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Warming the thin air

::: nBlog ::: Today we got a bit empirical with my friend Juha Sipilä from Helsinki Energy. Armed with a thermal imaging device, we went paparazzi to the surroundings of some known data centers in the Helsinki metropolitan area. The tour included some parkour too, as some of the cooling towers were landscaped nicely. Although we […]

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TKK Telecom Forum

::: nBlog ::: Today I was lecturing at the Aalto University about Monitoring the Internet.. of Things. It was a heartwarming experience as the audience of some 200 students and industry people was clearly interested and also generated a lively discussion during the second half of the lecture.  What was intriguing though was that although […]

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Warming Helsinki with Data Centers

::: nBlog ::: Our favorite IT provider Academica is now constructing the world’s first Data Center with a full heat recovery system, in close cooperation with Helsinki Energy. In other words, warmth from the servers and other equipment is not exhausted away but transferred to Helsinki Energy’s district heating network. According to our initial calculations, once […]

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Peer and Boss Management

::: nBlog ::: I’ve spent quite some time reading different books about management and leadership, to the point that I sometimes feel that the arsenal of guidelines and rules they assert mostly cancel each other out, leaving me puzzled and with tired eyes. Although over the years I’ve become a fan of for example Patrick Lencioni […]

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Natural measurements

::: nBlog ::: On Friday we added electricity measurements to the Finnish Association of Nature Conservation, a prominent organization that has been on the right track about the Climate Change for decades. It is interesting to see that a three floor office with district heating can use up to 14 kilowatts of electricity in peaks. This would […]

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Programming in a Cloud

::: nBlog ::: Computing power in personal computers, phones and PDAs has increased logarithmically during the last 20 years. Today’s mobile phones easily have 800MHz processors and several gigabytes of memory, which make them far more powerful than the supercomputers of the late 80s. Thanks to nanotechnology and other advances in silicon processing, the trend seems […]

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Your local network

::: nBlog ::: Many of our customers have recently started to pay more attention to their local area networks, or LANs. This is good news, as our statistics show that in more than half of network problems the source is actually the in-building LAN or the campus network, not the wide-area network (WAN) which has been the […]

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About Smart Grids and Smart People

::: nBlog ::: Everyone is talking about the Smart Grid. It will prevent global warming, solve all future energy needs and make our lives much better. But what is a Smart Grid? Well, that’s the problem.  For energy producers and distributors it is a collection of new technologies installed in their networks to ensure more […]