Comet lander awakes from long hibernation

European space experts said on Friday they had successfully reawakened a fridge-sized robot designed to make the first-ever spacecraft landing on a comet.

'Eraser' law will let California kids scrub online past

Teenagers' nightmarish propensity to post underage party hijinks, flesh-flashing and nasty commentary online have found a dream come true in California, which will soon let them erase their tracks.

Twitter analysis reveals six distinct network types

People tweet about anything and everything, but a new Twitter analysis coauthored by University of Maryland computer scientist Ben Shneiderman shows much of this conversation falls into six distinct patterns or networks.

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