What Is The Difference Between Single-mode and Multi-mode Fiber?

I recently wrote about the use of fiber optic cable for physical intrusion detection. In that post, I mentioned single- and multi-mode fiber. Here, I’d like to discuss the two types in more detail. This is a bit of a technical overview, so if you are looking for deep details or a non-technical explanation, this […]
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Playing Cards at Work: Planning Poker Estimating

Poor estimating is one of the key reasons so many projects run over budget and behind schedule. There are many reasons for poor estimating practices. For example project teams aren’t allowed the time to investigate the upcoming work or senior management imposes infeasible deadlines. But one overriding problem is that project teams have a lack […]
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Defining the Data Puzzle: Data Science vs. Big Data vs. Data Analytics & More

I, like many others, am constantly frustrated by the sensationalist use of terminology in data science. Twitter user @xaprb neatly summed up my own feelings when he tweeted When you’re fundraising, it’s AI [Artificial Intelligence]. When you’re hiring, it’s ML [Machine Learning]. When you’re implementing, it’s linear regression. When you’re debugging, it’s printf(). As someone […]
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How Are Fiber Optic Cables Used For (Physical) Intrusion Detection?

Many of us have fiber optic cable that delivers Internet access to our homes or offices. But optical fiber cable can be used for more than high-speed data transfer. I’m not talking about artwork or illumination, but rather an important security application: physical intrusion detection. Optical fiber types In order to understand how this works, […]
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Management in an Agile world

Agile was introduced to the world in 2001 after 17 men had met in Utah and devised the Agile Manifesto (agilemanifesto.org).  It was created with a focus on software delivery projects and this is evident by its given title: Manifesto for Agile Software Development.  However, in the intervening years, Agile has grown into something that […]
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