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Archivo del Autor: Belen De Leon

2018 Chevrolet Camaro SS 1LE review: A track-ready pony car – Roadshow

The 1LE Performance Package gives the Camaro SS sports car poise.
Source: CNET

The Meg vs the Stath is a satisfyingly silly shark tale – CNET

Even a huge prehistoric monster might have bitten off more than it can chew when it faces the biggest beast of all: Jason Statham.
Source: CNET

How to watch the dazzling 2018 Perseid meteor shower – CNET

The biggest shooting-star show of the year is preparing to peak, and conditions will be near perfect for viewing.
Source: CNET

Save $670 on the HP 15t Touch laptop while you still can

Normally retailing at $1,240, the HP 15t Touch laptop is an absolute steal at just $570. If you’re looking for a decent entry-level laptop for work, school, or just streaming videos, this is the laptop deal for you.

The post Save $670 on the HP 15t Touch laptop while you still can appeared first on Digital Trends.


Source: Digital trends

Apple iPhone Memories feature points to a smart future for your photos – CNET

Commentary: Photos Memories is an impressive feature, but I want to see more ways Apple can help me navigate and organize my photos.
Source: CNET

As California burns, climate goals may go up in smoke — even after the flames are out

As crews across California battle more than a dozen wildfires — including the largest in state history — the blazes are spewing enough carbon into the air to undo some of the good done by the state’s climate policies.

What’s even worse: Climate-warming compounds that will be released by the charred forests long after the fires are extinguished may do more to warm up the planet than the immediate harm from smoky air.

Scientists say that only about 15 percent of a forest’s store of carbon is expelled during burns. The remainder is released slowly over the coming years and decades, as trees decay.That second hit of carbon, experts say, contains compounds that do more to accelerate climate change than those from the original fire. And future fires over previously burned ground could make climate prospects even more bleak.

“The worst possible situation is the fire that comes through and kills everything,” said Nic Enstice, regional science coordinator for the Sierra Nevada Conservancy. “Then, 10 or 15 years later, another fire comes through and releases all the carbon left in the trees on the ground. That’s really bad.”

It’s a scenario that could explode at any time. Enstice cited a research paper published this year that laid out a chilling tableau: California has more than a 120 million dead trees strewn around its mountain ranges, with the southern Sierra hardest hit.

When fires hit those downed trees, the state will begin to experience “mass fires” spewing plumes of carbon. The resulting conflagrations, according to the researcher, will be almost unimaginable.

“The emissions from those fires will be unlike anything we will have ever seen,” Enstice said. “And you won’t be able put it out.”

Computing the carbon released from the fires so far this year will not happen soon. The National Aeronautics and Space Administration flies planes through smoke plumes, gathering data, but air traffic over wildfires is tightly restricted. Scientific research is not a top priority when fires are threatening towns.

But some preliminary data is available now.

One method uses inventories of existing forests — surveying how many trees and which type. Those records are updated every 10 years. Researchers then overlay infrared images captured from satellites that show what’s burning and at what intensity. From that, predictions can be made about carbon emissions on any given day. Scientists say that emissions from burned forests are one of the most virulent types, called black carbon.

According to the most recent accounting from the state Air Resources Board, California’s annual black carbon discharge — excluding wildfires — are equal to emissions from about 8 million passenger vehicles driven for one year. Not a small number. But when the state calculates the same annual average of black carbon coming solely from wildfires, it’s the equivalent of nearly 19 million additional cars on the road.

With year-round fire seasons and fire intensity off the charts, state officials admit that wildfires could set back California’s myriad policies to offset the impacts of climate change. “It’s significant,” Enstice said. “We don’t have a lot of data to measure yet, we’re still using primitive tools. But everyone is gearing up to study this.”

This article is republished courtesy of CALMatters. 


Source: TechCrunch

Conozca al hombre con cuatro brazos: dos robóticos y dos naturales

Las extremidades mecánicas de Yamen Saraiji no las controla él sino otra persona en remoto gracias a la realidad virtual. Así es el primer prototipo de Fusión, que aspira a ampliar las capacidades físicas de  en situaciones como las cirugías complicadas e incluso en la exploración espacial
Source: MIT

Un simple análisis de los ojos descubre los vídeos falsos 'deepfake'

Las falsificaciones automáticas de vídeo creadas mediante IA no suelen pestañear, un fenómeno que las hace más fáciles de identificar para luchar contra casos de porno vengativo y bulos. Este puede ser el comienzo de una carrera armamentista entre detectives y falsificadores digitales
Source: MIT

NASA puts $44 million toward cryogenics and mid-air spacecraft retrieval

NASA has announced a set of public-private partnerships with several U.S. space companies, totaling an impressive $44 million. Blue Origin, Astrobotic Technology, United Launch Alliance and more are the recipients of up to $10 million each for a variety of projects aimed at exploring and utilizing space safely and efficiently.

The 10 awards are for “tipping point” technologies, as NASA calls them, that are highly promising but need funding for a ground or flight demonstration — in other words, to get it out of the lab.

ULA is the big winner here, taking home $13.9 million split between three projects — $10 million will go to looking into a cryogenic vehicle fluid management system that could simplify and improve lunar landers. The rest of the money is split between another cryogenic fluid project for missions with long durations, and a project to “demonstrate mid-air retrieval capabilities up to 8,000 pounds… on a vehicle returning to Earth from orbital velocity.” Really, that last one is the cheapest?

Blue Origin has $13 million coming its way, primarily for… yet another cryogenic fluid management system for lunar landers. You can see where NASA’s priorities are — putting boots on the regolith. The remainder goes to testing a suite of advanced sensors that could make lunar landings easier. The company will be testing both these systems on its New Shepard vehicle from as high as 100km.

The other big $10 million prize goes to Astrobotic Technology, which will, like Blue Origin, be working on a sensor suite for Terrain Relative Navigation. It’s basically adding intelligence to a craft’s landing apparatus so it can autonomously change its touchdown location, implement safety measures and so on, based on the actual local observed conditions.

The Mars 2020 Rover will be using its own TRN system, and the ones funded here will be different and presumably more advanced, but this gif from NASA does a good job illustrating the tech:

Several other endeavors were selected by NASA for funding, and you can find them — and more technical details for the ones mentioned above — at the partnership announcement page.


Source: TechCrunch

New York City Council votes to cap licenses for ride-hailing services like Uber and Lyft

The New York City Council has approved legislation that will halt the issuing of new licenses for ride-hailing services like Uber and Lyft.

The stated goal of the policy is to give the city time to study the industry’s impact. During that time, ride-hailing companies would only be able to add new vehicles if they’re wheelchair accessible. The legislation also allows the city to set a minimum wage for drivers.

There were drivers demonstrating in favor of the bill package outside City Hall today, and the Independent Drivers Guild (which says it represents more than 60,000 drivers for ride-hailing apps in New York City) praised the decision.

“We hope this is the start of a more fair industry not only here in New York City, but all over the world,” said IDG founder Jim Conigliaro, Jr. in a statement. “We cannot allow the so-called ‘gig economy’ companies to exploit loopholes in the law in order to strip workers of their rights and protections.”

Uber and Lyft, meanwhile, had asked their riders to oppose the legislation, saying that it would result in fewer drivers and less reliable service. They also suggested there were other ways to address the underlying issues, and in fact proposed creating a $100 million “hardship fund” for drivers as an alternative.

NYC drivers

Drivers demonstrating outside City Hall

In response to today’s news, Danielle Filson from Uber’s communications team provided the following statement:

The City’s 12-month pause on new vehicle licenses will threaten one of the few reliable transportation options while doing nothing to fix the subways or ease congestion. We take the Speaker at his word that the pause is not intended to reduce service for New Yorkers and we trust that he will hold the TLC accountable, ensuring that no New Yorker is left stranded. In the meantime, Uber will do whatever it takes to keep up with growing demand and we will not stop working with city and state leaders, including Speaker [Corey] Johnson, to pass real solutions like comprehensive congestion pricing.

The company plans to explore other strategies to keep up with demand. Those include recruiting drivers with licensed vehicles who aren’t currently working with Uber, or finding additional drivers who could drive licensed vehicles at times when they would otherwise be idle.

Lyft, meanwhile, sent this statement from its vice president of public policy Joseph Okpaku:

These sweeping cuts to transportation will bring New Yorkers back to an era of struggling to get a ride, particularly for communities of color and in the outer boroughs. We will never stop working to ensure New Yorkers have access to reliable and affordable transportation in every borough.

The New York Times reports that the cap will take effect as soon as Mayor Bill de Blasio signs the bill.

“Our city is directly confronting a crisis that is driving working New Yorkers into poverty and our streets into gridlock,” de Blasio tweeted. “The unchecked growth of app-based for-hire vehicle companies has demanded action – and now we have it.”


Source: TechCrunch

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