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Archivo del Autor: Belen De Leon

CMU’s robotic arm attaches to a backpack to lend a helping hand

Carnegie Mellon’s Biorobotics Lab is probably best known as the birthplace of the modular snake robot. Initially designed to squeeze into tight spots for search and rescue missions and infrastructure inspections, the lab’s snake robot has given rise to an army of different projects, and at least one Pittsburgh-area startup.

Several years ago, the robot became modular, allowing engineers to mix and match pieces and replace malfunctioning segments. From those modules, the team of CMU students have built a wide range of different projects, including a spider-like hexapod robot, whose six limbs are constructed from robotic segments. We also spent time with Hebi, whose modular robotic actuators commercialized versions of the lab’s research.

When we returned to the lab two years later, the researchers had an entirely new project to show us. “Students in this group are very self-directed, we come up with our own projects,” CMU doctoral student Julian Whitman explained. “We’re often inspired by the ability of our hardware to reconfigure into any kind of shapes. Sometimes people will look at a pile of modules. So they’ll build that and very quickly program it to do some kind of interesting behavior, and sometimes that’ll spur an entirely new research direction.”

Whitman’s project fashions the modules into a wearable extra limb. The system, he’s quick to point out, isn’t an exoskeleton. Instead, it’s a robotic arm mounted to a backpack-style support structure. The idea behind the project is to allow wearers to complete jobs that are a bit too complex for just two hands.

“One somewhat common task in automotive assembly or airplane assembly is to hold something up over your head and fix it to the ceiling,” Whitman explained, before demoing the action at a nearby workstation. “So if you’re putting a part on the bottom of a car or on the roof of an airplane, oftentimes in industry, they have to have two people working on this job, one guy is just holding the part up in place, the other one’s fixing it.”

The project currently supports one limb, controlled using a game pad. Whitman explained it’s possible to add as many limbs “as a person can carry,” for a more Dr. Octopus-style approach. But the biggest limitation is how many a wearer can control at a given time.

“Right now I’m controlling it with a button or with voice commands, so you now have two sets of buttons and two sets of voice commands,” Whitman said. “At some point, it becomes harder for the user to control it and becomes less useful, the more arms you add. But in the future we’re hoping to have these arms be more autonomous that have their own perception, their own decision-making processes.”


Source: TechCrunch

On balance, the cloud has been a huge boon to startups

Today’s startups have a distinct advantage when it comes to launching a company because of the public cloud. You don’t have to build infrastructure or worry about what happens when you scale too quickly. The cloud vendors take care of all that for you.

But last month when Pinterest announced its IPO, the company’s cloud spend raised eyebrows. You see, the company is spending $750 million a year on cloud services, more specifically for AWS. When your business is primarily focused on photos and video, and needs to scale at a regular basis, that bill is going to be high.

That price tag prompted Erica Joy, a Microsoft engineer, to publish this tweet and start a little internal debate here at TechCrunch. Startups, after all, have a dog in this fight, and it’s worth exploring if the cloud is helping feed the startup ecosystem, or sending your bills soaring, as they have with Pinterest.

For starters, it’s worth pointing out that Ms. Joy works for Microsoft, which just happens to be a primary competitor of Amazon’s in the cloud business. Regardless of her personal feelings on the matter, I’m sure Microsoft would be more than happy to take over that $750 million bill from Amazon. It’s a nice chunk of business; but all that aside, do startups benefit from having access to cloud vendors?


Source: TechCrunch

Pet Sematary 2019 remake deliciously digs up Stephen King shocks – CNET

Review: Dread and old-school shocks fill this new version of the horror best-seller.
Source: CNET

Second Suicide Squad film isn't a sequel, title is nice and simple – CNET

The new movie, with James Gunn directing, is called The Suicide Squad, and some actors will return.
Source: CNET

My mad Marvel race to watch every MCU movie before Avengers: Endgame – CNET

Update: I just finished Captain America: Winter Soldier. My favorite so far is The Avengers. Nine down, 12 to go, and the clock is ticking.
Source: CNET

Apple Music cuts prices in India

This morning, The WSJ reported Apple’s streaming music service overtook Spotify in paid subscribers in the U.S., and now it hopes to do the same in the Indian market by way of a big price cut. The company’s individual plan in India is now 99 rupees per month ($1.43 USD), versus the 120 rupees per month ($1.73 USD) it was previously.

In addition, the price for the Apple Music student plan dropped from 60 rupees per month to 49 rupees; and the Family Plan is now 149 rupees per month versus the 190 rupees per month it was before the price cuts.

The news was first reported by The Indian Express and was shared across social media.

The new, lower prices are available to both existing subscribers and new customers, it appears.

India is a crucial market for streaming services, and one that’s a more recent battleground for major U.S. tech companies in addition to Spotify.

In March, YouTube Music and its paid subscription service, YouTube Premium, launched in India, following Amazon and Google which already operate their music services in the region. This year, Spotify also entered India amid a complicated licensing dispute with Warner Music, which impacted the number of tracks available.

But these companies aren’t just duking it out with one another for domination.

India today has a rich music scene which includes local players like Gaana, JioSaavn (created via the JioMusic and Saavn merger), Wynk, and others.

And recently, JioSaavn and Gaana both slashed their annual subscription prices by 70 percent. Those cuts were focused on locking down customers for a year – keeping them away from YouTube, Spotify and Apple, as a result. The recently discounts saw JioSaavn’s premium tier drop to Rs 299 per year – 70 percent down from Rs 999. Meanwhile,Gaana Plus was discounted to Rs 298 per year instead of Rs 1098, as before.

Apple doesn’t disclose its Apple Music subscriber count in India, but it has 56 million subscribers on a global basis.

The service has been customized for the Indian market with playlists that feature local music, including those popular in regional languages like Malayalam and Tamil, The Indian Express noted. It also has 14 localized radio stations and deals with leading Indian labels like Saregama, T series, Zee Music, YRF, Universal, and Sony.


Source: TechCrunch

AutoComplete: Volvo issues a recall for XC60 and S90 seat hardware video – Roadshow

Plus, Mercedes debuts the CLA35 and VW is giving the I.D. R a Spanish holiday.
Source: CNET

Falcon Heavy’s first real launch on Sunday is the dawn of a new heavy-lift era in space

The Falcon Heavy has flown before, but now it’s got a payload that matters and competitors nipping at its heels. It’s the first of a new generation of launch vehicles that can take huge payloads to space cheaply and frequently, opening up a new frontier in the space race. Watch it lift off Sunday afternoon (we’ll post a reminder).

On the 7th, Falcon Heavy will fly for the first time since its inaugural test last February, delivering the now-infamous Tesla Roadster and “Starman” into a trajectory that has taken them past Mars. That successful launch garnered SpaceX its first customer for the system, and Sunday’s launch will take Arabsat-6A, a Lockheed-built communications satellite, into geosynchronous orbit.

A static fire today went well, so weather permitting takeoff should Notably, SpaceX CEO Elon Musk pointed out on Twitter that the Block 5 Falcon Heavy (that is to say, the production revision as opposed to the test version we saw) has 10 percent more thrust capacity than before, which also translates to a better safety margin if using less than its maximum.

So why exactly is Falcon Heavy important? After all, launch vehicles capable of putting a hundred a hundred tons of material into or beyond orbit have existed since Apollo. Simply speaking, the difference comes down to price.

Putting anything into space is difficult enough. But heavier payloads get exponentially more difficult to lift: The equations we’ve known for a century or so governing how much lift is needed to get a certain amount of mass into orbit, and how much fuel is needed in turn to generate that lift, are clear on this.

As advances in materials and rocket engines have progressed, they have disproportionately benefited small and medium launch vehicles. Combined with the decreasing size of satellite payloads, this has created a new and promising era for small craft, which can be launched in great numbers — as we’re seeing in the many promises to deploy constellations thousands strong.

Efficiently made disposables like Rocket Lab’s Electron and reusable ones like the Falcon 9 have begun the process of pushing the price of small and medium-size launches down to a fraction of what they once were.

But heavy and super-heavy launch vehicles have remained phenomenally expensive due to the fundamentally difficult nature of building these physics-defying monsters. So while putting 10 tons in orbit has gotten cheap enough that startups can do it, putting 100 tons up there remains the province of global superpowers.

Falcon Heavy is really the first to start a similar price shift for this category, cutting the cost of putting large payloads up by a huge amount. And while an estimated price tag of around $100 million per launch is hardly pocket change, it’s a whole lot less than the $350-$500 million a Delta IV might cost.

That level of savings can transform an entire space program. NASA could add an entire planetary exploration mission to its budget for the price difference of one launch alone. This math may not always add up (the Delta IV’s excellent launch record rightly commands a premium) but it’s impossible to ignore.

A Delta IV takes off in 2016.

The market for heavy launches is, like that for small ones, heavily supply-limited. Governments and major corporations are lined up for years to put major items into or beyond orbit. SpaceX will sell room on Falcon Heavy systems as fast as it can make them. And because its side stages are reusable, it can make them faster than others can make theirs! It stands to make a huge amount of money while also massively empowering the global space community.

Falcon Heavy has little competition at payloads above the 50-ton threshold, but below that the field is getting crowded. ULA, Ariane Group, Russia and China, even upstart rival Blue Origin are preparing cheaper next-generation platforms to take part in the new ecosystem. (A comprehensive accounting of this new phase of launch vehicles is a worthwhile endeavor, but one for another time.)

For now, though, Falcon Heavy is an anomaly, but a welcome one. Lowering the cost and complexity of more distant and ambitious space projects is an exciting prospect, and Sunday’s launch is one of the first indications that we are witnessing that change take place.


Source: TechCrunch

Google Needs to Grow Its Cloud Business—Very Carefully

Google trails Amazon and Microsoft in selling cloud services to other companies, but its efforts to catch up may be hindered by its own ethics policies.
Source: Wired

Tinder-style 'Reigns' in Game of Thrones game for Nintendo Switch – CNET

Strategize and swipe right to rule Westeros in Reigns: Game of Thrones​.
Source: CNET

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