Engineer creates the world's first real-life retractable 'Star Wars' lightsaber

Daily Mail - Science & tech 

A popular YouTuber has created the first functioning lightsaber, using propane gas burning at around 4,000 C to create a retractable plasma beam. Canadian James Hobson, known as'the Hacksmith', has a following of ten million subscribers and works on turning popular science fiction items into reality. Inspired by a love of Star Wars, he has previously made various lightsabers, but wanted to produce'the world's first, retractable, plasma-based' version. Canadian James Hobson, known as'the Hacksmith', has a following of ten million subscribers and works on turning popular science fiction items into a reality. He claims to have built'the world's first, retractable, plasma-based lightsaber' For this, the internet-famous engineers used liquid petroleum gas, a fuel tucked away in many sheds and often used to power barbecues.