Most of us are using 4G LTE devices now, However, the International Telecommunication Union (ITU) is working on setting the standard and defining the specifications for the Next Generation 5G (5th Generation) Network with the help of Samsung Mobile in Korea.
Last month, 12 delegates debated on the specifications to be established for the upcoming 5G network standard. After testing, Samsung annouced that 5G Networks will have a peak speed of 20Gbps, or 20x times the peak speed specification of 4G LTE networks, which stands at 1Gbps.
One thing to bear in mind is that these are theoretical max speeds, and that the first 5G networks will likely reach much lower peak speeds. At the moment, the fastest LTE standard is LTE Cat 9, which provides peak speeds of up to 300Mbps, well below the 1Gbps speed specification of 4G networks. What this means is that while crazy transfer speeds are to be expected, 5G subscribers will not be able to download an ultra high-definition movie in just a second, which is what a download speed of 20Gbps would mean if put into practice.
5G networks will also be built with internet-of-things (IoT) devices in mind, as the ITU has established that 5G networks will be able to cater to more than 1 million IoT devices inside a 1 square kilometre radius at an average speed of above 100Mbps. The ITU expects the first commercial 5G Networks to start opening for business in 2020, although a working example is being prepared for the upcoming 2018 PyeongChang Olympic Games.
Are you familiar with the 1980's "Back to the future" movie series ? Remember that hoverboard with no wheels ? Well, it's not science fiction anymore...
Lexus has revealed that it has successfully developed a real prototype Hoverboard. Lexus's project team has collaborated with experts in super-conductive technology to build an actual, working, real-life hoverboard. No joke.
Actually, the team is using magnetic levitation with liquid nitrogen-cooled super-conductors and permanent magnets to give the hoverboard frictionless movement of a kind that had been thought impossible.
Lexus said that the hoverboard shares some design cues with the current Lexus range of car including that "Predator" style spindle grille. It apparently features materials sourced from Lexus's road car range, though whether it'll boast a curiously old-school digital clock remains unclear.
The hoverboard is planned as a one-off, sadly, and won't be put up for sale. But who cares? They'll be testing the prototype in Barcelona over the next few weeks, ahead of a summer launch.
Check the Video below to see a teaser of the technology in action: a very small teaser, admittedly, that doesn't show a whole lot in the way of hovery, skatey action.
Big things can come in very, very small packages... SanDisk has just released a 200GB microSDXC card with UHS-I speed, which is as absurdly tiny as the rest of them but offers the most storage to date for the format.
Previously, the largest microSD card type available offered 128GB of unformatted storage, but this latest version adds more than 50% additional capacity. The 200GB version was announced back in March, and SanDisk says the 90MB/second read speed allows approximately 1200 photos to be transferred via USB 3.0 in a minute (remember, most of the latest devices supports up to 128 GB only).
Granted, all that capacity comes at a price, and removable storage is never cheap especially at first. The 200GB card sells for £210 from Amazon, whereas the 128GB version is just £58. You could buy three of those for less and have loads more storage, but of course, swapping tiny cards like these is problematic.
Samsung has already released the Official Android 5.0.2 Lollipop update to the Galaxy Tab 4 10.1 LTE and Wi-Fi variants earlier this month.
Today, we have confirmed reports that the Samsung Galaxy Tab 4 7.0 and Galaxy Tab 4 8.0 will get official Lollipop 5.1.1 Updates starting from early next month (July,2015). This means we will see the first Lollipop firmware for these two devices in few weeks by the end of Q3,2015.
However, the update is a stage roll-out and will take long time to reach all regions/carriers but you can flash the first firmware released to your variant right away.
Galaxy Tab 4 update packs Android build 5.1.1 Lollipop, including a New TouchWiz UI for tablets with Material Design, New Notifications panels, New lock-screen, improved Muti-tasking mode along with various bug fixes and performance improvements.
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UPDATES!
July 8th,2015 - As we reported Samsung Galaxy Tab 4 8.0 got its first Official Android 5.1.1 Lollipop Firmware update More Details and Download HERE.
July 20th 2015 - Currently the Galaxy Tab 4 7.0 Updates are still "In-Development".
August 10th 2015 - Galaxy Tab 4 7.0 updates reached Final Testing stages.
September 24th 2015 - Galaxy Tab 4 7.0 updates are Rolling-out.
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The most important part of any new Smartphone or tablet is the battery, that powers everything in that device. Batteries capacities (mAh) has increased slightly over the last decade but not as expected. As we can't make batteries any bigger, increases in raw capacity are needed, and researchers have been looking to new materials to find the solution.
This is where Samsung's research comes in. The company has come up with a new coating method for battery cathodes, which overcomes the cycling performance and capacity limitations imposed by current implementations. The new process makes use of that excellent conductive material known as Graphene, which is grown directly onto the silicon coating surface without silicon carbide formation.
Samsung's researchers claim that its technique allows the full cell to reach volumetric energy densities of 972 and 700 Wh l-1 at first and 200th cycle respectively, when paired with a commercial lithium cobalt oxide cathode. This is around 1.8 and 1.5 times greater than commercialized lithium ion batteries, meaning more battery capacity for a given area. Typically, these type of designs reduce the battery's life span due to more charge and discharge cycles, but this time the researchers also claim good cycling performance, due to its multi-layer design.
Samsung expects that its breakthrough will have important implications for both mobile devices and the electric car industry, which both really need additional battery capacity. However, like most new ideas, industry observers expect that the technology is at least two or three years away from commercialization.
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