But there's still a lot of cool stuff left. Hyundai, no stranger to outrageous CES offerings, had what looked like a 30-foot submarine (see above). It was all-white, suggesting Moby Dick.

There are things you can do to protect your device from ... “Even background processes can generate heat,” say experts at British electronics chain Curry’s. “A full shutdown helps it cool faster.” ...

Shooting a focused jet of matter’s fourth state can offer some incredibly interesting thermodynamic results, the researchers say.