In the Suchter Rutherford Theatre there is a very long black board used by many teaching staff. You can significantly improve the readability of the chalk board by using a set of lights as shown in this picture, however they are not easy to find. Hopefully this blog post will make that a bit easier!
On the AV control panel there is a little light symbol as shown in the picture (marked 1). Pressing this reveals the lighting control setting for the room. On the right had side there in a button for the chalk board light (marked 2). Give it a try and you will really notice the difference.