[rdtsc]

Someone mentioned already that trains do that, but that would require a heating element, maybe a fan, and of course the chance of melting things, or catching stuff on fire if not designed properly.

[wlesieutre]

No shortage of air to move over the heatsink since you're only using the brakes if you're moving, so you shouldn't need a fan.

But there's definitely a fire risk if you're not careful. And you'd have people burning themselves when they pick up the board.