Links: Late July 2013

Here are a few recent articles that are worth your time.


  • Two articles to whet the appetite for upcoming astronomy: the approach Pluto, and the galaxy’s lunchtime.
  • You’ve seen other superconductor levitation track videos, but this one has a twist. Also, it’s comprehensible.
  • Humans evolving resistance to cholera.
  • Clearing up confusion about mass in relativity.




  • For childhood nostalgia, I watched a bunch of Inspector Gadget episodes on Youtube. Here’s my report on Google Plus.

I gave $10 to this crowdfunding project (now finished) to inspire students in Kenya with a portable planetarium.

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