually written one of my favorite comics, Legion of Super-Heroes, and I said, “I can do that too.” That year, I was two years younger than the writer.

    Three years later, a friend and I started our own fan magazine about comics. It became the first place that regularly told people when their favorite comics were coming out and writers and artists were working on them. Because of the magazine, I won the awards for The Comic Reader, but more important, it got many of the people in the field to know who I was.

    One day when I was visiting DC Comics for news for my next issue, one of the editors a chance to write text for his comic. Suddenly, at 16, I was getting paid to write.

    I was able to pay for my college classes working as an assistant editor at DC Comics and learned how to write comics stories while I was there. I wrote hundreds of stories. Over the years, I worked as an editor and an executive (主管) for the company, eventually serving as a president and publisher, until earlier this year. Now I'm back to my first love, writing comics again.

    Every morning, I open my e-mail and find pages of art sent in by artists across the country who draw my stories. When I'm tired of working on the stories, I can go online and find my readers commenting on my stories or telling me when I make mistakes.

    Keep reading and writing, it's a wonderful way to live.

    Get ready to fill your days full of fun and adventure. West Dorset, an area of outstanding natural beauty, is always a place to go and there is always something going on. The following are some of the star attractions.

    Mapperton House & Gardens

    Impressive valley gardens surrounded by wooded landscape.

    Gardens open: Daily 11 am -5 pm except Fridays, March to October included.

    Booking through Tel: (0103)959203 or www.mapperton.com

    Bridport Museum

    Local history museum attracts every history lovers. We also have a year-round Local History Centre nearby where you can complete local and family history research.

    Open: Monday-Saturday, April to October included.

    Booking through Tel: (0103) 959711 or www.bridportmuseum.com

    Furlelgh Estate Wine Tours

    Vineyard and winery, producers of the UK's most outstanding wine. Come and see how the 2019 Winemaker of the Year makes wine.

    Open for sales: 11 am-4 pm Fridays and Saturdays, tours at 2 pm.

    Booking through Tel: (0103) 906323 or wwwjurleiehestate.uk

    Old Crown Court and Cells

    Experience two hundred years of shocking crime and punishment. Tours of court room and cells on selected afternoons mid July to end August.

    Open: Tuesday-Sunday, March to September included.

    Booking through www.visitdorset.com

    For all the latest information about attractions including opening times, reasonable prices and special offers，please go to www.visitdorset.com

    Wolves are important animals in the traditions and stories of most Native American tribes. To Native Americans, wolves often represent bravery. The animals also are signs of strength, loyalty, and success at hunting. Other cultures--such as the ancient Celtic and Nordic peoples-also placed high value on wolves.

    However, from the wolves in horror films to the wolves in children's stories, wolves get a bum rap(不公正的惩罚) in both literature and English expressions.

    To begin with, there is the term lone wolf. The lone wolf isn't a bad person. But they like to do things on their own. However, the term can mean something less than desirable. Lone wolf makes you think the person doesn't want to be around people because he or she dislikes them.

    Now, let's move on to the home.

    Parents might criticize their children for wolfing down their food. In other words, the child eats very quickly and without care. And if someone says a child was raised by wolves, that child has bad manners and is behaving like a wild animal. A wolf at the door means someone to whom you owe money is waiting just outside your door.

By the way, there are two popular wolf-related expressions that come from Aesop, the ancient Greek storyteller.

    The first is a wolf in sheep's clothing. A wolf in sheep's clothing describes someone who acts and looks nice on the outside but is bad on the inside.

    Aesop's other wolf fable also involves a shepherd, but not a hardworking one. He is known as the boy who cried wolf. People who cry wolf are not trusted. People are so familiar with this story, you simply have to say cry wolf for them to know what you mean.

    Scientists in Western Australia claim to have made a new discovery—they have found gold in the leaves and twigs of trees. The researchers believe that the trees suck up the gold from deep underground, over 30 metres down. The discovery has been described as the first of its kind in the world. Australian gold exploration companies are pleased because it will make finding gold cheaper. Rather than drilling deep holes to find gold, they have more ways to examine tree leaves and branches. There is only a tiny amount of gold in the leaves. It would take 500 trees to make one gold ring. The gold is found using a special X-ray machine owned by an Australian government agency. A pure X-ray and a powerful microscope scan the leaves and branches.

    The claim that this is the first time that gold particles (微粒) have been found in living material might not be true, though. Ancient Chinese wisdom understood the connection between plants and the precious stones and minerals underneath them. They used plant life to find minerals and that was thousands of years ago. In the Zhou Dynasty, it was written in a book that a certain plant grew only near deposits of gold. Over the next 2,000 years, Chinese people wrote about different plants and how they grew, showed where minerals and precious stones such as jade, copper, lead, silver and gold were.

    Even more importantly, in the 1, 000s, Su Song described how copper, gold, silver, lead and tin were observed and taken from certain plants. These were amazing scientific discoveries. Meanwhile, this knowledge was unknown in the rest of the world until about 1, 600. This was when a British man realised that oak trees grew larger and greener where there was alum (明矾) in the ground. Maybe ancient Chinese has more knowledge to teach modern scientists.

    Compared with solar and wind energy, which are booming, tidal (潮汐的) power is a loser in the clean - energy competition. But if you did want to build a tidal power station, there are few better sites than the mouth of the River Severn, in Britain. Its tidal range, the difference in depth between high and low tides, of around 15 metres is among the largest in the world.

    Engineers and governments have been toying with the idea since at least 1925. But none of the suggested projects has materialised. Price is one objection. A study thought that tidal energy might cost between ￡216 and ￡368 ($306 - 521) per MWh of electricity by 2025, compared with ￡58 - 75 for seagoing wind turbines (轮机) and ￡55 - 76 for solar panels. Environmentalists also worry that any plant would change the tides, making life harder for wildlife.

    An engineer called Rod Rainey thinks he has a way around both problems. He plans to replace the conventional turbines of previous plans with a much older technology. Specifically, he plans to span (横跨) the river mouth with a line of water wheels. This is a design that dates back to the early days of the Industrial Revolution. Examples can be found fixed to the sides of old watermills (水磨).

    But there would be nothing old - fashioned about Mr Rainey's wheels. Thirty metres high and sixty wide, they would be made from ordinary steel. Two hundred and fifty of them, along with the supporting structures, would be floated into place and secured to the seabed, creating a line 15km long. Together, they could supply power at an avenge ate of 4GW. That is about as much as two biggish nuclear power stations would manage. Substituting one of the wheels with a set of locks would provide a shipping channel about twice the width of Panama Canal, permitting upstream ports such as Avonmouth and Cardiff to continue operating.