Each year on 1st May (Maifeiertag) the main road out of Oberursel is closed off for a cycle race which this year was re-named as the “Frankfurt-Eschborn Cityloop”. This means that for anything up to 2 hours we are unable to get out of our road. Even the U-Bahn stops running!
Juniors
The answer, of course, is to either get out early or to stay and watch the race – and the drivers arguing with the police that they need to go somewhere.
U23
My daughter and I opted for the 2nd option this year. To find out more, listen to the podcast:
(Press the “play” button to listen to the podcast)
It’s really a logical step if you think about it. There are petrol-driven generators and diesel-driven generators, so why not make one that uses bio-ethanol?
That’s what Germany’s Frauenhofer Institute have done according to this article, although they are referring to the item in question as a “fuel cell”.
They hold up to 300 litres of bio-ethanol and can generate 250 Watts of electricity. One idea for their use is in developing countries, eg. in hospitals. But perhaps there will also be a demand for this sort of generator in industrial countries as well.
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