From power plants to car engines, from houses to laptops, pretty much everything we do and use disperses a lot of energy as heat.
Unfortunately, we have nearly no way of channeling it.
According to Professor Joseph Heremans, thermal scientist at Ohio State University, "all you can do is collect it with a conductive material. But you cannot control it: once the material's in place, that's it."
So, ultimately, most of the heat dissipates and is lost forever.
But if one could control the flow of...