Can I store summer sunshine to heat my house in winter?
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Can I store summer sunshine to heat my house in winter?

After the long, warm summer came the cold, the morning temperature suddenly dropped to around freezing point. I’ve had plenty of sunshine for months, and now I’m suddenly really missing it. Today, my attention is focused on heating energy and as an engineer, my mind is already thinking about whether I could use some thermal…

Now I believe in the power of homeopathy…

Now I believe in the power of homeopathy…

Homeopathy is a great topic for dividing society along faith lines. One camp claims that it is very effective and proves with countless personal experiences that the preparations are useful against certain symptoms and diseases. The other camp denies on scientific grounds that the memory of a vagabond active ingredient molecule in a diluent could…

How many square millimeters is your car’s fuel consumption?
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How many square millimeters is your car’s fuel consumption?

It’s a very strange question, I know, but I can explain it: My car has an average of 6.5 l/100km fuel consumption. When I typed this into my DockCalc program, the program immediately converted it to square meters (this is the strength of the software, that it understands the units of measure and helps to…

Will the German power grid collapse if everyone drives electric cars?
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Will the German power grid collapse if everyone drives electric cars?

Electric cars – albeit more slowly than initially advocated by politicians – are slowly catching on in Germany. Although only a small percentage of the country’s car fleet is purely electric, more than a fifth of new cars registered in 2022 already have a purely electric powertrain. Many people are happy about this, since at…