I built a cloud chamber as well and in mine I am using 4.3 kV (which is an overkill as my positive mesh is 4 inches above the active zone) and it works really well!

A cloud chamber image of the first positron. Source: Wikimedia Neutrons, Positrons, and Perseverance. ... Radiation kills cancer, but it also causes cancer.

Here’s a really neat, classic experiment that’s always fun to see. When you place uranium inside a cloud chamber, you can see it decay and emit bits of radiation.

In 1911, Wilson became the first person to photograph the lines made by a particle moving through his cloud chamber. He was eventually awarded the Nobel Prize for the invention in 1927.

The cloud chamber detects secondary cosmic rays and radioactive decays by making alcohol clouds along the particle paths through the chamber. Particles ionize alcohol molecules as they pass through ...

How to make a particle detector cloud chamber at home If your aim is to detect any old particles that happen to be passing ...

He describes the nature of alpha, beta and gamma radiation, and observes the traces of alpha particles in a cloud chamber. He also explains the concept of half-life and carbon dating. Teacher Notes ...