The Jipp curve is like a chart that shows how a scientist's productivity changes over time. When they first start working, their productivity goes up really quickly because they're learning and trying new things. But after a while, they start to hit a plateau, where they're not really improving as much anymore. Then, as they get older and more experienced, their productivity starts to go up again because they know more and can work more efficiently.
So, it's like climbing up a mountain. At first, you're climbing really fast because you're excited and full of energy. But as you get higher up the mountain, it gets harder and harder to move forward. You might need to take a rest or find a new path. But if you keep going and learn how to climb better, you can reach the top of the mountain and enjoy the beautiful view.
In short, the Jipp curve shows that scientists go through ups and downs in their productivity, but if they keep working hard and developing their skills, they can achieve great things.