March 13th 2025

Cosmic Rays

We welcome back Dr. Steve Barrett from the University of Liverpool for another of his mind-blowing and fascinating talks.

High-energy charged particles are continually raining down on the Earth. Where do they come from and how do they gain so much energy?

This talk includes a demonstration of a cloud chamber that allows cosmic rays to be seen

UDATE Following his excellent talk, Steve has been in touch say he’d be happy to take questions by email. He’s also offered more information:

If anyone missed grabbing a handout of the slides of my talk, they can be downloaded here:
https://www.liverpool.ac.uk/~sdb/Talks/Cosmic-Rays-HLCO.pdf
and a video recording of the talk is here:
https://youtu.be/P6wmB0Ae9UU

For anyone interested in building a cloud chamber for themselves this is the article in the journal ‘Physics Education’ that started it all:
https://iopscience.iop.org/article/10.1088/1361-6552/ad506c