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Comment Re: Intel Common Core i7 (Score 2) 239

And even if you try to justify with significant digits, treating anything up to 14.99 as "equal" to 10 (relative error 50%?!) while the original numbers had relative errors of less than 20% shows a staggering lack of comprehension. These people should not be allowed to teach. One significant digit for 10 is way less precise than one significant digit on 5 or 8, use some common sense for crying out loud.

Comment Re:Overstated or misrepresented? (Score 1) 403

Exactly right. Top Gear once had a race between a Prius and a BMW M3. The Prius had to drive around the track as fast as it possibly could, and the BMW just had to keep up (which obviously took little or no effort). As you might expect, fuel consumption for the Prius was a lot higher than for the BMW.

Fuel economy figures are measured with very small accellerations. In every day driving, we tend to accelerate a bit more. For a big engine, this requires little or no extra effort from the car, and fuel consumption is only a little more. But for a small engine, even moderate accelerations consume a lot more fuel since it brings the engine a lot closer to its maximum power. Nothing unexpected here.

Comment Re:Can someone clarify the state of BitCoin? (Score 1) 134

O, yes, it's easy enough. You buy some $5 item on eBay using PayPal in BTC. Then you download the most recent copy of the blockchain, go through the transactions to figure out exactly which of your bitcoins was used and how much those particular bitcoins were worth when you acquired them (either by buying them with USD, or being paid in BTC by somebody else). Then you calculate the capital gains tax to add to your tax report. Simply do this for every transaction you make. Easy, it's just a simple habit to get used to, I don't see what the big fuss is about.

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