In this episode from the Rapalje Show we will do another test with helium.
We’re going to do an experiment to find out what helium does with your voice, a flute or bagpipes!
Continue reading “Video: What does helium do with your voice, a flute or bagpipes? – Rapalje Show #34” →
This episode is all about balloons and a flying experiment with a tin-whistle: how many helium balloons will it take to get an carbon fibre tin-whistle in the air?
Continue reading “Video: How many helium balloons does it take to get an tin-whistle in the air? – Rapalje Show #33” →