Visiting Prague

Over Easter, I took a short trip to Prague with parts of the family. It is a fascinating place – full of tourists and tourist businesses, but still feeling informal and homey. We tried to climb as many towers as we possibly could and visited a ton of sights in a few intense days.

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What’s in a Kilowatt Hour?

The current price spikes for electricity in Europe has driven a new interest in saving energy, and part of doing that is to understand just how much energy different things use. I realized while I knew that modern LED lights are magically efficient, just how much electricity is used by other machines? No idea! So, I set out to find some examples the utility you get from a one kilowatt hour of electricity.

Updated in November 2022 with additional data.

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Travel Tip: Tokyo Trains

I am just back from my first ever trip to Tokyo, and it was a very interesting experience. I am very impressed by the Tokyo train system, and I cannot understand why some foreigners seem to avoid it and use taxis instead. All stations have signs in English (at least all that I visited in Tokyo), and the system is mostly very reliable and predictable. There are some things that I would have like to know before I came there, however, which were not entirely obvious.
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