This is real. Hero Tech has built a retractable light saber that is using no visual effects.
You cannot fight with it but it looks like the movie light saber.
The two led light strips are attached to a retractable magicians cane. The internal setup has a motor to rotate the blade and the lights.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
Known for identifying cutting edge technologies, he is currently a Co-Founder of a startup and fundraiser for high potential early-stage companies. He is the Head of Research for Allocations for deep technology investments and an Angel Investor at Space Angels.
A frequent speaker at corporations, he has been a TEDx speaker, a Singularity University speaker and guest at numerous interviews for radio and podcasts. He is open to public speaking and advising engagements.
I think I could make one from a balloon, but it would have to a very strong material
Elastic but with fibers added to make it stop expand when it reach a certain size.
Inflate with air or water to such high pressure that it won’t bend when you hit something.
Well, it’s a real prop, anyway. It is pretty cool as such.