If you had any doubts about silicon cooling chips being the wave of the future, this should help convince you: Now there are two companies operating in that space. xMEMS has announced the XMC-2400, a competitor to the Frore Systems AirJet that was announced less than two years ago. What xMEMS is calling the xMEMS XMC-2400 µCooling chip isn’t a direct competitor to AirJet’s laptop processor coolers, though. For now, it’s aimed at smartphones and tablets, as well as SSDs. Nevertheless, that puts it on a collision course with Frore’s AirJet Mini Slim and its future roadmap. Meanwhile, xMEMS says …