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People do use hydrogen, but most balloons still use helium because it does provide a slight safety advantage when launching. (It's also sometimes an insurance r
by russss 15y ago
People do use hydrogen, but most balloons still use helium because it does provide a slight safety advantage when launching. (It's also sometimes an insurance requirement.)
I expect to see an increase in the number of hydrogen-filled balloons as helium prices rise in the next few years.
- malandrew 15y agoThat makes sense. Helium seems to be too precious a natural resource to be using in applications where hydrogen can be used safely.