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RotBot: 3D printing with 90 degree overhang without support material

Two researchers from the Zurich University of Applied Sciences (ZHAW) have developed a 3D printing process that overhangs of 90 ° without Support material allows. The technology called “RotBot” works by means of an additional axis for the print head and also requires a new calculation of the print data. Existing printers could be upgraded… Read more

Copy protection, head, table $ @% &!

Lockdown, winter, Friday evening … How about a “show today” to get other thoughts? So I start my new Macbook, go to the media library and, in anticipation, plug in the HDMI cable from the home theater (with the HDMI-to-USB-C adapter I bought as a precaution!) While the familiar opening melody plays badummbummbumm *. But… Read more

Speech analysis model predicts critical virus mutations

Viruses like the flu and HIV viruses mutate so often that it is difficult to develop vaccines against them. The genetic changes often allow the germs to evade the antibodies of the immune defense through altered surface proteins without losing their infectivity. Researchers at the Massachusetts Institute of Technology (MIT) have now developed a new… Read more

heise + | Seven SSDs with PCIe 3.0 and 4.0 in the test

Seven SSDs with PCIe 3.0 and 4.0 in the test Flash memory SSD controller Similarities Measurement results One-to-one meetings Conclusion Test table Article in c’t 3 / 2021 read At the beginning of the PCIe 4.0 era there were SSDs with Phison controllers and Toshiba Flash: They achieved a good 5 GB / s for… Read more

Water march: the dearly bought progress through dams

The red carpet is laid out, a brass band is playing: Egypt’s President Anwar al-Sadat and the Soviet head of state Nikolai Podgorny march solemnly in January 1971 over the dam in Aswan. Deep down, water from the Nile gushes through twelve turbines in the newly built power plant. The economic benefit is enormous: for… Read more

Star Trek Discovery: Pointless in Space

The thirteen episodes of the third season of Star Trek Discovery have been completely available on Netflix since January. Even in its current season, the series can shine with outstanding actors, has breathtaking special effects and benefits from competent directors. Unfortunately, all of this is wasted effort without good scripts – and with good scripts… Read more

More than 500 brown dwarfs: 3D map of the neighborhood of our sun

With the help of thousands of volunteers, a team of astronomers has created the most comprehensive 3D map of so-called brown dwarfs in the vicinity of the sun to date. You have now presented the map with 525 celestial bodies, including 38 newly discovered objects. According to the research results, the closer environment of our… Read more

20 years of Wikipedia: Interview with encyclopedia co-founder Jimmy Wales

Jimmy Wales is the face of Wikipedia. He co-founded the online encyclopedia 2001, headed up to 2006 the Wikimedia Foundation, the foundation behind Wikipedia, and has a seat on the foundation’s board of trustees to this day. c’t he answered questions about the origins of the platform, his role in the project and the future… Read more

Facebook is suing Portuguese developers for stolen user data

Facebook has filed a lawsuit in Portugal against two developers based there who are said to have stolen user data from Facebook users. This violates Portuguese data protection regulations and Facebook’s usage guidelines. The developers are said to have used self-programmed browser extensions offered by the company “Oink and Stuff”. These extensions are intended to… Read more

File sharing: US provider has to pay the music industry $ 1 billion

The US Internet provider Cox Communications has to pay one billion US dollars (currently 150 million euros) to 57 record companies and music publishers. Customers of the ISP have in the years 2013 and 2014 10. 017 Pieces of music copied via file sharing networks. Because Cox has not cut off these customers from the… Read more

Digital tax: US government threatens 6 countries with consequences

The US has warned six countries about penalty taxes and tariffs. Because Austria, Great Britain, India, Italy and Turkey have introduced “digital taxes” that have to be borne by companies and consumers who do business with foreign companies and especially US corporations. These digital taxes usually act like an inch. In Spain such a tax… Read more

Pandemic delays DisplayPort 2.0

The products with DisplayPort 2.0 originally planned for the end of last year are delayed. Monitors are being developed, but could not be widely tested as usual due to the coronavirus pandemic. The first DisplayPort 2.0-compliant products should come on the market this year. Die Video Electronics Standards Association (VESA) has already specified the DisplayPort… Read more

20 years of Wikipedia: bulwark against fake news

From today’s perspective, Wikipedia always seems to have belonged to the Internet. It goes without saying, especially for younger people, to get all possible information about Goethe, hypotenuses and the Basic Law for homework there. And yet – Wikipedia is actually a late development of the first dotcom boom. The concept of the “wiki” was… Read more

Internet of Things: HiveMQ 4.5 rewrites Kafka

The German company HiveMQ has released version 4.5 of the MQTT broker of the same name. A major focus for the release is on performance optimization. On the technical side, a Kafka-to-MQTT transformer and the expandable REST API are worth mentioning. The current version is an LTS release that will receive guaranteed support until January… Read more

Patchday: Adobe is almost always targeting critical security vulnerabilities

On the first patch day of this year, Adobe closed critical security gaps in Animate, Bridge Campaign Classic, Illustrator, InCopy and Photoshop. A gap with “Important” classification in Captivate has also been eliminated. Product updates are available for the Windows, macOS and Linux platforms alike. Adobe recommends that users import them promptly in view of… Read more