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Comment: Re:So... (Score 1) 441

by ceoyoyo (#44048933) Attached to: Altering Text In eBooks To Track Pirates

If I buy a book, crack the DRM, and send it to you, no publisher is going to have any idea I did it, watermark or not.

If I'm even a moderately serious pirate, I'm not going to balk at buying (or acquiring) an extra copy to do a diff with.

The only situation this addresses is the casual user who breaks the DRM and then uploads his copy for widespread distribution. That scenario seems to be very rare. If it wasn't, there'd be lots of copies of everything already available anyway.

Comment: Re: The summary (Score 1) 42

You could say the same thing about motion. Yet we think about things moving in a classical way all the time.

The classical idea of spin works very well so long as you're talking about a reasonable number of particles. If you're not, you have to keep in mind that spin is quantized. In magnetic resonance imaging, for example, unless you're doing something obscure, classical spin is just fine, and it's what everyone uses. It's certainly good enough for a popular science article.

Comment: Re: The summary (Score 1) 42

Imagine rotating a globe around the N-S axis AND the E-W axis at the same time, but only half as fast on the E-W axis. After a 360 degree rotation around the N-S axis you'll be looking at the same hemisphere you started with, but it will be upside down. Only after a 720 degree rotation around the N-S axis will it look the same as when you started.

Comment: Re: The summary (Score 5, Informative) 42

What do you mean by "physically spin"? They have angular momentum and behave in a way that is almost always consistent with them physically spinning. The classical description of nuclear spin is as useful as the Newtonian description of motion.

If you want to be pedantic, go all the way. There aren't really atoms, particularly not in a Bose-Einstein condensate, just excitations of particular fields.

Comment: Re:This isn't a mystery (Score 1) 59

by ceoyoyo (#43946107) Attached to: Atomic Bombs Help Solve Brain Mystery

The brain culls more connections than it makes during childhood and adolescence. But long range axons do increase in calibre, which takes up space and accounts for some of the growth of the brain. It probably accounts for some of the behavioural development as well because bigger axons carry signals long distances more effectively (even more so when they're myelinated).

Very little is known about the functional development, as it relates to the physical development, but we know quite a bit about both behavioural development AND physical development of the brain. Both of them you can, you know, watch.

Storing memories is adequately explained by reconfiguring existing connections. That doesn't mean that's all that's going on, but there doesn't have to be something else happening. The poster I replied to said that obviously the brain is growing new neurons because it develops after birth and we're able to learn. Neither of those things need to involve new neurons.

Comment: Re:This bs is top priority? for crying out loud. (Score 1) 154

by ceoyoyo (#43936173) Attached to: EU Countries Closer To Mandatory Minimum Sentence Cap For Hacking

"Prices are the same for food and clothing are the same across euroland."

Unless things have changed drastically in the last couple of years, that's not even close to true. A few euros that buys you lunch and a beer in rural Greece or Spain doesn't even get you a bottle of water in downtown Berlin.

Comment: Re:This isn't a mystery (Score 2) 59

by ceoyoyo (#43935949) Attached to: Atomic Bombs Help Solve Brain Mystery

The majority of the development of the brain after birth is myelination and growth of axons, not new neurons. In fact, neurons are drastically pruned in young children so their numbers decrease.

Storing memories can also be adequately explained by existing neurons growing new and reconfiguring existing connections among themselves.

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