Microtiter plate readers are often used for measuring optical density in liquid media, and this is what we were planning to do. However, they are general purpose, programmable instruments, and there’s no rule that says you have to use them this way. It occurred to me that all of our problems stemmed from the difficulties …

Here is a conundrum: Suppose you want to measure growth rates of bacterial cultures in an aerobic environment, on LB, in 96-well plate format. So, you buy some plates from your favorite supplier, dispense some LB into the wells with a multichannel pipetter, inoculate from whatever your source is, and pop it into your plate …