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User: quadrantviewer

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  1. The Italian Jobs?

  2. Re:This is ok on Foreign Students Have Begun To Shun the United States (axios.com) · · Score: 1

    Foreign students should do the extra effort of studying and working on their countries. The US just steals the best minds from other countries.

    I think you're partially seeing the effect of this having happened already. I studied in the US as a foreign student (twice), and now encourage the students I teach to do the same. However, the advantages of them doing so aren't as clear any more. The US is still an intellectual powerhouse, but educational institutions in many other countries (particularly China) are growing in prestige. To go to a top level university it isn't absolutely necessary to go the US or UK any more. People in other countries have been putting the effort into their own institutions, and it's starting to pay off.

  3. Surely it would have been easier to check if he was an engineer by forcing him to try to talk to a girl?

  4. Why are the SI units relegated to the brackets? We're nerds, we can handle it.

  5. Does this qualify as misleading?: Facebook Terms, Section 9.3 - "You understand that we may not always identify paid services and communications as such"

  6. Re:So in 10-20 years time... on SpaceX Files FCC Application For Internet Access Network With 4,425 Satellites (geekwire.com) · · Score: 5, Interesting

    The proposal’s technical attachment does contain a reasonable de-orbiting plan for the satellites, involving reducing the perigee to around 300 km which would result in a fairly rapid re-entry. The problem is that guidelines about time to removal (including the remarkably arbitrary 25 year recommendation) are just that: guidelines. There is no real international agreement about this either. Satellite manufacturers currently do little more than pay lip service to debris mitigation, and will use the cheapest, untested debris removal technology they can, with little expectation that it will actually work. Beyond an altitude of 600-800 km (depending on solar activity levels etc.) solar radiation pressure overtakes atmospheric drag as the dominant force acting on a satellite. SRP generates tiny forces which tend not to be applied in a way likely to accelerate deorbiting. The satellites as described in this article are likely to have a ballistic coefficient which will leave them in orbit for hundreds, if not thousands of years in the very likely case that their end-of-life manoeuvre fails. There just isn’t an incentive for Space-X to make it reliable.