Authors:

At the present rate of progress, it is almost impossible to imagine any technical feat that cannot be achieved - if it can be achieved at all - within the next few hundred years.

"Scientists and writers pay tribute to Arthur C Clarke" by Sarah Knapton, www.theguardian.com. March 19, 2008.
At the present rate of progress, it is almost impossible to imagine any technical feat that cannot be achieved - if it can be achieved at all - within the next few hundred years.