Here's why:

* Electromagnetic Spectrum: The electromagnetic spectrum encompasses all types of light, from the lowest energy radio waves to the highest energy gamma rays.

* Energy and Frequency: The energy of a photon is directly proportional to its frequency. Higher frequency photons have higher energy.

* Gamma Ray Frequency: Gamma rays have the highest frequencies (and therefore the highest energies) within the electromagnetic spectrum.

So, gamma rays carry the most energy among all types of light.