sábado, 5 de dezembro de 2020

Dicas de como fazer!

Dicas de como fazer!


China’s Chang’e 5 completes docking mission on its way back to Earth

Posted: 05 Dec 2020 02:54 PM PST

Photo taken at Beijing Aerospace Control Center BACC in Beijing on Dec. 3, 2020 shows the ascender of Chang'e-5 spacecraft flying above the lunar surface. The Chinese spacecraft carrying the country's first lunar samples blasted off from the moon late Thursday, the China National Space Administration announced. This represented the first-ever Chinese spacecraft to take off from an extraterrestrial body. 
The ascender of Chang'e-5 spacecraft flies above the surface of the Moon December 3rd. | Xinhua/Jin Liwang via Getty Images

China's Chang'e-5 mission completed a tricky docking maneuver on Saturday, as it prepares to return the soil samples it collected from the Moon's surface back to Earth.

Chang'e 5 launched on November 23rd atop a Long March 5 rocket, with four main spacecraft. The mission entered the lunar orbit on November 28th, and its lander and ascent vehicle landed on the Moon December 1st, while its service module remained in lunar orbit. The lander gathered rocks and soil, and on Saturday, docked in orbit with the service module. Those samples will now be put in a return capsule for the trip home, expected to land in Inner Mongolia later in December.

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Tesla diversity report shows its US leadership is 59 percent white and 83 percent male

Posted: 05 Dec 2020 01:50 PM PST

Illustration by Alex Castro / The Verge

Tesla published its first-ever diversity report on Friday, which shows the automaker's US leadership is 83 percent male, and 59 percent white. The Diversity, Equity and Inclusion Impact report shows that men represent 79 percent of Tesla's workforce, and women 21 percent.

"While women are historically underrepresented in the tech and automotive industries, we recognize we have work to do in this area," the report states. "Increasing women's representation at all levels, especially in leadership, is a top priority in 2021."

The company also acknowledges in the report that Black employees are underrepresented— only 10 percent of the workforce and 4 percent of leadership at Tesla are Black or African-American. "We know that our numbers do...

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Japan’s asteroid sample return mission lands in Australian desert

Posted: 05 Dec 2020 12:37 PM PST

An artistic rendering of Hayabusa2's sample capsule landing on Earth | Image: JAXA

After spending six years in space, a Japanese spacecraft just landed in the desert of southern Australia, bringing a small cache of asteroid rocks to the surface of Earth. It's only the second time in history that materials from an asteroid have been returned to our planet. Eventually, scientists will open the spacecraft up, uncovering the precious rocks within to learn more about the asteroids that permeate our Solar System.

The landing is the culmination of Japan's Hayabusa2 mission, aimed at bringing samples of an asteroid back to Earth. After launching from Japan in 2014, the Hayabusa2 spacecraft spent four years journeying to an asteroid named Ryugu. The vehicle spent a year and a half hanging around the asteroid, mapping the rock's...

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Timnit Gebru’s actual paper may explain why Google ejected her

Posted: 05 Dec 2020 11:27 AM PST

Photo by Kimberly White / Getty Images for TechCrunch

A paper co-authored by former Google AI ethicist Timnit Gebru raised some potentially thorny questions for Google about whether AI language models may be too big, and whether tech companies are doing enough to reduce potential risks, according to MIT Technology Review. The paper also questioned the environmental costs and inherent biases in large language models.

Google's AI team created such a language model— BERT— in 2018, and it was so successful that the company incorporated BERT into its search engine. Search is a highly lucrative segment of Google's business; in the third quarter of this year alone, it brought in revenue of $26.3 billion. "This year, including this quarter, showed how valuable Google's founding product — search —...

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Leftovers you can’t eat: Black Friday deals you can still get

Posted: 05 Dec 2020 08:00 AM PST

Photo by Chris Welch / The Verge

This weekend, you can enjoy the last of the leftovers — not Thanksgiving leftovers. (There's still no end in sight for those at my house.) I'm talking about the deals left over from Black Friday and Cyber Monday. It's a relative drought compared to the number of sales we saw last weekend in the thick of it all, but you can still get some of this year's best prices on headphones, video games, and smart speakers.

Here are this week's best deals.


Headphones

The headphones with arguably the most effective noise cancellation tech and best sound quality for the price are the Sony WH-1000XM4. They were down to $278 during Black Friday, but their current $298 price is still a good buy if you missed that.

The price of the Samsung Galaxy Buds...

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Elon Musk reportedly plans to move to Texas

Posted: 05 Dec 2020 07:21 AM PST

Elon Musk Awarded With Axel Springer Award In Berlin
Photo by Britta Pedersen-Pool/Getty Images

Tesla and SpaceX CEO Elon Musk is planning to move from California to Texas, a move that would potentially save him from a huge personal income tax bill, CNBC reported.

Musk announced in July that Tesla was building its next US factory in Austin, where it will produce its Cybertruck, Model Y, Model 3, and Semi vehicles. The company received tens of millions of dollars in local property tax breaks to build the plant on 2,100 acres east of Austin's airport, over the objections of some local residents. The factory is expected to begin delivering its first vehicles in 2021. Musk's Boring Company already has operations in Austin, and SpaceX has a facility in Boca Chica, Texas.

Earlier this year, Musk tweeted that he was "selling almost all...

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Netflix’s Selena doesn’t have a lot of Selena

Posted: 05 Dec 2020 07:00 AM PST

Photo by Cesar Fuentes Cervantes / Netflix

There haven't been many musicians like Selena Quintanilla: she was a Tejano superstar who managed to find major label mainstream success as one of the music industry's first Latin artists to top the charts. Her dazzling career was cut tragically short when she was murdered by a fan in the spring of 1995, just before her 24th birthday. A 1997 film, Selena, which starred Jennifer Lopez in the titular role, solidified her legend — anointing her as a pop culture saint and a bridge between cultures.

The real Selena Quintanilla, however, was a complex person with an interior life beyond her star persona and her tragic death. She's a person whose life is worth diving deeper into, beyond the constraints of a two-hour Hollywood picture. In...

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Preparation for a big COVID-19 vaccine rollout is underway

Posted: 05 Dec 2020 07:00 AM PST

Training At The Covid-19 Vaccination Clinic In Coventry
Medical personnel train for vaccine distribution in the UK. | Photo by Steve Parsons - WPA Pool/Getty Images

In the US, COVID-19 vaccines are just around the corner, leaving the entire country peering out the window in anticipation of their arrival. Officials and healthcare systems, already taxed by skyrocketing case counts are making sure that everything is prepared when they show up. Here's a few things still on their vaccine to-do lists:

Save the dates: In the next few weeks, committees with the Food and Drug Administration will meet to decide whether or not to authorize vaccine candidates for Pfizer / BioNTech and Moderna. The Pfizer vaccine is up first, with a meeting scheduled for December 10th. Moderna's meeting will happen a week later, on December 17. The committee will meet to discuss the mountains of data from the clinical trials,...

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A cheap tablet is a great entertainment device

Posted: 05 Dec 2020 06:00 AM PST

Samsung's Galaxy Tab A7 is a good cheap tablet

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