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Indo-French Scientists Develop Super Touch Sensitive Material that has the Ability to Mimic Human Touch

The newly developed material enhances response rate by thousand times from existing materials and can store more energy in less space, for applications like mobile handsets, specially new-age smartphones

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Indo-French scientists develop super touch sensitive material that has the ability to mimic human touch. Wikimedia
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  • A team of Indian and French scientists have developed a touch sensitive material that enhances response rate by thousand times from existing materials
  • The material is made of Quantum Dots (QD) with liquid crystals; QDs are very small semiconductor particles, only several nanometres in size
  • The team controlled the assembly of quantum particles in liquid crystal matrix for this specific purpose and by changing the concentration of QDs

New Delhi, August 1, 2017: A super touch sensitive material has been developed by a team of Indian and French scientists. This material has the ability to enhance response rate by thousand times from existing materials. A super touch sensitive material has been developed by a team of Indian and French scientists. This material has the ability to enhance response rate by thousand times from existing materials.

The material is made of Quantum Dots (QD) with liquid crystals. QDs are tiny semiconductor particles which are only several nanometers in size. This material has its applications in semiconducting devices with pico-ampere sensitivity and it is able to mimic any biological system.

This system can also store electrical energy more efficiently.

For this specific purpose, the team controlled the assembly of quantum particles in liquid crystal matrix by altering the concentration of QDs. Professor Sandeep Kumar of Raman Research Institute, Bengaluru was responsible for preparing the QDs that were used in this project.

In a conversation with Indian Science Journal, Dr Dharmendra Pratap Singh, the corresponding author of the study and a post doctoral researcher at University of the Littoral Opal Coast in France, said, “This invention opens up development of semiconducting energy storage devices.We are planning to do some more experiments to make a battery for pocket devices using this material by next year.”

Dr. Singh also mentioned that the advantage of the new touch sensitive material is its ability to store more energy in less space, that can be very-utilised for applications like mobile handset, especially new age smartphones.

According to ANI report, the research details have been published in the latest edition of Journal of Physics D: Applied Physics.

Currently, touch sensitive materials are made of liquid crystals on Indium Tin Oxide (ITO) in IPS mode (in-plane switching mode), which means that a device captures traffic for the sensor and then forwards a copy for analysis to the sensor.

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Scientists have been trying for some time now to develop organic light emitting diode (OLED) devices which could possibly help in reducing the operating voltage significantly while improving the efficiency and light output.

The five most common types of touch screen technology are :  5-Wire Resistive, Surface Capacitive, ProjectedCapacitive, SAW (Surface Acoustic Wave), and Infrared. The most widely used touch technology today is 5-Wire Resistive Touch.

Resistive touch screens were invented in 1970. A resistive screen basically consists of a number of layers. It functions like this: when the screen is pressed, the mechanism pushes the outer layer onto the next layer, the technology is programmed to sense that pressure being applied and register input.

Resistive touch screens are widely versatile, users can use them with a finger, a fingernail, a stylus or any other object. They are very user-friendly as well.

Capacitive touch screen – a control display that uses the conductive touch of a human finger or a specialized device for input, was designed first but they were eclipsed in the early years of touch-screen technology by the invention of resistive touch screens. A fun fact, American inventor Dr G. Samuel Hurst developed resistive touch screens almost accidentally.

– prepared by Durba Mandal of NewsGram. Twitter @dubumerang


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Iphone XR To Start Its Pre-Order In India

The iPhone XR is water resistant, with a rating of IP67.

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Apple likely to launch iPads, Macs on Oct 30. Flickr Commons

Apple’s cheapest iPhone XR will go on sale in India from Friday, starting from Rs 76,900.

The iPhone XR will be available at the Apple authorised resellers from October 26 in 64GB, 128GB and 256GB models in black, white, blue, yellow, coral and “(PRODUCT)RED” colours, the company said in a statement on Thursday.

The new iPhone XR with all-screen glass and aluminium design features 6.1-inch display a” touted as the most advanced LCD in a smartphone.

The device, launched along with luxury iPhone XS and XS Max, houses A12 Bionic chip with next-generation “Neural Engine”, which unlocks new experiences for immersive augmented reality (AR), games and photography.

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Phil Schiller, Apple’s senior vice president of worldwide marketing, speaks about the new Apple iPhone XS, iPhone XS Max and the iPhone XR at the Steve Jobs Theater during an event to announce new Apple products, Sept. 12, 2018, in Cupertino, Calif. (VOA)

“It delivers all day battery life, lasting up to an hour and a half longer than iPhone 8 Plus,” Apple said.

The iPhone XR with 12MP rear camera and 7MP front sensor claims to have better lowa’light performance.

It has “Portrait” mode with a single-lens camera with sophisticated “bokeh” and “Depth Control” features.

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The “Depth Control” lets users adjust the depth of field both in real-time preview and post-capture.

The iPhone XR is water resistant, with a rating of IP67, and protects against everyday spills including coffee, tea and soda. (IANS)