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The guy was being sarcastic and talking about the picture (the only thing you CAN photoshop)
They _are_ making it go uphill, though. It`s going down a small decline and then up a larger step, for a net gain in height. The article says it can climb up 12 degree slopes.
I am skeptical of its use as a coolant, though. The only way for it to pump the coolant up is if the coolant is resting on a layer of vaporized coolant gas, and heat transfer through a gas is much, much slower than through direct liquid contact (the gas layer will insulate the coolant itself from the thing they are trying to cool).
Die, Photoshop Police!