Technology

close to the limit of the traditional

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For years, researchers around the world have worked on ways and ways to improve the efficiency of solar panels. However, there are theoretical limits that cannot be overcome in practice. The alternative? Use much more interesting new materials, such as perovskita.

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Honor Play 20, data sheet of characteristics and price

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With a dropper, the mobile phones of the new Honor begin to arrive as an independent company from Huawei. The first was the high-end Honor View 40, later the mid-range Honor Play 5T arrived and now it is the turn of the entry-level range, personified in the new Honor Play 20.

The Honor Play 20 is a simple and inexpensive terminal, with a somewhat iPhone-like design and measured specifications. It stands out for its 5,000 mAh battery and curiously it can go up to 8 GB of RAM, which is quite a lot for its range.

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The 10.4 “2K Huawei MatePad tablet with wide angle camera is less than 200 euros in its official store with this coupon

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Tablets are no longer only devices focused on entertainment and consumption of multimedia content. With the pandemic, they have become work and study tools with which to hold online classes and meetings through video calls. The Huawei MatePad of 10.4 “ It is an interesting model that is on sale in the official store of the brand using the coupon “A20MP10”, leaving it at 199 euros.

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The deepest shipwreck discovered to date is a World War II destroyer 6,500 meters underwater

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October 25, 1944. The Fletcher-class destroyer USS Jonhston (DD-557), which was fighting in the Battle of Samar in the Philippines, was sunk after being exposed for three hours to intense combat against a fleet of Japanese destroyers, including the Yamato. 327 people were on that boat. Only 141 survived. The ship sank at sea and was discovered in 2019, at a depth of 6,456 meters. Today, finally, it has been possible to reach it, record it, photograph it and examine it thanks to a manned submarine.

Those responsible for such a milestone have been some American expeditions from the Texas technology company Caladan Oceanic. The team, consisting of Victor L. Vescovo (retired US Navy commander and expedition sponsor), Park Stephenson (also retired commander), and Shane Eigler (senior submarine technician) were able to examine the ship after two eight hour dives. This is what they found.

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