Reminded me of a "cool science trick" I saw in a kids' book from the 1920s: Cold fire you can hold in your bare hand Is holding in your hands a 1:1 mixture of

Reminded me of a "cool science trick" I saw in a kids' book from the 1920s: Cold fire you can hold in your bare hand Is holding in your hands a 1:1 mixture of carbon tetrachloride + carbon disulfide that you light on fire