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Author: engineering

Meet our engineers – Charlie Pastuszenski

What’s your name and where are you from? My name is Charlie and I come from the US and grew up in Massachusetts. Before moving to Stockholm, I lived and worked for Spotify in New York City. What do you do at Spotify? I am a machine learning engineer. I spend my time writing data pipelines to generate training data for the machine learning models that my team and I implement. I also work on building backend services that use…

Is Bitcoin a Viable Currency?

The recent rise in the value of Bitcoin has the captured the world’s attention with its recent meteoric price bubble. The value of Bitcoin has grown over 200% in 2017 alone. If you are considering jumping into the mania and purchasing a Bitcoin, here are five good reasons why you may want to sit on the sidelines a little longer. The Pro’s of Bitcoin Bitcoin does have some truly unique characteristics. One of the most attractive points is the fact…

Counting things, a lot of different things…

Back in April we announced Rate Limiting of requests for every Cloudflare customer. Being able to rate limit at the edge of the network has many advantages: it’s easier for customers to set up and operate, their origin servers are not bothered by excessive traffic or layer 7 attacks, the performance and memory cost of rate limiting is offloaded to the edge, and more. In a nutshell, rate limiting works like this: Customers can define one or more rate limit…

Combatting weeds with lasers

Tim Wigbels (left) and Dr. Julio Pastrana (right) with their weed recognition software which is detecting a plant and how the laser system is shooting and damage its foliage. Credit: Volker Lannert/Uni Bonn A robot automatically identifies weeds in a field and combats them with a short laser pulse. Sustainable agriculture, which avoids the use of herbicides as far as possible, could benefit from this smart idea. Dr. Julio Pastrana and Tim Wigbels from the Institute of Geodesy and Geoinformation…

Scientists recommend drones for pipeline monitoring

The use of aerial drones to monitor oil and gas pipelines could bring significant benefits to operators, according to research carried out by scientists at the University of Aberdeen. Pipeline networks require regular inspection and monitoring for maintenance, safety and security. Monitoring is traditionally carried out on foot or by helicopter, but scientists believe the use of drones would bring new efficiencies that would work especially well in remote or hard to reach areas. David R. Green and…

Oregon city approves permit for US’ first all-wood high-rise

This Nov. 15, 2016, file photo shows a piece of cross-laminated timber, or CLT , in Portland, Ore. City officials in Portland have approved a construction permit for the first all-wood high-rise building in the nation. The building uses the new technology called cross-laminated timber that tests have shown can withstand the worst earthquakes. Developers worked with scientists at Portland State University and Oregon State University to prove through testing that the materials meet all building and fire safety codes.…

Drivers bewildered by twisting Chinese interchange

Five suspended levels and cars going in all directions: a new highway interchange is driving motorists to tears, as they find themselves lost in a concrete maze resembling a plate of spaghetti. Five suspended levels and cars going in all directions: a new highway interchange is driving motorists to tears, as they find themselves lost in a concrete maze resembling a plate of spaghetti. After eight years of construction, the Huangjuewan interchange was completed last week on the outskirts of…

Impacts of Nanotechnology

What is nanotechnology? Nanotechnology is the study of manipulating matter on a molecular scale. In general this field deals with structures sized between 1 to 100 nanometers (nm) in at least one dimension. . In 1974 Tokyo science university professor Norio Taniguchi defined the term “nanotechnology” as follows; ‘Nano-technology’ mainly consists of the processing of, separation, consolidation, and deformation of materials by one atom or by one molecule.” Nanotechnology is not just a single technical approach. It is a scientific…

A Distributed Simulation Service – Netflix TechBlog – Medium

By Satyajit Thadeshwar, Mayank Agarwal, Sangeeta Narayanan & Kevin Lew Hundreds of models of smart TVs, game consoles, mobile devices, and other video streaming devices get shipped with a Netflix app pre-installed. Before shipping these devices, manufacturers need to have the app certified on their device firmware. Certification involves running a series of tests that validate the behavior of the Netflix app under different positive & negative scenarios, and this process is repeated each time a new model of a…

Novel innovation could allow bullets to disintegrate after designated distance, help prevent collateral damage

Credit: CC0 Public Domain Stray-bullet shootings are an often-overlooked consequence of gunfire that can cause severe injury or death to bystanders, or collateral damage victims in the military. A novel technology being developed at Purdue University could help prevent these incidents. A research group led by Ernesto Marinero, a professor of materials engineering and electrical and computer engineering has developed novel materials and fabrication that could allow a bullet to become non-lethal and disintegrate after a designated distance. The technology…