Kreosan English on MSNOpinion

Hydrogen and methane balloons floating without helium science experiment (explosion!)

Watch a science experiment showing how balloons can float using methane and hydrogen instead of helium. See how hydrogen is ...
YouTube on MSN

How to make DIY flying balloon without helium

How To Make diy Flying Balloon Without Helium Hello and welcome to Robin's Fun Playtime. In this video, we are trying a ...