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• Does Ukrainian, unmanned "Vampire drones" violate Carl Sagan's/Issac Asimovs ,Three laws of robotics?

  Asked by RedDeerGuy1 | 9 responses

• Do Neil deGrasse Tyson and Stephen Hawking and others differ about the black hole?

  Asked by flo | 7 responses

• How much did our Kardashev score go up this year (2016)?

  Asked by RedDeerGuy1 | 5 responses

• When will we advance our Kardashev scale?

  Asked by talljasperman | 12 responses

• Do you remember the original Cosmos series from 1980? Did you know there will be a vintage marathon this weekend?

  Asked by Buttonstc from iPhone | 10 responses

• How much did our Kardashev score go up this year (2013)?

  Asked by talljasperman | 6 responses

• What defines a civilization?

  Asked by talljasperman | 3 responses

• What do you make of this 4-minute video?

  Asked by ETpro | 13 responses

• What are different ways of measuring Earths current civilization?

  Asked by SpideySense | 8 responses

• Sand vs stars (& how is this quantifiable)?

  Asked by everephebe | 10 responses

• How often did Carl Sagan smoke marijuana?

  Asked by Qingu | 20 responses

• Is there anything more beautiful than the cosmos?

  Asked by Parrappa | 27 responses