most (not all, some contributions are QTVR-only due to historical reasons)
many, but depends on photographer's choice of file upload (newer event = more likely to work) and your device's capabilities. You may experience slow playback, distorted images or unexpected browser quitting if there is only limited memory/GPU power available.
As of January 1, 2005, Illinois ranked number 1 among 31 other states with nuclear capacity. The Nuclear Regulary Commission has given Exelon Generation Co. LLC a go ahead to build a second reactor at the Clinton site, the first in the nation. Data courtesy Illinois Emergency Management Agency.