Category Archives: Technology

Doodle or sweeping gestures unlock your smartphones

The smartphone can be logged into with doodle or sweeping gestures using your fingers. Scientists from Rutgers University of USA have done a study for free form passwords based on gestures in the smartphones field. Gesture password which is free form allow passwords of different shapes as well as number of fingers.

These results show that serious alternatives to other login methods as well as text logins are available for smartphone and other mobile device like tablets. These free form passwords based on gesture is extremely suitable for a touchscreen as it is fast to use, difficult to guess and extremely easy to remember. Such gesture passwords can prevent others from hacking our smartphone because everybody carries the smartphone everywhere now-a-days.

This finding will be discussed at the Association for Computing Machinery’s Conference on Human Factors in Computing Systems in the month of May 2016. 91 people participated in the survey and it was a huge success for people experimenting doodling. 2 different sets of accounts were created, 1st set social network and online banking, 2nd set shopping, gaming, dating, courses and music. It was a great finding for both the sets and goes a long way in defining the right kind of life for people.

These features can be expanded to services by internet, laptop and tablet combos, key locks, swipe cards and many more issues.

BSNL Launches Wi-Fi Free Services at Srinagar International Airport

4G, state-of-art, free Wi-Fi Hotspot has been started at Srinagar International Airport by BSNL such that digital divide amongst the people of Kashmir can be bridged. This service by BSNL is free for 15 minutes in the beginning of the service and was started by Asgar H Samoon, the Divisional Commissioner for Kashmir.

Mohammad Salim Beg, the general manager of BSNL, Kashmir had announced its launch in order to enable consumers to access internet service while on the go and to continue working even while having their pleasure trip. A one-time password is generated for the consumer’s smartphone or laptop which is accessed by a personalized service for login into their systems.

When the passenger logs into his/her system a registration link for the Wi-Fi service is prompted. After background verification is completed the consumer can browse free for the first quarter of an hour. The tourists to the valley will be greatly benefitted from the service and it will also be a boon for the localites.

Such facilities will be available in all other major public places like hospitals, schools bus-stops and many others like Press Enclave, Lal Chowk, Boulevard Road, SKIMS along the banks of Dal Lake by June end hence proving to be a major place of tourist attraction for the entire valley of Kashmir and neighbouring regions.

iPhone SE will launches on 21st of March, 2016

Apple has sent officially invitation for forthcoming week’s event at company’s headquarters being in Cupertino in California. Here it has been expected for introducing quite fewer devices together with fewer updates. Highlights of events like always are rumoured upcoming 4 inches iPhone. There are rumours currently that it is known as iPhone SE.

Critics curious and fans eager desire for knowing what Apple shall offer in 1st launching events of 2016. Specifications rumoured of iPhone SE upcoming are: Device is known as SE and not iPhone 5se. Company dropped “5” from name. Meaning is that iPhone SE shall be 2nd iPhone after 1st original generation models with no numbers in names. Changes in names are for simplifying iPhone line-ups. It brings back iPhone 5 variants in iPhone 6 life cycles which confuses customers.

iPhone SE replaces iPhone 5s which can sell same pricing points. Designs: Devices are known to be same as models of iPhone 6. Reports are that there is sporting of power buttons on sides. It had been with only models of iPhone 6 that companies began opting for side powering buttons because of device lengths. Therefore smartphones upcoming are same as iPhone 6 fitting onto 4 inches forming factors. iPhone SE shall offer 64GB and 16GB storage capacities with 1642mAh batteries. Options of connectivity’s include Wi-Fi 802.11 ac, Bluetooth 4.2, and Live Photos supports.

Improved and Newer Features of Android N

Features: Multi-Window Supports: With Android N, Google’s are adding multitasking features being requested onto OS-multi-window supports. This newer features allows users for popping opening 2 apps on screens in one instance. It runs them one-above-other or side-by-side in splitting screening modes. Enhancements of notifications: Google’s have redesigned also Android N’s notifications. It includes customized views, updates of templates, direct replies and notifications bundled.

Doze Revamped: Introduction of Doze was by Google. Doze is system modes which saves batteries when devices are idle in Android 6.0 Marshmallow. Presently in Android N, Google have improved features for saving batteries whilst on going. Optimisations background: In the Android N, Google’s have introduced “Project Svelte”. These are efforts for optimising ways apps runs in backgrounds.

Data Saver of Android N: With newer Data Saver modes, users get much controlling over as to how apps utilize data cellular. Once data saver modes are enabled in Settings, systems block data back-ground thereby signalling apps for utilizing lesser data possible wherever. Booting directly: Along with additions of direct booting, Android N improves start-up times of devices. It allows apps registered for having functionalities limited after reboots unexpected.

Number-blocking: It is addition notably. Google tells this newer feature applies to defaulting apps of messaging. 3rd party provider app and defaulted phone app can write to and read from blocked numbered lists.

Report: Apple Plans flexible OLED Displays for iPhones

Apple is developing iPhone largest till date. It features 5.8 inches screens with important OLED switches from LCD traditional displays. Truly speaking, Apple marks changes drastically from 5.5 inches existing iPhone screening sizes. These are radical departures from 4 inches standardised iPhones in year 2014.

Decision of Apple is using displays of OLED for iPhones in future. These have been in vogue and new for fewer times now. Apple expects bringing iPhones numbered 50 million with displays of OLED in availability’s first year. Sources of DigiTimes in supplying chains have revealed this. Apple shall not rest in integrations of OLED since its pipeline of innovation brings flexible and foldable OLED displays for iPhones of future. This was said by Ray Soneira of DisplayMate to MacRumors.

It pointed towards fewer patents related being filed by companies in 2015 September. With usage of displays flexibly, Apple has abilities of eliminating bezels from side of iPhones. It integrates gestures or functions useful. It is thing that Samsung does with flagship products namely Galaxy S7 Edge and S6 edge. OLED display has important benefits because it is light, thin thereby offering viewing angles.

5.8 inches iPhones of Apple shall go against directly Galaxy Note Series of Samsung. Newer iPhone SE are being launched on 15th March 2016. First iPhones with OLED displays shall be launched in 2018. I was told by The Korean Times.

HTC likely to Introduce 3D touch technology to smart-phones

3D touch technology in smart-phones has been a trend setter. While Apple has been a pioneer in this sort of 3D tactile technology, many other companies have also come to the forefront like HTC. Recently iPhone 6S has shown promise as a device with 3 D Touch technological knowhow. Google Nexus smartphone by HTC has been another major contender to Apple, such that the Touch technology has become a bit of common features.

3D Touch technology makes users interact with smartphone intuitively more with devices through screens being pressure sensitive that mimics responses and feels of realised buttons. In longer runs force sensitive technologies promise also better or new application from games lifelike more and virtual realities for adding sounds, temperatures and textures to screens also.

As per (TOI) Times of India, HTC shall be making and manufacturing Nexus next handsets. This uses 3D Touch like displaying technologies being sensitive pressure wise in smartphones of Google. There are possibilities as to that the Google may look at features makings Android standards. Addition of reports is that smartphones brand of China such as Vivo, Xiaomi, Oppo and Meizu works also on handset with these technologies.

Recently most, Gionee conducted unveilings of Elife S8 phones boasting 3D Touch features also. Supports lacking from developers of apps have hampered so far proliferation of Android device technologies.

Winning Features of Self-Driving Cars

Self-Driving cars are called also autonomous cars, robotic cars and driverless cars. This vehicle has capabilities of environments sensing and navigations with no inputs human-wise. An autonomous car detects surrounding by utilization of lidar, computer visions, radar, Odometry and GPS. Control of advanced systems interprets information sensory for identification of apt navigations path and obstacles and signage relevant.

Autonomous vehicles possess controlling systems having capabilities of analysis of data sensory for distinguishing in between various cars on roads. This is excellently useful in path planning to wanted destinations. From Geneva Car Show to futures of vehicles self-driving, there are weeks in luxury car auto dispatching in nutshells.

Newer Volkswagen Phideon debuted also at international events. It is present with turbo charged engines of gasoline. Luxury Limousine had been exclusively made for China. It is a matter of being unclear as to whether it shall ever been having conducted sales in United States or Europe. Porsche’s 718 Boxster S and Porsche’s 911 R 500 horsepower had managements of making huge impacts and splashing quite.

This is being despite light models road going in series. Newer 911 R is for car perfectionists who in turn seek driving unfiltered experiences. This was written by Mark Ewing. R’s are not for the drones along with tablet playing of theirs. Lamborghini Centenario, Ferrari GTC4Lusso, Aston Martin DB11 and McLaren 570 GT are amongst expensive, fast showcasing and sexy shows.

New Super VOOC Battery Technology of Oppo Charges Phones fully in Less Time

Smartphones are presently getting more and more powerful with each passing days. But many people do not have time for charging them. Luckily and fortunately for people, Oppo has solution. Chinese companies at on-going Mobile World Congress trade shows did unveiling of newer batteries technologies being dubbing Super VOOC Flashing Charges. This is up gradation over technologies of VOOC Flashing Charges.

It charges 2500mAh batteries from 0 to 100 percent in time duration of within 15 minutes. Company unveils also Smart Sensor imaging stabilisations that is meant for ensuring that photographs of yours are not shaky. Problems with Lithium-ion battery, that power smartphones for last fewer years, are that it hits seemingly their thresholds. Not too many innovations have been witnessed lately along with them.

Companies of smartphones realises that in nearer pasts they had have taken into consideration many technologies being fast charging which includes Quick Charge of Qualcomm’s for faster phone charging. But Quick Charge even is not that fast. Oppo’s Super VOOC Battery Technologies has worked with USB Type-C and Micro-USB inputting peripherals.   This regulates dynamically current charging phones in short times as possible. All newer pairs of algorithms with “super battery” customised and newer adaptors, cables and connectors being made for using military premium graded materials. This Super VOOC Flashing Charge is safe perfectly.

Flexible Photovoltaic Technology: Its features, benefits and Applications

Flexible Photovoltaic Technology is technology of research levels. It was example of one that had been created at Massachusetts Institute of Technology. In this solar cells were manufactured by deposition of photovoltaic materials on substrates that are flexible like ordinary paper. There is also usage of chemical vapour deposition technologies. Manufacturing technologies of solar cell on paper had been developed by researchers group from National Science Foundation and Eni-MIT Alliance Solar Frontiers Program.

Features: Photovoltaic organic circuit materials have been deposited in 5 layers on substrates of ordinary paper in vacuum chambers. This is done by conformal coating of conductive electrode polymer with chemical oxidative vapours. Process is called chemical vapour deposition. Solar panels of this kind have capabilities of voltage production which exceeds 50 V. This in turn power appliance normally at lighting conditions. Solar cells are shown also being flexible. Conductive solar cells grids are same as inkjet photo printouts with rectangles patterned. When leads have been attached to substrates electrically, it has to be shown to electrical power appliances. “Printing” costs (as described by MIT) is claimed for being same as photo inkjet printing. The technology makes use of vapour deposition temperatures being less than 120 degrees. This becomes easy for manufacturing on ordinary papers. Panel’s current efficiency is nearly 1%. Researchers hope for improvement in near futures. Testing: Circuits were tested also by deposition of photovoltaic materials on (PET) polyethylene terephthalate substrates. PET sheets were unfolded and folded 1000 times. No over ting performance deterioration had been observed. There are photovoltaic materials common being deposited on deteriorated PET with only 1 fold. Solar cell was passed also by means of laser printing for demonstrating performance continued after exposures to temperatures somewhat high. It still retains procedural characteristics.

Benefits: In solar panels conventionally, panel’s supporting structures like brackets and glass are 2 times more costly as materials of photovoltaic being manufactured on them. Paper in turn costs 1 thousandth of glass approximately. Solar cells use printing process. This is much cheap than solar panels conventionally. Different methods also which involves coating papers along with material includes 1st paper coating with smooth materials for counter acting molecular scale’s paper rough. But in this process, photovoltaic materials are directly coated onto paper untreated.

Applications: In case solar cells achieve in turn sufficient maturity technologically, they are used as window shades and wall papers for electricity production from lighting room. They also can be manufactured on the clothing. This can be used for charging portable devices electronically such as media players and mobile phones. Solar flexible modules are used on roofs curved or on those roofs where there is no sense of installing rack mounting systems.

Disadvantages: For lasting more than 20 years outdoors being having elements exposure, solar cells are finished with front sheets of thermoplastic olefin or UV resistant fluoropolymer instead of glass being used in solar cells conventional. This is less costly comparatively. Solar cells should be sealed such that oxygen and water do not enter and destroy cells by means of oxidative degradation. Photovoltaic solar cell: Solar panels are imagined when one thinks of solar power (polycrystalline and monocrystalline). Flexible photovoltaic technology is composed not of highly silicon refined crystals. But instead it is 1 continuous material. 4 types of (TFPV) thin-film solar photovoltaic being classified by photovoltaic materials are used. TFPV principle is same as crystalline PV. Light strikes material. It excites electrons. Then flow by means of p-n junction permutation, thereby generating electricity’s that is utilized and captured.

There are amorphous silicon (aSi) solar photovoltaic cells: This was developed in seventies. It was made from silicon’s non-crystalline form.

Electric Locomotive – Technological Overview

Electric Locomotive is that locomotive which is powered in turn by electricity by means of third rail, on-board energy storages like fuel cell or battery or the overhead lines. Electric Locomotives along with on-board prime fueled movers like gas turbines or diesel engines are classified as gas turbine- or diesel- electric locomotives. Reason is that electric motor/ generator combination only serves as system of power transmission. Electricity has been used for eliminating smoke and taking benefits of high efficiency of electric motors. But electrification costs have meaning that only usually heavy used lines are electrified. Electric Locomotive is supplied with powers from ultracapacitor-mining powered locomotives or rechargeable energy storage systems or stationary sources. Designing features distinguishing of Electric Locomotive is: Electrical power types used DC or AC. Storing ways (ultracapacitors, batteries) or transmission (collecting) electrical powers. Means used for coupling traction motors to drivers (driving wheels).

Alternating current and direct current: Most important differences lie in choices of DC or AC. Early systems used DC as AC had not been understood nicely. Insulation materials for high lines of voltage are not available. The DC locomotives run typically at relative low voltages (600 volts to 3000 volts). Equipment is relatively massive therefore since involved currents are large for transmitting power sufficient. Power is supplied at intervals frequently as high current results in system losses of large transmission. AC motors have been developed. They had become predominant types. This is on long routes particularly. High voltages (10s of 1000s of volts) have been used since these allow uses of low currents. Transmission losses have been proportional to square of current, meaning 2 times current means 4 times loss. High powers are conducted over longer distances on light and cheap wires. The transformers in locomotives transform power to low voltages and high currents for motors. Same low current high voltage system is employed with locomotives of DC. There are no easy ways of doing current/voltage transformation for DC. This is efficient as got by AC transformers.

Transmission of power: Electrical circuits need 2 connections or 3 connections for 3 phase AC. From beginning, tracks are used for 1 circuit side. Unlike railroads model track supplies normally 1 side only. Other circuit side is separately provided. Original electrification of Baltimore and Ohio Railroad uses sliding shoe in overhead channels. This system found quickly being unsatisfactory. This was by third rail replaced. In this, “shoe” (pickup) rode on top or underneath of small rail paralleled to main tracks on top of ground level is there. Multiple pickups are there on 2 sides of locomotives for break accommodation in third rail. This is needed by trackwork. System is thereby preferred in the subway since it affords close clearances. Railways prefer overhead lines called often “catenaries” after support system is used for holding wires paralleled to ground. 3 collection ways are possible: Bow collector: It is frame which holds long collecting rods against wires. Pantograph: It is hinged frame which holds collecting shoe against wires in fixed geometries. Trolley Pole: It is flexible long pole that engages line with shoe or wheel. Driving wheels: During developments initially of electrical railroad propulsion, plenty of drive systems had been devised for coupling output of traction motors to wheels. Locomotive early often used jackshaft drives. In arrangement like this, traction motors are mounted inside locomotive body and drives jackshaft by means of gear’s set. System had been employed since 1st traction motors are too heavy and large for direct mountings on axles. Plenty of mechanical parts are involved. Frequent maintenance is necessary. Jackshaft drives are abandoned for all. But small units when light and small motors were developed.

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