Very cool, though I don't like the misuse of technical terms just to sound more important. It's not actually fully 5-dimensional... each 'dimension' has only 2 or 3 states. The first 2 dimensions are limited by the size of your media. The third dimension is based on your laser focal plane resolution (think 'depth perception' in a way) and is currently limited to two layers in optical discs. The there's the color (in this example, 3 colors) and polarization (here, 2 orientations). So it's 12 times more dense than current mainstream technology, with the added benefit of a tighter placement of data on in the plane.
The disruptive technology here is really the use of nanoparticle gold instead of etched polystyrene, and the fact that there is the polarization element. Unfortunately these points are kind of glossed over and lost in the fancy media mumbo-jumbo.
Tracking the search queries for things like 'flu symptoms' helps the CDC (and other health organizations) to keep track of the growth and movement of disease through the population, as many more people will search online before actually going to their doctors. Protecting people's 'alleged' privacy over preventing pandemics is ridiculous. What are people trying to get away with that is more important than stopping the spread of disease?
There's some problems with that concept based on how fuel cells currently work. The hydrogen feeding into the fuel cells needs to be very dry and pure, necessitating ultrapure water. Furthermore, the hydrogen would need to still be stored on the vehicle.
Storage on the vehicle is actually not that big of a problem. Hydrogen is explosive, but people forget that gasoline is also extremely explosive... and yet we drive around sloshing tanks with very few issues (unlike the movies where the slightest fender-bender results in a fireball).
The fuel cells are the hard part. The cheap ones are fickle, with narrow active temperatures and intolerance for contaminants. The most efficient ones run at very high temperatures, are heavy, and involve nasty chemicals... very useful for sealed stationary applications, not so for cars.
The disruptive technology here is really the use of nanoparticle gold instead of etched polystyrene, and the fact that there is the polarization element. Unfortunately these points are kind of glossed over and lost in the fancy media mumbo-jumbo.