"Nanograss"
Here.
What's really amazing about technology and innovation is that the coolest things are things that nobody ever saw coming. How many people in 1970 would have predicted that in thirty years, even school kids would have their own wireless phones?
The "low friction" aspect of this concept alone could be revolutionary. If you are familiar with shipping, something that reduces the fuel consumption of a freighter is money in the bank. And aircraft?