Dyson latest piece of hair tech is now available to buy. The brand’s new hair dryer, the Supersonic Nural, joins the illustrious likes of the Supersonic, the Corrale, the Airstrait and the Airwrap. The Nural is named after the sensors that help to deliver its heat protection. Here’s everything you need to know, including where to buy and what it costs. What is the Dyson Supersonic Nural?The Supersonic Nural follows on from the original Supersonic hair dryer, launched in 2016, and the Supersonic r, a redesign aimed at hair professionals, which was announced earlier this year. The big change fro…