"Dark Energy" and "Dark Matter"
in Friedmann Universes

Understanding modern puzzles
with physics from the 1920's


William Q. Sumner

January 16, 2012
St. Petersburg, Russia

Here is the actual presentation at Дом Учёных (House of Scientists) as a pdf and as a PowerPoint ppt. The final draft as a pdf and as a PowerPoint ppt contains additional written information that was presented orally in St. Petersburg.