Not so good. And that's because ... flows through it causing it to emit heat and light. They are used in some types of bulb and electrical heaters. Insulators - Do not allow electrical and thermal ...

And if a material is not stiff, then it is usually good at insulating against heat. "But there are instances where you'd want ...

This requires using materials that conduct heat away efficiently but are also electrical insulators. However, such materials are notoriously difficult to find because good thermal conductors tend ...