Links for 2009-12-08

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News: Students as Lemmings - Inside Higher Ed "The researchers find "clear evidence that peer driven students on average perform worse than the ability driven in terms of both average and final grade," though they acknowledge that the "effect is small in magnitude" -- about two-tenths of a grade…
The dark side of animation "To test their hypothesis, the team recorded two versions of a PowerPoint lecture. The presentations differed only in the presence of animation to incrementally present information. They then showed students either the animated or non-animated lecture and then tested…
$6/Kg to orbit -- KarlSchroeder.com "The fact is, there is only one problem worth speaking about in space development, and that is the problem of cost-to-orbit. It currently costs around $10,000/kg to launch anything at all. That price will never come down as long as chemical rockets are the…
Skipping class? NAU high-tech system will know "Students who are thinking about sleeping late and skipping that morning class may have a new incentive to roll out of bed at one Arizona university this fall. Northern Arizona University will install an electronic system that detects when each…