Nevertheless, the ability to cool a particular neuron or cell (or cell portion -- e.g., nucleus or mitochondrion) might be hugely valuable in unraveling how these things work. At 07:29 AM 11/20/2015, Warren D Smith wrote:

Because you need like 1 blue photon per molecule, and if even a tiny fraction of those photons, like 1%, get wasted/lost, that'd be hugely inefficient.

And.. sure enough, looking at the paper they are using megawatt per cm^2 irradiance levels for their "refrigerator." My god.