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Mexican Physicist Solves 2,000-Year Old Problem That Will Lead to Cheaper and Sharper Lenses

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In most lenses, the center of the frame might be razor-sharp, but the corners and edges always appear a little soft. It’s something that’s been a problem for thousands of years within optical devices, with many researchers giving up hope until a recent breakthrough from a Mexican physicist, who has now developed a formula that will change how lenses are manufactured.

On paper, a curved glass lens should be able to redirect all the rays of light passing through it onto a single target known as its focal point. But in the real world, it just doesn’t work that way. Differences in refraction across the lens, as well as imperfections in its shape and materials, all contribute to some of those light rays, especially those entering the lens near its outer edges, missing the target. It’s a phenomenon known as spherical aberration, and it’s a problem that even Issac Newton and Greek mathematician Diocles couldn’t crack.

Today’s lens-building procedures come close to producing uniformly sharp images, but the lenses don’t have a perfectly spherical shape and can be very expensive and difficult to manufacture and design. However, all could be about to change thanks to Rafael G. González-Acuña, a doctoral student at Mexico’s Tecnológico de Monterrey who has managed to produce an equation that provides an analytical solution for counteracting spherical aberration. It’s all rather technical.

Rafael G. González-Acuña’s graphic equation

González-Acuña’s equation has been described as an “exact blueprint” for designing a lens that completely eliminates any spherical aberration. Regardless the size of the lens, the material it’s made from, or what it will be used for, this equation can decipher what is needed to design it to be optically perfect.

The breakthrough will revolutionize photographic equipment, as well as help improve scientific imaging, in devices like telescopes and microscopes. It’s said the advancement will allow companies to design and manufacture simpler lenses with fewer elements, benefiting the average consumer because it’ll mean lenses cost considerably less while offering improved image quality.

Source: https://fstoppers.com/news/mexican-physicist-solves-2000-year-old-problem-will-lead-cheaper-and-sharper-396628

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The Motivator

Samsung Galaxy S20 FE: Inspired by fans, for the fans

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Samsung Electronics Co., Ltd. has revealed the Galaxy S20 Fan Edition (FE), the newest member of the Galaxy S20 series. Galaxy S20 FE is a premium flagship smartphone that includes innovations Galaxy fans told us they love most, and it is also made available at an accessible price point. COVID-19 disrupted the world as we knew it and technology is now playing a more crucial role in our lives and that is why we created Galaxy S20 FE; to deliver flagship experiences to more consumers.

Samsung took select features of the Galaxy S20 series, such as the super smooth scrolling display, an AI-powered camera, advanced chipset, hyper-fast connectivity, all day battery, expandable storage, with a streamlined premium design, in order to create the all-new Galaxy S20 FE.

“The S20 FE is an extension of the Galaxy S20 family and is the start of a new way to bring meaningful innovation to even more people to let them do the things they love with the best of Galaxy.” Says Mr. Caden Yu, the Managing Director, Samsung Electronics West Africa.

All you want, to do what you love
Express the best of yourself when out on a day trip or at night catching fun with a pop of color that reflects your personal style, attitude and personality. The S20 FE comes in variant colors of Cloud Red, Cloud Lavender, Cloud Mint and Cloud Navy.

With the S20 FE, the fun never stops. The pro grade camera and 30X Space zoom help you capture memorable moments whether near or far at day time.

Plus, the night mode multi-frame and powerful performance gets you through the fun nights and the 4500mAH battery keeps you on all day with little in between time to recharge using the 15W fast charging.

And since life can be unpredictable, the Galaxy S20 FE is water and dust resistant; IP68 rated. Better yet, when accidents happens, one can rest easy knowing the 24 months warranty and Screen repair offer that comes with Pre order has got your back.

Pre order
The S20 FE is available for pre order from the 9th of October with a Wireless Bluetooth earphones, Clear Standing cover and Screen repair offer. You also get a 4 month Free Subscription on YouTube premium. Trade In Discount Offer also available from Pre order. Trade in your old phones and enjoy discount on the S20 FE
Launch.

The S20 FE would be officially available in the market from the 23rd of October. Visit any of our Samsung Experience Store nationwide for an amazing and pleasurable experience.

Device Specifications
With its variants of colors, S20 FE comes with a 6GB RAM/128GB ROM, a long lasting battery of 4500mAh with 15W fast charging, a 32MP selfie camera and a 120Hz Super-Amoled display.

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The Motivator

FIFA 21: No demo for upcoming game, EA Sports confirm

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The company says it will instead focus on perfecting the latest iteration of the series ahead of release

EA Sports has announced that the company will not be releasing a demo for FIFA 21.

FIFA 21 is set to be released on PlayStation 4 and Xbox One on Friday, October 9, having being pushed back from its usual September release date due to the coronavirus pandemic.

In addition, the game will also be eventually released on the upcoming Sony PlayStation 5 and Xbox Series X, making this year’s release one of the most important in recent years.

Typically, EA Sports release a demo for each year’s game around three weeks before the official release, allowing players to test out the gameplay in one-off matches featuring some of the game’s top teams.

The demo is then typically followed by an early access period for those that are EA Play members, offering players a chance to play the full game for a limited time before release.

However, EA confirmed on Monday that this year’s game will not have a demo, with the company instead focusing on making sure the full game is prepared for its October 9 release date.

“We aren’t releasing a demo for FIFA 21. Instead we’ve made the decision to focus our development team’s time on delivering the best full game experience for current & next-gen consoles,” EA said in a statement.

“We look forward to EA PLAY members jumping in 10 days from now and launching the game Oct 9.”

In recent weeks, EA has begun to unveil the list of the highest-rated players in the game, with Lionel Messi, Cristiano Ronaldo and Robert Lewandowski earning the top three places on this year’s rankings on the men’s side with U.S. women’s national team star Megan Rapinoe leading the way for the women.

This year’s game will feature improvements to career mode, new attacking systems such as Agile Dribbling, Positioning Personality and Creative Runs and improvements to the highly-popular Ultimate Team mode including FUT Co-Op gameplay and increased club customisation options.

Additionally, the game will feature a series of new icons: Eric Cantona, Ferenc Puskas, Xavi, Nemanja Vidic, Petr Cech, Samuel Eto’o, Bastian Schweinsteiger, Phillip Lahm, Fernando Torres, Ashley Cole and Davor Suker.

Source: https://www.goal.com/en/news/fifa-21-no-demo-for-upcoming-game-ea-sports-confirm/w6bswvm9fg9h16crm45vzt6qs

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Editing HTML Like A Boss In VS Code

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Here’s a seven minute video from Caleb Porzio that focuses on some of Emmet‘s HTML editing features. You might think of Emmet as that thing that expands abbreviations like table.stats>tr*3>td*3 into glorious, expanded, and perfect HTML. But Emmet has other HTML editing trickery up its sleeve. My favorite is “wrap with abbreviation” (which happens to be Cmd/Ctrl + Shift + A on CodePen), but there are more, like expanding your selection inward and outward and tag changing.

If you haven’t seen it, the Emmet 2 preview on CodePen is pretty neeeeat. It shows you what you’re about to expand into before you do it:

Direct Link →

Source: https://css-tricks.com/editing-html-like-a-boss-in-vs-code/

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