t starts with a low rumble, then an explosion and a deafening roar. A pyroclastic flow bursts from the volcano and hurtles towards us at a frightening speed. Showers of ash appear to pummel the space around us – well technically, its a pumice lapilli unique to Mount Vesuvius – and, for a few minutes, visitors to the National Museum of Australia are in Pompeii 1,946 years ago. Immersive experiences, including increasingly sophisticated virtual reality technology, have gone from gimmick to...
