# 1.02.01 (25795)
11-4-2008: see #817, battery spinner is not visible on Mac
10-9-2008: use new PhetApplicationConfig constructor
10-16-2007: Fixed text box to correctly revert after error case
10-16-2007: Model updates while typing in text-box (instead of waiting for user to press Enter)

New in 1.00 (3-30-2006) <posted on main site>

New in 0.05 (3-21-2006)
Bugfix: improper behavior for conducting electrons in lower band in photoconductor.

New in 0.04 (3-21-2006)
Battery is copper-headed.
Photons look like comets, from other simulations.
Moved voltage control closer to battery
Relabeled battery control.
Added flashlight for all 3 materials.

New in 0.03 <overwritten with 0.04> (3-17-2006)
Fixed a bug in image loading (on some machines)

New in 0.02 (3-16-2006)
Added an error message when typing an invalid voltage.
Added version info in the title bar of the window.
In Photoconductor mode with light on, the lower band behaves as a conductor.