The science of quantum computing

Related: Technology & science

1. Headlines
   1. NASA unveils Grand Challenge to hunt asteroids

      NASA's latest "Grand Challenge" is a biggie: Can you think of better ways to find potentially threatening near-Earth asteroids and do something about those threats?

   2. Facebook may add videos to Instagram, rumors suggest
   3. Last telegraph shuts down in July but some say "Don't. Stop."
   4. Oculus Rift raises $16 million in preparation for consumer launch
   5. Google asks court for OK to publish request data
   6. Yahoo discloses government data requests
   7. 3-D printing set to be this generation's 'Moon Shot' moment
2. Multimedia
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      Zuckerberg dons suit, meets S. Korean leader