We don't call them "laptops" since they overheat and explode. Check these out, and don't tell me that some of these sources are dubious! The photos are great. :-) "Exploding" Dell Laptop Destroys Truck, Imperils Outsdoorsmen; Dell laptop explodes at Japanese conference; Another PowerBook violently explodes.

As far as we know, a commercial jetliner has never been brought down by a notebok PC, but one can never be too careful.