It is an alien place for me. Most of the locals here don't talk to us and there is a communication problem. And there is always fear of an attack.

But yoga is helping a lot, at the end of exercise you are a relaxed person.

It's definitely worth showing that a simple toy submarine can be made into a very smart fish.

This is the kind of bio-inspired technologies and systems of the future where self-directed and self-correcting swarms of robots can be assigned to do any task that a human cannot or would rather not do.

It is analogous to students within the lab, where each group of students is given a task that must be carried out. There cannot be any conflicts in their collective thinking.

We need to develop such technologies that will not only help in NASA's planetary exploration but also here on Earth where revolutionary technology platforms are needed to preserve freedom in our society.