Public Key Cryptography: Secrecy in Public For centuries massive intellectual effort has gone into methods of...
The Journey from Black-Hole Singularities to a Cyclic Cosmology Sir Roger Penrose gives the annual Sir Thomas Gresham lecture on The Journey from Black-Hole Singularities to a Cyclic Cosmology.
Victorian Era Astronomy: On Land and in the Skies In the late 19th-century, astronomical research could be practical, using...
Doing Business in Interstellar Space Imagine that interstellar trade is possible at speeds close to...
The Secret Mathematicians From composers to painters, writers to choreographers, the mathematician’s palette...