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Archivo del Autor: Belen De Leon

Why Solving a Rubik's Cube Does Not Signal Robot Supremacy

OpenAI demonstrated a robotic arm successfully completing the puzzle. It didn’t show the machine dropping the cube—or the 10,000 years of simulated training.
Source: Wired

Virgin Galactic spacesuits will let you 'savor' the ride – CNET

The space tourism company partnered with Under Armour to create the suits private astronauts will wear on Virgin Galactic flights.
Source: CNET

See the Virgin Galactic spacesuits private astronauts will wear on the ride – CNET

Virgin Galactic and Under Armour showed off suits designed for their wealthy customers to wear in space. This is some coveted fashion indeed.
Source: CNET

How to find the best Cyber Monday 2019 deals – CNET

First tip: Start with Black Friday, because most of the deals will be exactly the same.
Source: CNET

El mayor riesgo de los 'deepfakes' es que dudemos de todo lo que vemos

Las ultrafalsificaciones no solo pueden hacernos creer que algo falso es real. Varios expertos advierten que la tecnología podría convertirse en una arma para que los poderosos puedan negar cualquier prueba que demuestre su corrupción y sus abusos de poder, y piden más alfabetización mediática
Source: MIT

Probé todas las tecnologías contra el insomnio y solo una funcionó

Sufro problemas de sueño desde los 18 años, así que decidí ver si la tecnología podía ayudarme. Las compré todas: colchonetas y anillos de seguimiento, cintas para la cabeza con electrodos y hasta un robot para acurrucarme junto a él. La única que me sirvió fue una ‘app’ de terapia cognitiva conductual
Source: MIT

An App to Help Jet Lag, the World’s Oldest Tupperware, and More News

Catch up on the most important news from today in two minutes or less.
Source: Wired

Feast your eyes on the first interstellar comet ever directly observed

The solar system has another interstellar visitor, but there’s no question of this one being an alien spacecraft. It’s a true comet and the first we’ve ever confirmed that comes from interstellar space, and the Hubble Space Telescope captured some amazing imagery of it. Good thing, too — because it’s never coming back.

You probably remember ‘Oumuamua as the interstellar object that launched a thousand headlines — mostly around the idea that it could be an alien ship of some kind. Needless to say that hypothesis didn’t really pan out, but honestly the object was interesting enough without being an emissary from another world.

This new comet, called 2I/Borisov (not as catchy), was first identified in August by an amateur astronomer named Gennady Borisov, who lives in Crimea. Studies by other near-Earth object authorities observed its trajectory and concluded that it did indeed come from interstellar space.

How do they know? Well, for one thing, it’s going 110,000 miles per hour, or 177,000 kph. “It’s traveling so fast it almost doesn’t care that the Sun is there,” said UCLA’s David Jewitt, who leads the Hubble team watching 2I/Borisov. (Note that in the gif above, the streaks don’t indicate its speed — those are from the Earth spinning.)

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Basically the angle it’s coming in, plus the speed at which it’s traveling, mean it can’t possibly be in even a super-wide orbit of the Sun. It’s just passing through — and in early December will be less than 200 million miles from the Sun. It’s not on track to hit anything, fortunately, which would be a truly cosmic coincidence, so in a couple months it’ll be gone again.

But its short visit is ample opportunity to study its makeup, which appears to be very similar to our own “local” comets. Although it would be cool for 2I/Borisov to be super weird, its similarity is interesting in itself — it suggests that comet formation in other solar systems is not necessarily different.

trajectory

2I/Borisov is passing through the ecliptic at a pretty steep angle and traveling at great speed, more or less ruling out the idea that it’s orbiting the Sun.

It is, however, very different from ‘Oumuamua, which appeared to be an inert, oblong rock. Interesting in its own way, but comets are so dynamic: clouds of dust and ice surrounding a much smaller core. Very picturesque, even if the tails don’t always point the way you think they should.

Note that these interstellar visitors are actually thought to be quite common, with perhaps thousands in the solar system at any given moment. But few are big and bright enough to be detected and studied.

Hubble will continue observing 2I/Borisov through January and perhaps beyond. If it’s never going to return, we want to gather as much data as possible while we can.


Source: TechCrunch

NASA's New Space Suits Will Fit Men and Women Alike (for Once)

Seven months after a debacle in which the agency ran short on space suits for women, NASA is showing off a new, more flexible design.
Source: Wired

The FrankOne is a simple and portable coffee brewing gadget

The FrankOne coffee maker, fresh off a successful crowdfunding campaign, is now available for purchase, and I got a chance to test out one of the first run of these funky little gadgets. While it won’t replace my normal pourover or a larger coffee machine, it’s a clever, quick and portable way to make a cup.

Designer Eduardo Umaña pitched me the device a little more than a year ago, and I was taken by the possibility of vacuum brewing — and the fact that, amazingly, until now no one from Colombia had made a coffee maker (it’s named after Frank de Paula Santander, who kicked off the coffee trade there). But would the thing actually work?

In a word, yes. I’ve tested the FrankOne a few times in my home, and, while I have a couple reservations, it’s a coffee making device that I can see myself actually using in a number of circumstances.

PA150003

The device works quite simply. Ground coffee goes in the top, and then you pour in the hot (not boiling!) water and stir it a bit — 30-50 seconds later, depending on how you like it, you hit the button and a pump draws the liquid down through a mesh filter and into the carafe below. It’s quick and almost impossible to mess up.

The resulting coffee is good — a little bit light, I’d say, but you can adjust the body with the size of the grounds and the steeping time. I tend to find a small amount of sediment at the bottom, but less than you’d get in a cup of French press.

Because it’s battery powered (it should last for ~200 cups and is easily recharged) and totally waterproof, cleaning it is a snap, especially if you have a garbage disposal. Just dump it and rinse it, give it a quick wipe and it’s good to go. It gets a bit more fussy if you don’t have a disposal, but what doesn’t?

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I can see this being a nice way to quickly and simply make coffee while camping — I usually do a French press, but sometimes drip, and both have their qualities and limitations. The FrankOne would be for making a single cup when I don’t want to have to stand by the pourover cone or deal with disassembling the French press for cleaning.

It’s also, I am told by Umaña, great for cold brew. I didn’t have the heart to tell him that I don’t really like cold brew, but I know many do, and Umaña promises the FrankOne works wonders in a very short time — four minutes rather than an hour. I haven’t tested that, because cold brew tastes like bitter chocolate milk to me, but I sincerely doubt he would mention it as many times as he did if it didn’t do what he said.

There are, I feel, three downsides. First, you’re pretty much stuck with using the included glass carafe, because the device has to create a seal around the edge with its silicone ring. It didn’t fit in my biggest mug, but you might find an alternative should the carafe (which I have no complaints about — it’s attractive and sturdy) crack or get lost.

PA150017

Second, it doesn’t produce a lot of coffee. The top line as indicated in the reservoir is probably about 10-12 ounces — about the size of a “tall” at a coffee shop. Usually that’s a perfect amount for me, but it definitely means this is a single-serving device, not for making a pot to share.

And third, for the amount of coffee it produces, I feel like it uses a lot of grounds. Not a crazy amount, but maybe 1.5-2x what goes into my little Kalita dripper — which is admittedly pretty economical. But it’s just something to be aware of. Maybe I’m using too much, though.

I reviewed the Geesaa a little while back, and while it’s a cool device, it was really complex and takes up a lot of space. If I wanted to give it to a friend I’d have to make them download the app, teach them about what I’d learned worked best, share my “recipes” and so on. There was basically a whole social network attached to that thing.

This is much, much easier to use — and compact, to boot. It’s a good alternative to classic methods that doesn’t try to be more than a coffee maker. At $120 it’s a bit expensive, but hey, maybe you spend that on coffee in a month.

And by the way, you can use the discount code “TC” at checkout to get 10% off — this isn’t a paid post or anything, Umaña’s just a nice guy!


Source: TechCrunch

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