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This computer mimics the way a human brain completes tasks

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A team of US researchers has developed an “artificial synapse” that does not process information like a digital computer but rather mimics the way human brain completes tasks. The discovery can lead to energy-efficient AI devices that would revolutionise our lives, said the team from University of Pittsburgh.
“The analog nature and massive parallelism of the brain are partly why humans can outperform even the most powerful computers when it comes to higher order cognitive functions such as voice recognition or pattern recognition in complex and varied data sets,” explained Dr Feng Xiong, Assistant Professor of Electrical and Computer Engineering.
An emerging field called “neuromorphic computing” focuses on the design of computational hardware inspired by human brain. Dr Xiong and his team built graphene-based “artificial synapses” in a 2D honeycomb configuration of carbon atoms. Graphene’s conductive properties allowed the researchers to finely tune its electrical conductance. The graphene synapse demonstrated excellent energy efficiency just like biological synapses, said the study published in the journal Advanced Materials.
In the recent resurgence of AI, computers can replicate the brain in certain ways but it takes about a dozen digital devices to mimic one analog synapse. The human brain has hundreds of trillions of synapses for transmitting information, so building a brain with digital devices is seemingly impossible, or at the very least, not scalable. Xiong Lab’s approach provides a possible route for the hardware implementation of large-scale artificial neural networks. The graphene-based neural networks can be employed in flexible and wearable electronics to enable computation at the “edge of the Internet” – places where computing devices such as sensors make contact with the physical world.
“By empowering even a rudimentary level of intelligence in wearable electronics and sensors, we can track our health with smart sensors, provide preventive care and timely diagnostics, monitor plants growth and identify possible pest issues, and regulate and optimize the manufacturing process,” Dr Xiong explained.
The development of an artificial brain that functions like the analog human brain still requires a number of breakthroughs, said researchers. There is a need to find the right configurations to optimise these new “artificial synapses”. Despite the challenges, Dr Xiong said he’s optimistic about the direction they’re headed. “We are excited about this progress since it can potentially lead to the energy-efficient, hardware implementation of neuromorphic computing, which is currently carried out in power-intensive GPU clusters,” he noted.


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Tech-Film

Fujifilm GFX 100 Medium-Format Mirrorless Camera With 100-Megapixel Sensor Launched

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Earlier this May, Fujifilm finally took the wraps off its flagship medium-format camera, the GFX 100 and now, the company has officially launched it in India. The GFX 100 is a medium-format, mirrorless camera which boasts of a 100-megapixel sensor, in-body image stabilisation, 4K video recording and phase detection autofocus (PDAF). The camera is available in India at a price of Rs. 7,86,999.

The GFX 100 uses a full-sized body, which means you get a side and bottom hand grips, similar to Canon’s EOS-1DX II. This chunky camera body is quite a handful too, weighing in at roughly 1.36kg. You get a secondary shutter button and dial on the bottom right corner, for when you switch shooting orientations. The controls at the back look very similar to those on the Fujifilm X-T3 as there’s a similar, dual-hinged 3.2-inch touchscreen with a 2.36 million dot resolution. There’s a removable OLED EVF, with a crazy high 5.76-million dot resolution, similar to the Panasonic S1 and S1R. The Fujifilm GFX 100 body is also dust and weather resistant and is built using a magnesium alloy. The dials for shutter speed and ISO have been swapped for a LCD display, which shows you the appropriate dials based on the shooting mode you’re in.

The Fujifilm GFX 100 boasts of a brand-new 102-megapixel BSI CMOS sensor and is powered by Fujifilm’s X-Processor 4 image processor. According to the company, this is the world’s first medium format camera to pack in this kind of sensor size, while still having PDAF and 5-axis in-body stabilisation. 4K video shooting is also supported, up to 30fps, or you can output 10-bit 4:2:2 uncompressed footage over HDMI. Other features include an ISO range of 100-12,800, support for 16-bit RAW files, a Type-C USB port, and two SD card slots with support for up to UHS-II speeds.

 

At the event, Fujifilm also unveiled the new Premista series of zoom lenses. The lenses are designed for large format sensors, such as the GFX 100, and are aimed for use in professional video productions. The Premista 28-100mm T2.9 will be available in August at a price of $38,800 (roughy Rs. 26,58,537), while the Premista 80-250mm T2.9-3.5 will be available later this year for $39,800 (roughly Rs. 27,27,056).

“With the launch of GFX100, we have achieved a great milestone in our digital camera business,” said Haruto Iwata, Managing Director, Fujifilm India, in a statement. “I am optimistic that the launch will further enhance our presence in India and we will continue introducing cameras that deliver an unparalleled standard of optical brilliance that is sure to delight a photographer’s fantasy.”

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Samsung Galaxy Watch Active 2 Will Come With an ECG Monitor: Report

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Samsung Galaxy Watch Active 2, which is the company’s unannounced successor to the Galaxy Watch Active, will indeed be launching with an electrocardiogram (ECG) monitor feature for heart rate tracking, if an online report is to be believed. According to leaks and rumours, the upcoming Galaxy Watch Active 2 is expected to be announced next month alongside the Galaxy Note 10 smartphones. Additionally, it is being reported the new ECG feature won’t be functional right away, and it will be enabled through a software update next year.

According to a report by Wareable, the Galaxy Watch Active 2 codenamed “Renaissance” will be launching in three variants — an LTE model, a Bluetooth-only model, and an Under Armour-branded Bluetooth version. All models of the watch will be compatible with both Android and iOS, though the LTE functionality will only work with Android phones at launch. Sizes on offer will be 40mm and 44mm, which is the exact same sizing used on the Apple Watch Series 4.

Regarding the ECG reader, the report confirms that the upcoming Galaxy Watch Active 2 will indeed have it, but as Samsung is still waiting on the FDA approval, the feature won’t be available until sometime in the first half of 2020. There will be some heart rate features that the South Korean tech giant might reveal on stage, but the ECG monitor heart tracking will only work after a software update is rolled out next year.

 

A few days ago, the Galaxy Watch Active 2 was leaked in all its glory. Additionally, the August 5 date on the leaked watch face suggests that the new watch could be unveiled by Samsung two days before the launch of the Galaxy Note 10 smartphones. Guess, we’ll find out next month.

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I have never holidayed alone: Adah Sharma

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Actress Adah Sharma who is playing the leading lady in the new web series “The Holiday”, says that she has never been on a solo trip because, for her, more than an exotic location, companionship is what matters when it comes to long-distance travel.

“I have never been on a solo trip. I guess that has happened because I started working at a very young age. I went to Goa along with my best friends from school after the board exam. Since then, I have been to numerous places but always travelled with friends,” Adah told IANS, when asked about her most memorable solo trip.

Recalling her first holiday, she said: “I have a vivid memory of a family trip to Hawaii. We had a stopover at Singapore and we went to a nature park. I was three-years-old then and in the park there were so many birds that I was happy to see!”

 

In the web series ‘The Holiday’, Adah essays a girl named Mehek, who is getting married. Before her big day, she has a a bachelorette party with three of her male childhood buddies. “The Holiday” also features Priyank Sharma and Ashim Gulati and the show is streaming on Zoom Studios’ YouTube channel.

Sharing how she found the concept different, the actress said: “Usually even in films, we get to see a either group of boys or a group of girls on a road trip. We have had films such as ‘Zindagi Naa Milegi Dobara’ and ‘Veere Di Wedding’. But we don’t get to watch a story where boys and girls are just friends and chilling (together on a vacation).”

So, what is her favourite holiday destination?

“I do not have a favourite holiday destination because more than an exotic place, people around matter the most. At times, even a small place like Lonavala becomes fun if I am with my best friends. It is people who make my life, my trips, and my journey more interesting than exotic locations.” said Adah.

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