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Comment Pot (Score 1) 158

Somebody please re-run these experiments specifically for marijuana. Somehow, pot-smokers have universally come to the conclusion that smoking burning cannabis leaves (without a filter) is not at all dangerous to them in any of the ways that smoking burning tobacco leaves (through a filter) is. I guarantee that the free radicals in cannabis smoke are every bit as dangerous as the free radicals in tobacco smoke.

Comment People will die. (Score 1) 80

I respect geohotz, but I don't think a 26-year old kid completely grasps the ramifications of building and shipping a technology whose goal is arguably to "kill fewer people". Even if he does kill fewer people, people are going to die using this or any autonomous driving platform. Is he ready to deal with the fallout from that? Also, we won't know until millions or hundreds of millions of miles have been driven how the technology compares in terms of safety to human drivers. It sounds like he's using low-end electronics, so chances are he's just banking on deep learning solving all the driving problems. This is a very, very dangerous approach to take, when deep learning has a strong tendency to exhibit pathological failure cases (see "adversarial nets"), and when it's usually impossible to fully understand, explain, justify or characterize the strengths and weaknesses of a network trained on a given task.

Submission + - Princeton Researchers Announce Open Source 25-core Chip (princeton.edu) 1

An anonymous reader writes: Researchers at Princeton announced at Hot Chips this week their 25-core Piton Processor (http://www.princeton.edu/main/news/archive/S47/19/67G69/?section=topstories). The processor was designed specifically to increase data center efficiency with novel architecture features enabling over 8,000 of these processors to be connected together to build a system with over 200,000 cores. Fabricated on IBM’s 32nm process and with over 460 Million transistors, Piton is one of the largest and most complex academic processors every built. The Princeton team has opened their design up and released all of the chip source code, tests, and infrastructure as open source in the OpenPiton (http://www.openpiton.org) project enabling others to build scalable manycore processors with potentially thousands of cores.

Comment Artificial value (Score 1) 26

he was mystified by the reluctance of some portfolio companies to avoid a stock market flotation

Maybe some people have wised up to the fact that market valuations are completely artificial -- they are numbers picked out of the air, and being listed on the stock market places you at the mercy of mass psychology, media spin, gross subjectivity, market volatility, and trading algorithms that solely exist to milk profits from the market.

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