Pull to refresh

All streams

Show first
Rating limit
Level of difficulty

Pozvonoq Startup to Launch Mass Production of 3D Printed Intervertebral Cages in 2022

Reading time2 min
Views504

The use of 3D printing in medicine has long ceased to be limited to materials such as PEEK (more on PEEK 3D printing here). The Pozvonoq startup of the North-West Technology Transfer Center and the Russian manufacturing company Ortoinvest has begun laboratory tests of ten lines of intervertebral cages designed to stabilize the spinal column. The successful conduct of technical expertise and the receipt of a single registration certificate will allow the serial production of medical devices as early as 2022.

Read more

Reverse DevOps, an invitation to project «Bell»

Reading time3 min
Views986

Typical DevOps handles code deploys in a single direction: from Dev to PROD, from lower environments to higher environments, and for this there are many well known solutions like Jenkins, Terraform, Octopus. But in the opposite direction the situation is not so good.

Yes, in many companies there are home-grown processes to copy databases from higher environments to the lower ones (with hiding/removing sensitive data) to reproduce problems, found on PROD. However, in complex scenarios an access to PROD is needed to find the root cause. Developers need at least logs. And in the Enterprise world it's all depend on the level of paranoya how sensitie the information is.

Thi is what we suggest, the project is to create a safe access method to the higher environments, combining easy friendly interface and interactivity with the full audit of all operations and controlled manner of what users can do and what they can't. The project is called Bell -Action at a distance, and a bearded guy on the logo is John Steward Bell, you know him if you had ever heard about the Quantum Entanglement.

Read more

Kernel Queue: The Complete Guide On The Most Essential Technology For High-Performance I/O

Reading time65 min
Views21K

When talking about high-performance software we probably think of server software (such as nginx) which processes millions requests from thousands clients in parallel. Surely, what makes server software work so fast is high-end CPU running with huge amount of memory and a very fast network link. But even then, the software must utilize these hardware resources at maximum efficiency level, otherwise it will end up wasting the most of the valuable CPU power for unnecessary kernel-user context switching or while waiting for slow I/O operations to complete.

Thankfully, the Operating Systems have a solution to this problem, and it's called kernel event queue. Server software and OS kernel use this mechanism together to achieve minimum latency and maximum scalability (when serving a very large number of clients in parallel). In this article we are going to talk about FreeBSD, macOS and kqueue, Linux and epoll, Windows and I/O Completion Ports. They all have their similarities and differences which we're going to discuss here. The goal of this article is for you to understand the whole mechanism behind kernel queues and to understand how to work with each API.

Read more

Russian Industrial Week 2021: New Solutions for Technological and Engineering Problems of Industries

Reading time5 min
Views445

From 18 to 21 October, the Moscow Expocentre Fairgrounds hosted the second Russian Industrial Week, a large-scale industry event that united significant components of the Russian economy: mechanical engineering and metalworking, 3D printing technologies and consumables, 3D scanning, welding production, non-destructive testing and technical diagnostics, technologies and services for the production of advertising.

Read more

Will Josef Prusa Release a Delta Printer under His Own Brand?

Reading time4 min
Views1.2K

Prusa Research with Josef Prusa in charge bought 80% of shares of Czech manufacturer Trilab, as well as got full control over the company. Trilab is known for its delta 3D printers. Does this merging mean that there will be a delta-kinematics 3D printer under the Original Prusa brand?

Read more

How Accurate is the CALIBRY MINI?

Reading time3 min
Views479

This article will cover how the accuracy tests of the Calibry Mini were conducted. 

The Calibry Mini by Thor3D is stated to feature an accuracy of up to 0.07 mm (0.0027 inch). What exactly does this mean? This means that under the normal conditions, the deviation in measurements of any single point can be 70 microns in any direction. This doesn’t mean that the deviation will always be 70 microns. It can be smaller, it can be bigger. The number is approximate and can vary depending on several factors that will be mentioned in the article.

Read more

Robots in Medicine: Applications and Possibilities

Reading time7 min
Views812

We continue to cover the world of robotics. In this article we will talk about how automated robotic systems that used to work only at the factories and plants, became utilized in medicine with further improvements. We will provide the real-world examples of such applications, as well as talk about equipment and the prospects of doctors and robots working together. 

Read more

Thor3D’s New Handheld 3D Scanner: Calibry Mini – Technical specifications

Reading time3 min
Views498

Russian 3D scanner manufacturer Thor3D launches its new device: the Calibry Mini

Made for scanning smalled objects, this affordable and lightweight solution, designed to be easy to use, can be a good choice for education and medical fields, as well as arts and museums. 

Anna Zevelyov, CEO of Thor3D, mentions that the device will grant the doctors the ability to scan any part of the body and even perform full-body scans. Museums will now be able to capture various collections with art objects of different sizes. She adds that their engineers conducted multiple tests before release that showed impressive results.

According to her, the device will be a great addition to the company’s portfolio, making their Calibry product line even more versatile and compelling. 

Read more

The Archeologists Recreated a 2,000 Year Old Pin with the Help of 3D Printing and Scanning

Reading time2 min
Views454

The jewelry restoration was done with the help of both computer technologies and traditional methods. Wax, clay and bronze were used.

The archeologists restored a jewelry object made in the Iron Age. It was done with the help of digital technologies.

Restoration included scanning of the clay molds that were used for casting bronze in the 1st and 2nd centuries B.C. Original molds found in Cairns, at South Ronaldsay island of Orkney islands, Scotland, were too fragile to use for jewelry. 

Ben Price, a PhD student at the University of the Highlands and Islands, department of Archeology. Around 80 fragments of clay molds were found during the recent excavations of a broch dating back to the Iron Age in Cairns. 

Read more