That's actually pretty sweet (#1). Now we just need to find a way to build those microchannels stacked at every other layer or so without building fluid juncti

That's actually pretty sweet (#1). Now we just need to find a way to build those microchannels stacked at every other layer or so without building fluid junction popping back-pressure! :-) Or maybe just plan on doubling down on photonics (your #2 suggestion); that certainly makes switching energy (and heat) go way waaay down.