I just find a bunch of journalists talking about a nameless paper that's online in the Climate Change journal. It would be nice to be able to actually RTFA.

It's not the temperature of the CPU that I think is the issue. It's the amount of energy stored in the battery. A Lithium Ion battery has an energy density that is less than an order of magnitude from that of TNT!

So, if your battery weighs two pounds, you have the potential energy of roughly a third pound of TNT -- more than enough to cause some serious damage.

I for one don't want to be killed by keyboard shrapnel!