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Category: Electronics Engineering

Optimizing WebGL Shaders by Reading D3D Shader Assembly

We are optimizing WebGL shaders for the Intel GMA 950 chipset, which is basically the slowest WebGL-capable device we care about. Unfortunately, it’s a fairly common chipset too. On the plus side, if we run well on the GMA 950, we should basically run well anywhere. 🙂 When you’re writing GLSL in WebGL on Windows, your code is three layers of abstraction away from what actually runs on the GPU. First, ANGLE translates your GLSL into HLSL. Then, D3DX compiles…

How IMVU Builds Web Services : Part 2

In this 3-part series, IMVU senior engineer Bill Welden describes the means and technology behind IMVU’s web services. Part 2: Nodes and Edges The Uniform Contract constraint of the REST discipline means that IMVU web applications are able to provide functionality to many different web applications in a robust and reusable manner. There are, of course, many different ways of implementing a uniform contract. At IMVU, we have chosen a structured network model – a graph consisting of nodes, which represent…

Reader Mailbag: ECT vs Burst, where is the data?

Reader Mailbag: Chainalytics Packaging Engineers Answer Your Questions! Dan writes: We came across your previous blog article and hoped that you might be able to help us out with a data question. Our product is shipped in a double-wall, corrugated box for the secondary protective packaging. We’ve seen a hundred versions of the following table comparing the bursting test and edge crush test standards: We’re familiar with the two types of testing, and we’re sure that the table is accurate. What we…

Moving Code Forward – Yammer Engineering – Medium

Everybody loves a good rewrite. It feels great to throw away a crusty, years-old codebase and replace it with something shiny and new. Rewrites come with some serious tradeoffs though, and in a lot of cases, the decision to start again from scratch is not the right call at all. In the seven-year history of yammer.com’s Frontend codebase, we’ve never thrown the whole thing away and started over. Why? Well, let’s take a quick look at the characteristics of Yammer’s…

Everything our app template does: July 2014 edition

The NPR News Apps team, before its merger with the Multimedia team to form Visuals, made an early commitment to building client-side news applications, or static sites. The team made this choice for many reasons — performance, reliability and cost among them — but such a decision meant we needed our own template to start from so that we could easily build production-ready static sites. Over the past two years, the team has iterated on our app template, our “opinionated…

Plate and Frame Heat Exchanger Cleaning Video

When a heat exchanger is continuously used, it will gradually lose the ability to transfer heat as the fouling and scaling develops on the surface of the heating material. When this occur, any heat exchanger will become inefficient and needs cleaning. When a heat exchanger is clean, it needs to be stopped. Hence, that’s why there is a need to have a back up heat exchanger in a particular section of the plant. Otherwise, the plant will either run with…

Registering for Undergraduate Research tips

ChBE UGrads @ GaTech: Registering for Undergraduate Research tips Registering for Undergraduate Research tips Are you planning to do research in Spring 2014?  You must complete an Undergraduate Research Permit Request form (found in the CHBE office) first.  There is one form for Research for Academic Credit and another form for Research for Pay–please choose the correct form. Complete the form including how many credit hours for which you will register–rule of thumb is one credit hour=3 hours in the…

ChBE UGrads @ GaTech: The GREEN Program

The GREEN Program is a short-term experience which combines hands-on education, adventure, service learning, cultural immersion and global networking to create an unparalleled learning experience in Iceland & Costa Rica. This program becomes a launchpad for the future innovative leaders of tomorrow. Upon completion of the GREEN program you will receive:* Experiential Education visiting several renewable energy facilities* Service Learning through community service projects in impoverished areas* Adventures such as surfing, glacier & jungle hiking or tectonic plate snorkeling* Cultural…

OXE Tutoring for ChBE 2100 hours

We are happy to announce that OXE ChBE 2100 tutoring is back! Tutoring will be every Tuesday from 6-7pm and Thursday from 7-8pm in Ford EST L1175. The tutoring sessions will consist of time to see various examples worked and to go over homework questions. If you have any questions please contact us at oxegeorgiatech@gmail.com If you would like to get involved with OXE or help with tutoring fill out the following form https://docs.google.com/forms/d/1s2qVa11R11n-PJkQ2Z9cRqYuzmA0M3losWPddrEuOOo/viewform or send an email to oxegeorgiatech@gmail.com…

ChBE UGrads @ GaTech: Variable Hour Courses/Research

So, you are planning to do research this semester, and you have turned in your signed approval form from your professor.  You receive the email notification that you can now register for the course. WARNING WARNING WARNING When you register for a variable hour course (i.e. research), the registration will default to 1 hour; it is your responsibility to change the hours based on the agreement you have made with your supervising professor.  Your advisor CANNOT change the hours for…