This amplifies the higher frequencies in your voice. The gas sulfur hexafluoride works in the opposite way. The following is a transcript of the video. It’s a classic party trick- suck down a ...

Sulphur hexafluoride, or SF6, is widely used in the electrical industry to prevent short circuits and accidents. But leaks of the little-known gas in the UK and the rest of the EU in 2017 were the ...

EU’s greenhouse gas emissions by 7% on 2022, representing a 18% reduction compared with 2013. Over the decade to 2023, all ...

Searching online will allow you to find clips of model boats made from aluminium foil floating in a tank full of sulfur hexafluoride. This clip will be relevant for teaching KS3 and GCSE Physics.