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 ...

If we want to achieve our net-zero targets, we need to make power grids future ready with innovative, eco-friendly technology ...

The state Department of Environmental Conservation this week issued rules to dramatically limit and phase out use of hydrofluorocarbons and sulfur hexafluoride used for refrigeration and large ...

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.