My days usually vary a lot. A few things are a bit repetitive, but generally I don’t really have a daily routine – my schedule changes a lot from day to day depending on what I’m doing. Which is one of the things I love about being a scientist!
It depends. Sometimes I have to do repetative things, but usually every day is the different. One of the things that is good about using computers, is that you can program them to do repetative things for you.
You can have repetitive days when an experiment is not working and you have to repeat it several times, but it’s never too repetitive. When you are testing a hypothesis, you usually need different kind of experiments to demonstrate that hypothesis. There are so many ways (and you can always invent new ones) to demonstrate your hypothesis, that I don’t think you could ever get to a point that you do everyday the same thing