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Category: internet – Page 266

An experiment that created a 3.5 Mbps broadband internet connection won’t sound very impressive to most of us, especially since the average download speed in the US is about 75 megabits per second. But the surprising part is that it was established using a 6ft 7in piece of wet string.

While broadband connections tend to rely on wires made of materials such as copper, engineers at a small British internet service provider called Andrews and Arnold wanted to see if it was possible to send data through something less conventional.

They soaked the long piece of twine in a salt water as it’s a good conductor of electricity, though it had to be re-soaked every half an hour, and used a pair of alligator clips to establish the connection. “The upkeep of these wet string connections is very hard; in our tests, we had to continually re-wet the string approximately every 30 minutes to avoid a complete loss of sync, and this process was always disruptive to the signals,” wrote Adrian Kennard, the ISP’s director, in a blog post.

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Even as autonomous robots get better at doing things on their own, there will still be plenty of circumstances where humans might need to step in and take control. New software developed by Brown University computer scientists enables users to control robots remotely using virtual reality, which helps users to become immersed in a robot’s surroundings despite being miles away physically.

The software connects a robot’s arms and grippers as well as its onboard cameras and sensors to off-the-shelf virtual reality hardware via the internet. Using handheld controllers, users can control the position of the robot’s arms to perform intricate manipulation tasks just by moving their own arms. Users can step into the robot’s metal skin and get a first-person view of the environment, or can walk around the robot to survey the scene in the third person—whichever is easier for accomplishing the task at hand. The data transferred between the robot and the virtual reality unit is compact enough to be sent over the internet with minimal lag, making it possible for users to guide robots from great distances.

“We think this could be useful in any situation where we need some deft manipulation to be done, but where people shouldn’t be,” said David Whitney, a graduate student at Brown who co-led the development of the system. “Three examples we were thinking of specifically were in defusing bombs, working inside a damaged nuclear facility or operating the robotic arm on the International Space Station.”

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Scientists have developed new 3D-printed plastic objects that can hook up to Wi-Fi without the aid of any electronics or batteries, meaning household devices could get a lot smarter in the future without the need for any circuitry.

If that’s not blowing your mind just yet, think about this: the tech could be used to make a laundry bottle that orders a refill online as soon as it runs out, or a simple volume slider that connects to your speakers without any cabling or even a power source.

So how is this possible? To achieve this, a team from the University of Washington built a system comprising a plastic switch, spring, gear, and antenna, which when activated with a press or other movement can absorb or reflect passing Wi-Fi signals in order to communicate.

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Multiband tunable antennas are a critical part of many communication and radar systems. New research by engineers at the University of Bristol has shown significant advances in antennas by using optically induced plasmas in silicon to tune both radiation patterns and operation frequency.

Conventional antenna tuning is performed with diodes or Micro-Electro-Mechanical Systems (MEMS) switches. However, these approaches have significant drawbacks as systems become more complex and move to higher frequencies, which is anticipated for 5G systems.

The first paper, published in IET Optoelectronics, co-authored by Dr Chris Gamlath, Research Associate in RF Engineering during his PhD, shows how a silicon superstrate placed over a slotted microstrip patch can be used to tune radiation patterns.

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The international authorities overseeing the creation of a unified standard for 5G mobile technologies are expected to release the initial specifications next year and the final phase in 2019, paving the way for the commercial deployment of 5G services by mobile network operators from 2020.

China is one step closer to achieving the reality of seamless, super high speed communications that will enable driverless cars, virtual reality education and nationwide health care services after a partnership comprising China Mobile, Qualcomm and ZTE accelerated efforts to finalise technical standards for the next generation of smartphones.

With the world’s largest population and most number of internet users, China is making a huge bet that the wide roll-out of 5G mobile infrastructure by the country’s three main telecommunications network operators would support the country’s rapid digital transformation – enabling a raft of advanced applications and services that were the stuff of science fiction just decades ago.

Shenzhen-based ZTE Corp and larger rival Huawei Technologies, two of the world’s biggest suppliers of telecommunications equipment used by mobile network operators, are currently leading the development and commercialisation of 5G-related technologies on the mainland.

Continue reading “A future of driverless cars, virtual reality and other advanced services beckon as China’s ZTE bets on massive 5G roll-out” | >

Billionaire tech entrepreneur Mark Cuban has seen a ton of change since he first got in the technology business in 1982, but he argues that artificial intelligence (AI) is going to “change everything, 180 degrees.”

He warns that if the U.S. allows other countries to take the lead in AI, then it’ll be “SOL,” an acronym that employs profanity to communicate urgency.

“All these things have happened that have changed how we do business, changed how we lived our lives, changed everything, right, the internet. But what we’re going to see with artificial intelligence dwarfs all of that,” Cuban said in an interview with hedge fund manager J. Kyle Bass of Hayman Capital on RealVision Television, a subscription financial video service.

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Innovation Group looked at three fundamental pillars of humanity and how they will evolve over the coming 10–15 years: our bodies, our thought, and our behavior. After identifying the driving forces that will transform these fundamental pillars, we extracted key themes emerging from their convergence. Ultimately our goal was to determine the ways in which the changing nature of humanity and transhumanism would affect individuals, society, businesses, and government.

A few of the trends that emerged from this study include the following seven trends. We hope they will spark discussion and innovation at your organizations.

Companies today are strategizing about future investments and technologies such as artificial intelligence, the internet of things, or growth around new business models. While many of these trends will make for solid investments for the next 5–10 years, fewer companies are considering the revolutionary convergence of disparate trends pulled from technology, behavioral and societal changes, and medical advances to understand how they will converge to transform society. This transformation will be messy, complex, and sometimes scary, but signals already point to a future of humanity that will blur our identities into “transhumanism.”

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Millimeter waves, massive MIMO, full duplex, beamforming, and small cells are just a few of the technologies that could enable ultrafast 5G networks.

Today’s mobile users want faster data speeds and more reliable service. The next generation of wireless networks—5G—promises to deliver that, and much more. With 5G, users should be able to download a high-definition film in under a second (a task that could take 10 minutes on 4G LTE). And wireless engineers say these networks will boost the development of other new technologies, too, such as autonomous vehicles, virtual reality, and the Internet of Things.

If all goes well, telecommunications companies hope to debut the first commercial 5G networks in the early 2020s. Right now, though, 5G is still in the planning stages, and companies and industry groups are working together to figure out exactly what it will be. But they all agree on one matter: As the number of mobile users and their demand for data rises, 5G must handle far more traffic at much higher speeds than the base stations that make up today’s cellular networks.

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