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Engineering News

So You Have Some Clusters, Now What? – Square Corner Blog – Medium

How to Add Value to Your Clusters Written by Fan Zhang, Inna Kaler Problem One of the most common ways to apply unsupervised learning to a dataset is clustering, specifically centroid-based clustering. Clustering takes a mass of observations and separates them into distinct groups based on similarities. Figure 1: Taking a 2 dimensional dataset and separating it into 3 distinct clusters For those who’ve written a clustering algorithm before, the concept of K-means and finding the optimal number of clusters…

Qualcomm vs. Intel CPU comparison

One of the nicer perks I have here at Cloudflare is access to the latest hardware, long before it even reaches the market. Until recently I mostly played with Intel hardware. For example Intel supplied us with an engineering sample of their Skylake based Purley platform back in August 2016, to give us time to evaluate it and optimize our software. As a former Intel Architect, who did a lot of work on Skylake (as well as Sandy Bridge, Ivy…

Research could ‘untangle’ vexing problem in computer-simulation technology

Untangling quadrilateral meshes using locally injective mappings. Credit: Krishnan Suresh The computer simulations used to design, optimize, test or control a vast range of objects and products in our daily lives are underpinned by finite element methods. Finite element simulations use a mesh of geometric shapes—triangles, tetrahedra, quadrilaterals or hexahedra, for instance. These shapes can be combined to form a mesh that approximates the geometry of a model. For example, meshes can be used to model the human knee in…

Adding card on file details with Python – Square Corner Blog – Medium

Attaching a customer’s card on file to their Square profile is an important part of setting up recurring payments. Here’s how to do it with Python. In this post we’ll be using the CustomerCard endpoints to add a card on file to a customer that you could then use for subscription billing online or in-person. But remember, you should not link a card on file to a customer without the customer’s express permission. For example, you can include a checkbox in…

Fully integrated circuits printed directly onto fabric

Sample circuit printed on fabric. Credit: Felice Torrisi Researchers have successfully incorporated washable, stretchable and breathable electronic circuits into fabric, opening up new possibilities for smart textiles and wearable electronics. The circuits were made with cheap, safe and environmentally friendly inks, and printed using conventional inkjet printing techniques. The researchers, from the University of Cambridge, working with colleagues in Italy and China, have demonstrated how graphene – a two-dimensional form of carbon – can be directly printed onto fabric to…

Convert Website Traffic into Leads with these 5 Tips

Digital marketing is one of the best ways to advertise and market your company in today’s world. With the growing popularity of the internet and then using it as a platform to showcase your company, digital marketers are finding it easy to create a presence on the internet. But at the same time due to the constant use of the internet as a channel for promoting a company, it is growing increasingly difficult to create a lot of hype for…

Software vastly improves the ability of ships to reroute through unpredictable weather

The Navy is using new software developed by UConn engineering professor Krishna Pattipati to vastly improve the ability to route ships through unpredictable situations. Credit: University of Connecticut Major research discoveries generate news headlines. But a research undertaking by one University of Connecticut engineering lab seeks to forestall some headlines of a different kind. The loss of life because of weather events, as happened on Oct. 1, 2015 when cargo ship El Faro sank with its 33-member crew in Hurricane…

Touch-sensitive avatar-robotic arm based on real-time haptics

Touch sensitive avatar-robotic arm based on real-time haptics developed by Takahiro Nozaki and colleagues at the Keio University Haptics Research Center. Credit: Keio University Researchers at Keio University’s Haptics Research Center have developed a ‘real-time-avatar-robotic arm’ that transmits sound, vision, and highly sensitive feelings of touch to remotely located users. This innovative touch sensitive robotic technology was reported in the October 2017 issue of IEEE Transactions on Industrial Electronics and demonstrated at CEATEC (October 2017, Tokyo). The technology is expected…