19th-Century Eclipse Expeditions During the late 19th century, British and American organisations such...
Shaping Mathematical Practices of the Science of the Stars Extant manuscripts, early library catalogues, lists of loans and wills...
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...
Engineering: Archimedes of Syracuse In the 3rd century BCE, the Sicilian polymath Archimedes significantly advanced human understanding of mathematics, geometry and astronomy.
Time for a Change: Introducing irreversible time in economics An exploration of the remarkable consequences of using Boltzmann's 1870s...
Doing Business in Interstellar Space Imagine that interstellar trade is possible at speeds close to...