Spyke
BigDictionreply
lemmy.world

I’d rather switch my phone to Kelvin. 0-100F perfectly captures the human experience of temperature.

-5

I prefer 0C as its freezing, and 10 is spring morning, 20 is room temp, 30 is warm summer, 40 is very hot summer, 50 a town in BC burnt down in the summer.

2
lemmy.ca

Apparently you can use the Fibonacci sequence to estimate the conversation pretty accurately.

Eg: 3mi is 5km, 5mi is 8km, 8mi is 13km, etc.

15
0opsreply
piefed.zip

I usually just remember that 100km is about 60mph and scale from there

10

Yeah, that or the 1.6 thing (100mi is about 160km). Then just estimate from there.

7

The Fibonacci sequence tends to grow at the Golden ratio (approx 1.618) while the actual conversion is ~1.609 so it does usually work well.

In fact any Fibonacci-like sequence with different starting numbers eventually will work, after it gets past the initial crop of bad conversations, as such sequences have growth rates than tend toward the golden ratio as they grow long enough.

For example starting from 2, 9 instead of 1, 1:

2, 9, 11, 20, 31, 51, 82

20 mi ~= 32 km
31 mi ~= 50 km
51 mi ~= 82 km

8

I don’t think I have ever seen a speedometer that could be switched like that. I’ve seen old digital ones that could be switched. But not one with a needle that didn’t just have both MPH and KPH on the dial marks.

12

I was watching the movie 3 Iron. The guy steps on a scale and it says he is 65 kg. I start yelling at the movie because that guy is clearly 85 kg. He gets off the scale, takes it apart, puts it back together and gets back on it. 85 kg.

That was the moment I read I had completely mastered metric weights.

5

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Kilometers count | Spyke