> each bit of energy expended in the search of aliens is an opportunity cost to do something real here on Earth How do you feel about other activities that don

> each bit of energy expended in the search of aliens is an opportunity cost to do something real here on Earth How do you feel about other activities that don't provide immediate, tangible relief to human suffering or environmental impact? What is your opinion of people who devote their lives to artistic, literary, musical endeavours, or who write software for social-media companies?