Our computers double in capability on time scales of only a few years. It's hardly outrageous to believe that we will successfully develop thinking machines within a handful of decades, or at most a century or two. If that happens, these artificial sentients will quickly leave us behind.
From Seth Shostak
In a movie, it's often important to have aliens whose gestures and facial expressions can be 'read' by humans. And in the days before sophisticated computer animation, most extraterrestrial bit players were guys in rubber suits. Such practical considerations forced Hollywood's hand when it came to aliens - they look like us for good reasons.
From Seth Shostak
39 perspectives
23 perspectives
22 perspectives
16 perspectives
16 perspectives
4 perspectives
2 perspectives
2 perspectives
2 perspectives
1 perspectives