In July, we asked readers to pick today’s most profound questions of science. The results, tabulated here, show that while the questions are scientific, the process of identifying them is anything but.
A pioneer inn the field of complexity theory and creator of the software program Mathematica, Steven Wolfram now claims his secret, after-hours computer experiments will reinvent the field of physics. His colleagues think he just might pull it off.
The sky will soon fill with low-orbiting satellites providing communications links to every point on earth. We should press these fleets into double duty as solar energy collectors that relay uninterrupted beams of nonpolluting electrical power to earth.