This is the first time I've heard about this robot. It's interesting. I'm looking forward to exploring this idea.
I don't have an example of new technologies, but it's certainly something we're going to study.
To reduce dredging needs, we will need a long-term plan for our structures. For example, we could examine the orientation and length of our breakwaters or consider other protective measures when configuring our harbours. This could help reduce the need for dredging.