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Browse your favourite new Hindi movies, latest English movies and regional movies at Hungama. The team thinks the new NCSU device holds promise for powering wearable devices, charging them spontaneously with no need for an external power source.Produced by Tarang Cine Productions Creative Head: Ranjan Sathpathy Story and Direction: Tapas Sargharia Dialogues: Sakti Baral & Debidutta Mohanty Music: Ab.Download new, old & recent movies to your Hungama play account. It produces small amounts of electricity comparable to other energy-harvesting technologies, and it can also operate in water as well as air, according to the team's recent paper published in the journal Advanced Materials. What to Watch Latest Trailers IMDb Originals IMDb Picks IMDb Podcasts Awards & Events Oscars Best Picture Winners Best Picture Winners Golden Globes Emmys Hispanic & Latino Voices STARmeter Awards San Diego Comic-Con New York Comic-Con Sundance Film Festival Toronto Intl Film Festival Awards Central Festival Central All EventsScientists at North Carolina State University have developed a flexible, stretchy energy-harvesting device solely out of biocompatible soft materials: liquid metal and soft polymers known as hydrogels.

But the rigidity proved to be a shortcoming, since electricity was only generated by moving the stiff electrode up and down. The 2013 researchers found they could harvest energy from an electrical double-layer capacitor (ELCD) by depressing arrays of water droplets sandwiched between two rigid electrodes, thereby spontaneously charging the capacitor. And one of its remarkable attributes is that it works perfectly well underwater.вЂќThe NCSU scientists were particularly inspired by a 2013 paper by Korean researchers. вЂњWe have created a device that can turn this type of mechanical motion into electricity. She is an actress, known for 9 Songs (2004), How to Lose Friends & Alienate People (2008) and The Trip (2010).'Mechanical energyвЂ”such as the kinetic energy of wind, waves, body movement and vibrations from motorsвЂ”is abundant,' said co-author Michael Dickey, a chemical and bimolecular engineer at NCSU. Margo Stilley was born on Novemin Bear Creek, North Carolina, USA.

When electricity is generated, it can be harnessed by an attached wire.'Since the device is soft, any mechanical motion can cause it to deform, including squishing, stretching, and twisting,' said Dickey. Deforming the liquid metal increases the area, and the greater the surface area, the greater the induced charge. The dissolved salts in the water (ions) congregate on the metallic surface, forming an electrical double layer akin to a capacitor.

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Alternatively, one might prestretch the device and then let it relax, increasing the electric current (and thus the instantaneous peak power). And Dickey and his team think they can find a way to further increase the power density of their device.One way to do this might be by breaking the metal into smaller droplets, essentially increasing the area for a given volume. They are also investigating how to adapt their technology to harvest power from wind and ocean waves. And there is still some energy wasted in the deformation of the hydrogel even softer gels could possibly improve its energy-conversion efficiency.The new NCSU device is primarily a proof of concept, according to Dickey. This could result in lower power outputs over a longer time period. Gallium also tends to oxidize over time, and the researchers did note a decrease in energy potential after several thousand cycles.

10.1002/adma.202103142 ( About DOIs). Finally, 'In principle, one might explore other materials, such as ionic liquids or battery electrolytes to extend the operating potential,' the authors concluded.DOI: Advanced Materials, 2021.

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