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Archivo del Autor: Belen De Leon

Extremely rare 'ring of fire' galaxy discovered in the early universe – CNET

Galaxies are burnin’ things and sometimes they make a fiery ring.
Source: CNET

When can I expect my stimulus check? 9 reasons why it hasn't arrived – CNET

Are you eligible for a stimulus payment, but your money hasn’t come from the IRS? Here are some possible reasons why it hasn’t shown up.
Source: CNET

Meet This Museum's All-Star Arachnids and Insects

Camel spiders and giant hornets and shimmering butterflies, oh my. An arachnologist gives a behind-the-scenes tour at the California Academy of Sciences.
Source: Wired

If You Can't Vote by Mail This Year, Don't Panic

With the right precautions in place, going to the polls isn’t so dangerous.
Source: Wired

Jabra’s Elite Active 75t earbuds offer great value and sound for both workouts and workdays

Technology improvements over the past few years mean that most fully wireless earbuds are a lot better than they used to be. That has led to something of a narrowing of the field among competitors in this arena, but some of the players still stand out – and Jabra have definitely delivered a standout performer with its newest Elite Active 75t fully wireless earbuds.

Basics

Jabra’s Elite Active 75t is a successor to its very popular 65t line, with added moisture resistance designed specifically for exercise use, as indicated by the ‘Active’ in the name. At $199.99, these are definitely premium-priced – but they’re a lot more affordable than many of the other offerings in the category, especially with their IP57-water and sweat resistance rating.

The Elite Active 75t also feature an esteemed 7.5 hours of battery life on a single charge, and their compact charging case carries backup power that adds up to a total of 28 hours potential run time across a single charge for both. The case charges via USB-C and also offers a fast-charge capability that provides 60 minutes of use from just 15 minutes of charging.

While they don’t offer active noise cancellation, they do have passive noise blocking, and an adjustable passthrough mode so that you can tune how much of the sound of the world around you you want to let in – a great safety feature for running or other activities.

They use Bluetooth 5.0 for low power consumption and extended connection range, have an auto-pause and resume feature for when you take out one earbud, and include a 4-mic array to optimize audio quality during calls.

Design

Jabra has accomplished a lot on the design front with the Elite Active 75t. Their predecessor was already among the most compact and low-profile in-ear wireless buds on the market, and the Elite Active 75t is even smaller. These are extremely lightweight and comfortable, too, and their design ensures that they stay put even during running or other active pursuits. In my testing, they didn’t even require adjustment once during a 30-minute outdoor run.

Their comfort makes them a great choice for both active use and for all-day wear at the desk – and the 7.5 hours of battery life doesn’t seem to be a boast, either, based on my use, which is also good for workday wear.

Another key design feature that Jabra included on the Elite Active 75t is that both earbuds feature a large, physical button for controls. This is much better and easier to use than the touch-based controls found on a lot of other headsets, and makes learning the various on-device control features a lot easier.

Finally in terms of design, the charging case for the Elite Active 75t is also among the most svelte on the market. It’s about the size of two stacked matchboxes, and easily slides into any available pockets. Like the earbuds themselves, the case features a very slightly rubberized outer texture, which is great for grip but, as you can see from the photos, is also a dust magnet. That doesn’t really matter unless you happen to be tasked with photographing them, however.

One final note on the case design – magnetic snaps in the earbud pockets mean you can be sure that your headset buds are seated correctly for charging when you put them back, which is a great bit of user experience thoughtfulness.

Performance

It’s easy to see why the Jabra Elite Active 75t is already a favorite among users – they provide a rich, pleasant sound profile that’s also easily tuned through the Jabra Sound+ mobile app. Especially for a pair of earbuds designed specifically for active use, these provide sound quality that goes above and beyond.

Their battery life appears to line up with manufacturer estimates, which also makes them class-leading in terms of single charge battery life. That’s a big advantage when using these for longer outdoor activities, or, as mentioned, when relying on them for all-day desk work. Their built-in mic is also clear and easy to understand for people on the other side of voice and video calls, and the built-in voice isolation seems to work very well according to my testing.

In my experience, their fit is also fantastic. Jabra really seems to have figured out how to build a bud that stays in place, regardless of how much you’re moving around or sweating. It’s really refreshing to find a pair of fully wireless buds that you never have to even think about readjusting them during a workout.

Bottom Line

Jabra has done an excellent job setting their offering apart from an increasingly crowded fully wireless earbud market, and the Elite Active 75t is another distinctive success. Size, comfort and battery life all help put this above its peers, and it also boasts great sound quality as well as excellent call quality. You can get better sounding fully wireless earbuds, but not without spending quite a bit more money and sacrificing some of those other advantages.


Source: TechCrunch

What It’s Like to Be First to Fly a Brand New Spacecraft

Robert Crippen is the only living NASA astronaut to have flown on a new spacecraft for the first time. The Crew Dragon flyers will join his elite club this week.
Source: Wired

China set to launch Mars probe and rover mission in July

China’s space program will launch a Mars mission in July, according to its current plans. This will include deploying an orbital probe to study the red planet, and a robotic, remotely-controlled rover for surface exploration. The U.S. has also been planning another robotic rover mission for Mars, and it’s set to take off this summer, too – peak time for an optimal transit from Earth to Mars thanks to their relative orbits around the Sun.

This will be the first rover mission to Mars for China’s space program, and is one of the many ways that it’s aiming to better compete with NASA’s space exploration efforts. NASA has flown four previous Mars rover missions, and its fifth, with an updated rover called ‘Perseverance,’ is set to take place this years with a goal of making a rendezvous with Mars sometime in February 2021.

NASA’s mission also includes an ambitious rock sample return plan, which will include the first powered spacecraft launch from the red planet to bring that back. The U.S. space agency is also sending the first atmospheric aerial vehicle to Mars on this mission, a helicopter drone that will be used for short flights to collect additional data from above the planet’s surface.

China has a number of plans to expand its space exploration efforts, including development and launch of an orbital research platform, its own space station above Earth, by 2022. The nation’s space program also recently test-launched a new crew spacecraft, which will eventually be used in its mission to land Chinese astronauts on the surface of the Moon.

Meanwhile, NASA has issued a new set of draft rules that it is proposing for continued international cooperation in space, particularly as they related to reaching the Moon and setting up a more permanent human presence on Earth’s natural satellite. The agency is also hoping to return human space launch capabilities to the U.S. this week with a first demonstration launch of astronauts aboard SpaceX’s Crew Dragon spacecraft on Wednesday.


Source: TechCrunch

Work collaboration unicorn Notion is blocked in China

Notion, the fast-growing work collaboration tool that recently hit a $2 billion valuation, said on Twitter Monday that its service is blocked in China.

The productivity app has attracted waves of startups and tech workers around the world — including those in China — to adopt its all-in-one platform that blends notes, wikis, to-dos, and team collaboration. The seven-year-old San Francisco-based app is widely seen as a serious rival to Evernote, which started out in 2004.

Notion said it is “monitoring the situation and will continue to post updates,” but the timing of the ban noticeably coincides with China’s annual parliament meeting, which began last week after a two-month delay due to the COVID-19 pandemic. Internet regulation and censorship normally toughen around key political meetings in the country.

Notion could not be immediately reached for comment.

For Notion and other apps that have entered the public eye in China but remained beyond the arm of local laws, a looming crackdown is almost certain. The country’s cybersecurity watchdog could find Notion’s free flow of note-sharing problematic. Some users have even conveniently turned the tool’s friendly desktop version into personal websites. If Notion were to keep its China presence, it would have to bow to the same set of regulations that rule all content creation platforms in China.

Its predecessor Evernote, for example, established a Chinese joint venture in 2018 and released a local edition under the brand Yinxiang Biji, which comes with compromised features and stores user data within China.

Rivalry in work collaboration

Just before its ban in China, Notion surged on May 21 to become the most-downloaded productivity app in the domestic Android stores, according to third-party data from App Annie. The sudden rise followed on the heel of its decision to make its core feature free for individual users. It also appears to be linked to its Chinese copycat Hanzhou (寒舟), which stirred up controversy within the developer community over its striking resemblance to Notion.

In an apologetic post published on May 22, Xu Haihao, the brain behind Hanzhou and a former employee of ByteDance-backed document collaboration app Shimo, admitted to “developing the project based on Notion.”

“We are wrong from the beginning,” wrote Xu. “But I intended to offend nobody. My intention was to learn from [Notion’s] technology.” As a resolution, the developer said he would suspend Hanzou’s development and user registration.

Some of the largest tech firms in China are gunning for the workplace productivity industry, which received a recent boost during the coronavirus crisis. Alibaba’s Dingtalk claimed last August that more than 10 million enterprises and over 200 million individual users had registered on its platform. By comparison, Tencent’s WeChat Work said it had logged more than 2.5 million enterprises and some 60 million active users by December.

The 


Source: TechCrunch

CRISPR podría ser la clave para crear un test doméstico de COVID-19

Varias empresas compiten para fabricar una prueba que permita diagnosticar el coronavirus desde casa, como si fuera un test de embarazo y los primeros modelos podrían llegar a final de año. Pero si no se obliga a las personas a comunicar sus resultados, podríamos perder el acceso a una información muy valiosa
Source: MIT

Consejos para manterse cuerdo en medio de la locura del coronavirus

Cada vez más voces advierten que la pandemia va a generar una avalancha de problemas de salud mental. Ofrecemos una serie de herramientas tecnológicas y psicológicas para ayudar a la gente a cuidar de su propio estado de ánimo antes de que el estrés y la ansiedad se conviertan en algo peor como la depresión
Source: MIT

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