Cosmic rays

The transcript discusses the historical context of the term 'ray' in radiation research, explaining that cosmic rays are individual particles, not beams. When these particles hit the atmosphere, they create secondary showers. Most cosmic ray particles are protons and electrons.

What is the origin of the term 'ray' in the context of radiation research?

Explain the difference between cosmic rays and directed streams of ionizing radiation.

How do cosmic ray particles arrive in our atmosphere?

What happens when a single cosmic ray particle hits the atmosphere?

What types of particles are most commonly associated with cosmic rays?