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Using water ice and salt combination I have been able to get to minus 21C$-21^\circ\rm C$. I have seen a demo of doing a cloud chamber with water ice online somewhere. I'm looking again today. 10/19/2018
Using water ice and salt combination I have been able to get to minus 21C. I have seen a demo of doing a cloud chamber with water ice online somewhere. I'm looking again today. 10/19/2018
Using water ice and salt combination I have been able to get to $-21^\circ\rm C$. I have seen a demo of doing a cloud chamber with water ice online somewhere. I'm looking again today.
Using water ice and salt combination I have been able to get to minus 21C. I have seen a demo of doing a cloud chamber with water ice online somewhere. I'm looking again today. 10/19/2018