Here's why:
* It's named after a specific person: X-rays were discovered by Wilhelm Conrad Röntgen in 1895.
* It's capitalized: We write "X-rays" to distinguish them from other types of radiation.
Therefore, you don't need to change anything.
Here's why:
* It's named after a specific person: X-rays were discovered by Wilhelm Conrad Röntgen in 1895.
* It's capitalized: We write "X-rays" to distinguish them from other types of radiation.
Therefore, you don't need to change anything.