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Comment Re:I've always struggled reading analogue clocks (Score 1) 127

Calculation are done with a different system, a slower system, than is normal time recognition on an analog clock.

FWIW, I have no trouble reading an analog clock, but I strongly dislike using polar coordinates, even while I recognize that in some situations they are valuable. They aren't the same skill.

Comment Re: This is a parody, right? (Score 1) 127

Even if it's explicitly taught, if it isn't used it will be forgotten...unless the teaching is continued for a long time.

E,g,, at one point I could read German with fair fluency. (Not good, but fair. It never became enjoyable.) These days, I could barely say "That is the oldest car around here.". And I couldn't spell it.

Comment Re:Interesting point coming from a person who (Score 1) 64

He's only a small part of the problem. A very small part.

Yes, he benefits from the problem, but he didn't create it. It's been increasingly obvious and significant year by year for decades. The only solutions I've seen are "chain of provenance" solutions, and those are only practical for extremely limited uses. Remember the movies about things like giant squids tearing down the Golden Gate bridge, or giant tarantulas roaming around the country? Those are parts of the problem. And unless you want to get rid of "special effects" and even cosmetics, the problem still exists. And cosmetics goes back to before Babylon.

So the real question is "How should this be dealt with?". The obvious claim is "teach critical thinking", and that would help a lot, but it's both not practical and not going to be seriously attempted. (And it probably wouldn't work anyway.)

Comment Re: When the electric road tax? (Score 1) 165

I learned in engineering long ago that road damage was proportional to the 4th power of vehicle weight. This is not a complete picture; much road damage is environmental due to temperature fluctuations, etc. But is is mostly accurate in terms of road damage due to the flexing of the roads due to vehicle weight.
The myth of electric vehicles being twice the weight may be a result of confusing the cost due to weight. A 19% increase in weight being a 100% increase in road damage.
Or maybe it's just the all too common, FUD.

Comment Re:How will they cool it? (Score 1) 43

That's a real problem for all spaced based nuclear reactors (fusion included). It's a difficult problem, but not one that's intrinsically insoluble. And it really should be solved.

(My design goal here is building a large mobile habitat, but not within the next few decades. Ideally something that could be converted into a SLOW interstellar vehicle... say averaging less than 10 km/s different from the local drift. And subsisting by savaging off that drift. So it needs to be a pretty closed ecology.)

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