05.02.05
Micron-sized refrigeration device
This is quite impressive, at least to me. Who’da thought that they’d keep coming up with uses for that there quantum mechanics knowledge? 
EETimes.com - Micron-sized refrigeration device has no moving parts
I think the thing that was most impressive is the idea of using it for cryogenic cooling in sensor applications. Some day your blender and your cell phone will have a little 100mK chamber in it, and you won’t even realize how fantastically cool that is.