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Optical Telegraph, Microwave Network, and Tesla Tower: Unusual Communication Towers

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We are all accustomed to communication towers and masts looking dull or unappealing. Fortunately, there have been, and still are, interesting and unusual examples of these primarily utilitarian structures throughout history. We’ve compiled a small selection of communication towers that we find particularly noteworthy. Stockholm Tower Let's start with the 'trump card' — the most unusual and oldest structure in […]

Cerebras — an AI processor of incredible size and capabilities

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The announcement of the Cerebras processor — the Cerebras Wafer Scale Engine (WSE) or Cerebras silicon wafer scale engine — took place during the annual Hot Chips 31 conference. Looking at this silicon monster, it's not even the fact that they managed to produce it in reality that amazes. It’s the boldness of the concept and the effort of the developers who dared to design a chip with an area of 46,225 square millimeters with sides […]

15 vulnerabilities found in USB drivers from the Linux kernel

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Andrei Konovalov from Google discovered 15 vulnerabilities in USB drivers provided in the Linux kernel. This is the second batch of issues found during fuzz testing — in 2017, this researcher discovered another 14 vulnerabilities in the USB stack. These issues could potentially be exploited when connecting specially crafted USB devices to a computer. An attack is possible with physical access to the hardware and […]

Alcohol and Mathematics

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This is a complex, controversial, and painful topic. But I want to try to discuss it. I can't share anything great and brilliant about myself, so I will refer to the quite sincere (amidst a lot of hypocrisy and moralizing on this issue) speech of mathematician, Doctor of Sciences, Alexey Savvateev. (The video itself is at the end of the post.) 36 years of my life have been closely associated with alcohol. […]

End-stage alcoholism

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Moderator's comment. This article was in the Sandbox and was rejected during pre-moderation. However, an important and complex question was raised in the article today. This post reveals signs of personality disintegration and may be useful to those who, as the author of the mentioned article put it, are a meter from the waterfall. Therefore, it was decided to publish it. Hello, dear readers! I am writing to you in a state of […]

BIZERBA VS MES. Where should manufacturers invest?

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1. The cost of a labeling machine for weight products is comparable to the cost of implementing an MES system project. For simplicity, let’s assume that both cost 7 million rubles. 2. The payback period for labeling lines is fairly easy to calculate, making it clear who bears the costs: A team of 4 labelers labels approximately 5 tons per shift; with an automated line, supported by 3 […]

Futhark v0.12.1

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Futhark is a programming language that supports parallelism and belongs to the ML family. Added: The internal representation of parallel constructs has been revised and optimized. With few exceptions, this may significantly impact performance. There is now support for structurally typed sum types and pattern matching. However, there are still some issues with sum-type arrays that contain arrays themselves. Compilation time has been significantly reduced […]

Remote DoS vulnerability in the FreeBSD IPv6 stack

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A vulnerability (CVE-2019-5611) has been fixed in FreeBSD that allows the kernel to crash (packet-of-death) via specially fragmented ICMPv6 MLD (Multicast Listener Discovery) packets. The problem is caused by a lack of necessary checking in the m_pulldown() call, which can lead to the return of non-continuous mbuf chains, contrary to the caller's expectations. The vulnerability has been fixed in updates 12.0-RELEASE-p10, 11.3-RELEASE-p3, and 11.2-RELEASE-p14. As a workaround to protect, you can […]

Notqmail is presented, a fork of the qmail mail server.

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The first release of the notqmail project has been introduced, marking the development of a fork of the qmail mail server. Qmail was created by Daniel J. Bernstein in 1995 to provide a more secure and faster alternative to sendmail. The last release of qmail 1.03 was published in 1998, and since then, there have been no official updates, but the server remains an example […]

IBM has announced the opening of the Power processor architecture.

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IBM has announced the transition of the Power instruction set architecture (ISA) to an open standard. In 2013, IBM already established the OpenPOWER consortium, which granted the ability to license intellectual property related to POWER and provided complete access to the specifications. However, licensing fees for chip manufacturing continued to be collected. From now on, the creation of custom chip modifications […]

A public beta of the Microsoft Edge browser based on Chromium has become available

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In 2020, rumors suggested that Microsoft would replace the classic Edge browser that comes with Windows 10 with a new one based on Chromium. Now, the software giant is one step closer to this: Microsoft has released a public beta version of its new Edge browser. It is available for all supported platforms: Windows 7, Windows 8.1, and Windows 10, as well as for […]

How to Find Programming Courses and What Job Placement Guarantees Cost

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Three years ago, I published my first and only article on habr.ru, which was dedicated to writing a small application using Angular 2. At that time, it was in beta, there were few tutorials available, and I found it interesting in terms of entry time compared to other frameworks/libraries from a non-programmer's perspective. In that article, I mentioned that […]

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