Yep, science marches on, like it always has.
No, this is a great leap backwards. One of the greatest advances we made was going to solid-state electronics, but nano-tubes aren't solid, they're hollow. They're also tubes
So now when your iPhone gets flaky, a service technician at the Apple store will shake it around and say, "Well, don't really know. I reckon one of the tubes burnt out."
(In the future we'll also talk like cowboys on Firefly.)