That man can think anything we can, and love, hope, dream as much as we can. But he can’t reach out and no one can reach in!
– Dr. Leonard McCoy
Most of the planet’s terrestrial surfaces are visually accessible through video cameras and satellite imagery, if not physically within reach. Even the approaches to Mount Everest are now littered with human debris. One can drive to Timbuktu, which for centuries was synonymous with inaccessibility.
– Alan Huffman