If Dhruv Rebba, an Indian American, had to live on an isolated island, he would bring a ham radio kit along. “The island wouldn’t have cellular connectivity (蜂窝网络连接), of course. Ham radio would be the best option to contact someone as it uses the ionosphere (电离层) to communicate, instead of cellular towers. That’s why we use it when mobile phone networks are destroyed during natural disasters,” he said in an interview.

When Rebba was nine, he received his ham radio technician license—becoming the youngest person of Indian origin then to receive it. “My dad has been a ham radio operator for the past 25years. When I was in the third grade, I convinced him to take me along to the Dayton Hamvention, where I was totally overwhelmed by some cool stuff including Morse code keyers. From then on, I decided to go further in this field,” Rebba said.

In 2017, Rebba was part of the Amateur Radio on the International Space Station (ARISS) project. It involves amateur radio operators across the world speaking directly to astronauts through their radio stations. “After three tries, I received the approval. As I have an amateur radio license! was able to make my initial contact. Some 16 students across America were given the chance to ask Joseph M. Acaba who was then on the International Space Station (ISS) 23questions,” Rebba explained.

Besides being a ham radio operator, Rebba is also the CEO of Universal Help Foundation. “I once visited my dad’s village in India where I noticed the gap in the standard of living. That’s what made me start Universal Help Foundation—to create an impact.” said Rebba. He named the foundation Universal Help-Foundation rather than an limiting it to environmental sustainability (可持续发展) or disaster relief. Instead, he wanted to bridge the gap.

Meanwhile, Rebba hopes to get further high up in space. However, the overall picture of the ham radio field is unpleasant. “The ham population is aging and fewer youngsters are drawn to it. Now we all have cell phones and the younger crowd doesn’t see the everyday use of ha m radio as important,” Rebba added.

Nowadays even your grandmother is not likely to call you on your landline. Evidence indicates that the elderly are in fact adapting to new technology quite easily, especially as digital technology continues to become ever more user-friendly. For those who do have difficulty, help is at hand.

In many countries, the elderly can receive free training in the use of computers, and learn how to correspond by email, how to send photos and voice messages, and how to use the Internet for shopping and other services. Across the world, centres for the elderly report that their most popular classes are in the use of smartphones and tables. It is clear that the elderly have already come to rely on digital technology to help them remain independent and keep in touch with friends and relatives.

Elderly people enjoy using technology for the same reasons as the rest of us: entertainment and leisure. Having plenty of free time, many elderly people like to find out new things or write down their experiences. Being able to use a computer, smartphone or tablet makes this easier to do, and can open the door to interesting hobbies. Many social media sites developed for the younger generation are now being enjoyed by the elderly, too. And for elderly people who may be unable to leave their homes without assistance, communication with the outside world is essential to prevent loneliness and to allow them to call for help in emergencies. In Singapore, the elderly are even turning to robots to keep them in good physical shape.

So it would seem that rather than being afraid of new technology, the elderly have much to gain from it, and are embracing it fully. As digital technology comes down in price, and becomes easier to operate, it could help to transform old age for millions of people.

Several Jobs That Will Be Automated By Artificial Intelligence(AI) And Robots

Translator

Image recognition software and voice recognition software are bringing some major advances to language translation．Applications like Google’s Word Lens can translate words from signs and documents in real time and there are a lot of translation apps that allow you to type in a word or phrase and will translate it for you．

Some will even speak the phrase for you and raw word-to-word translation will be fully automated soon．

Fast food workers

Automated ordering booths have already made their way into a few McDonald’s restaurants around the world，and cooking positions could be removed next．The booths probably can’t handle customer service problems well，so televideo systems could bring in an office employee to deal with complaints．

Field technician

New advances in the Internet of Things could make this work obsolete．

Low-cost sensors combined with high availability cellular／satellite communications and cloud technology are being started to automate and alarm these sites，and can be checked and maintained from a desktop or mobile device．

Sales representative

But，e-commerce is changing how we make purchasing decisions，especially those where there isn’t much differentiation among the major competitors．

If you’re selling a high-differentiation product and／or a high-price，low-volume product you have some job security，but if you’re selling a high-volume，low-differentiation product，you better start polishing your resume，said Doug Camplejohn，CEO of Fliptop．“These kind of product sales are all moving online．”