Enceladus heats up because its core is like a sponge

Water inside a flexible core is enough to keep the moon liquid for billions of years.

Enlarge (credit: NASA/JPL/Caltech)

On Earth, the heat that drives geology is partly leftover from the planet's formation and partly the result of radioactive decay. For the smaller bodies of our Solar System, neither of these should be big factors. Yet many of them are geologically active, thanks to heat generated by gravitational interactions. Uneven gravitational forces throughout a moon's orbit leads to internal flexing, generating enough heat to power geysers and volcanoes.

Or we think. In the case of Enceladus, Saturn's geyser-riddled moon, calculations suggest that the heat generated by orbital torques would only be enough to keep the moon's internal ocean liquid for about 30 million years. And, once its sub-surface ocean freezes, the moon's ability to flex goes down, which means less internal friction to warm it back up again. So why does Enceladus have an ocean at all, billions of years after it formed?

According to new research published in Nature Astronomy, that ocean survives because the core of the moon isn't a solid sphere of rock and metal; instead, it's a porous, loosely aggregated hunk of rock. Its sponge-like nature allows tidal heating to warm up its water to roughly 90°C.

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World of Warcraft: Bossland stellt Honorbuddy und andere Bots ein

Nach jahrelangen Rechtsstreitigkeiten hat sich Blizzard gegen das kleine Zwickauer Unternehmen Bossland GmbH durchgesetzt: Der Verkauf des Farming-Bots Honorbuddy für World of Warcraft ist eingestellt. Bosslang beklagt sich, dass Blizzard bei WoW-Spiel…

Nach jahrelangen Rechtsstreitigkeiten hat sich Blizzard gegen das kleine Zwickauer Unternehmen Bossland GmbH durchgesetzt: Der Verkauf des Farming-Bots Honorbuddy für World of Warcraft ist eingestellt. Bosslang beklagt sich, dass Blizzard bei WoW-Spielern den Rechner scannt. (WoW, Blizzard)

Star Wars: Mächtiger Zusatzinhalt für Battlefront 2 angekündigt

Ein kostenloses weiteres Kapitel für die Kampagne, Multiplayerkarten auf Basis des Kinofilms Die letzten Jedi und mehr: Electronic Arts will im Dezember 2017 erste Zusatzinhalte für Star Wars Battlefront 2 veröffentlichen. (Star Wars Battlefront 2, Ele…

Ein kostenloses weiteres Kapitel für die Kampagne, Multiplayerkarten auf Basis des Kinofilms Die letzten Jedi und mehr: Electronic Arts will im Dezember 2017 erste Zusatzinhalte für Star Wars Battlefront 2 veröffentlichen. (Star Wars Battlefront 2, Electronic Arts)

Kaum FTTH: Bauern mit Datenrate unzufrieden

Eine Umfrage des Deutschen Bauernverbands hat große Probleme bei den verfügbaren Datenübertragungsraten ergeben. Und: Die Landwirte wollen auch 5G-Mobilfunk auf den Höfen. (Glasfaser, Open Access)

Eine Umfrage des Deutschen Bauernverbands hat große Probleme bei den verfügbaren Datenübertragungsraten ergeben. Und: Die Landwirte wollen auch 5G-Mobilfunk auf den Höfen. (Glasfaser, Open Access)

Sleepbuds: Besser schlafen mit Meeresrauschen von Bose

Der Kabinenklang in einem Flugzeug, Meeresrauschen oder ein Wasserfall – statt Straßenlärm oder der schnarchende Partner: Mit diesen Geräuschen sollen Nutzer der Noise-Masking Sleepbuds besser schlafen. Hersteller Bose sammelt das Geld für die Entwickl…

Der Kabinenklang in einem Flugzeug, Meeresrauschen oder ein Wasserfall - statt Straßenlärm oder der schnarchende Partner: Mit diesen Geräuschen sollen Nutzer der Noise-Masking Sleepbuds besser schlafen. Hersteller Bose sammelt das Geld für die Entwicklung per Crowdfunding. (Kopfhörer, Audio/Video)

Digitalmedizin: Wenn das Pflaster die Wunde überwacht

Intelligentes Pflaster, Ultraschall “to go” aus dem Google Play Store und die 3D-Datenbrille im OP: Die Digitalisierung hat die Medizin erfasst. Der Arztberuf wird sich durch Apps, Clouds und Roboter verändern. (Medizin, Datenschutz)

Intelligentes Pflaster, Ultraschall "to go" aus dem Google Play Store und die 3D-Datenbrille im OP: Die Digitalisierung hat die Medizin erfasst. Der Arztberuf wird sich durch Apps, Clouds und Roboter verändern. (Medizin, Datenschutz)

Google: Netflix Searches Outweigh Those For Pirate Alternatives

With more options for legal media consumption available today than ever before, Google has revealed an interesting trend in piracy hotbed Brazil. According to the company’s analytics, interest in Netflix is on a continuing upward trend, with demand for the streaming service now greater than all other pirate alternatives combined.

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When large-scale access to online pirated content began to flourish at the turn of the decade, entertainment industry groups claimed that if left to run riot, it could mean the end of their businesses.

More than seventeen years later that doomsday scenario hasn’t come to pass, not because piracy has been defeated – far from it – but because the music, movie and related industries have come to the market with their own offers.

The music industry were the quickest to respond, with services like iTunes and later Spotify making serious progress against pirate alternatives. It took the video industry far longer to attack the market but today, with platforms such as Netflix and Amazon Video, they have a real chance at scooping up what might otherwise be pirate consumption.

While there’s still a long way to go, it’s interesting to hear the progress that’s being made not only in the West but also piracy hotspots further afield. This week, Brazil’s Exame reported on a new study published by Google.

Focused on movies, one of its key findings is that local consumer interest in Netflix is now greater than pirate alternatives including torrents, streaming, and apps. As illustrated in the image below, the tipping point took place early November 2016, when searches for Netflix overtook those for unauthorized platforms.

Netflix vs Pirates (via Exame)

While the stats above don’t necessarily point to a reduction in piracy of movies and TV shows in Brazil, they show that Netflix’s library and ease of use is rewarded by widespread awareness among those seeking such content locally.

“We’re not lowering piracy but this does show how relevant the [Netflix] brand is when it comes to offering content online,” Google Brazil’s market intelligence chief Sérgio Tejido told Exame.

For Debora Bona, a director specializing in media and entertainment at Google Brazil, the success of Netflix is comparable to the rise of Spotify. In part thanks to The Pirate Bay, Sweden had a serious piracy problem in the middle of the last decade but by providing a viable alternative, the streaming service has become part of the solution.

“The event is interesting,” Bona says. “Since the launch of streaming solutions such as Netflix and Spotify, they have become alternatives to piracy. Sweden had many problems with music piracy and the arrival of Spotify reversed this curve.”

Netflix launched in Brazil back in 2011, but Exame notes that the largest increase in searches for the platform took place between 2013 and 2016, demonstrating a boost of 284%. Even more evidence of Netflix’s popularity was revealed in recent surveys which indicate that 77% of surveyed Brazilians had watched Netflix, up from 71% in 2016.

Importantly, nine out of ten users in Brazil said they were “extremely satisfied” or “very satisfied” with the service, up from 79% in the previous year. An impressive 66% of subscribers said that they were “not at all likely to cancel”, a welcome statistics for a company pumping billions into making its own content and increasingly protecting it (1,2), in the face of persistent pirate competition.

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Twitter Sued Over Slow Response to DMCA Takedown Request

Photographer Kristen Pierson Reilly has filed a lawsuit against Twitter, claiming that the social network failed to promptly remove a copyright-infringing photo. In a complaint filed in a federal court in California, Pierson demands compensation for the damage she suffered, stating that Twitter took 90 days to remove the image.

Source: TF, for the latest info on copyright, file-sharing, torrent sites and more. We also have VPN discounts, offers and coupons

In common with many other user-generated content sites, Twitter is used by some of its members to host or link to copyright-infringing material.

If rightsholders submit a takedown request, Twitter swiftly takes the infringing content down. Over the past several months the company has processed thousands of requests and complied with most of them.

However, a new lawsuit filed in a California federal court suggests that Twitter’s takedown efforts aren’t perfect.

Rhode Island-based photographer Kristen Pierson filed a complaint against Twitter, accusing the company of hosting and linking to one of her works without permission.

The photo in question, taken at an Alice in Chains concert in 2006, was posted by Twitter user Karen Juanita. After Pierson found out she sent a DMCA takedown notice to Twitter on April 26 of this year.

Twitter promptly replied that it had “disabled access” to the photo, but this didn’t happen right away. While Twitter noted that it could take some time for the removal to propagate, it appears that something went wrong.

Twitter’s response

According to the complaint, it took 90 days before it was effectively taken down. It seems unlikely that Twitter intentionally waited three months, but Pierson is not looking for an excuse. Instead, she’s demanding damages from the social media outfit.

“Twitter had actual knowledge of the direct infringement and contributory infringement. Pierson provided notice to Twitter in compliance with the DMCA, and Twitter failed to expeditiously disable access to or remove the Copyrighted Photograph from their servers,” the complaint notes.

“Alternatively, Twitter directly infringed Pierson’s copyrights by continuing to allow public access to the Copyrighted Photograph on Twitter’s server or on servers controlled by Twitter.”

Theoretically, damages could go up to $150,000, should willful copyright infringement be proven. However, it’s more likely that both parties will settle their differences, or that the case will be dismissed for other reasons.

This isn’t the first time that Twitter has been sued for failing to promptly remove infringing content. Several photographers, including Pierson herself, have done so before. In most cases, these lawsuits are settled after a few weeks, behind closed doors.

A copy of the complaint is available here (pdf).

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Dream Chaser flight test update: The video is pretty awesome

“The Dream Chaser had a beautiful flight and landing!”

Wednesday update: This week Sierra Nevada provided some additional information about the successful drop test of its Dream Chaser spacecraft, which made an autonomous landing on Runway 22L at Edwards Air Force Base, in California, on Saturday. The company also released a video of the test, which is pretty spectacular.

Sierra Nevada and NASA, which has contracted with the company for cargo delivery to the International Space Station, are now reviewing data from the drop test, during which a Chinook helicopter released the spacecraft from an altitude of 12,324 feet. The landing recalled similar returns of the space shuttle, which like the Dream Chaser reentered Earth's atmosphere largely as a glider and rolled to a stop on a runway.

(video link)

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