Thermal Radiation

Thermal Radiation

Thermal radiation is a type of energy transfer that occurs through electromagnetic waves, especially infrared radiation. Unlike conduction and convection, thermal radiation does not need a medium and can even travel through the vacuum of space. This is how the Sun heats the Ear...

Someone is warming their hands over a bonfire. They don’t have to touch the fire to feel its warmth. Then how does the heat travel from the fire to their hands?

This happens through thermal radiation, the transfer of thermal energy through invisible waves.

These waves are called electromagnetic waves, which do not need a medium like ...