How to Build a Real Lightsaber

<p>Wrrraaohhh! Is it possible to make a REAL lightsaber that can glow, cut, and feel solid? Jorge duels with four physicists (or is it physi-Siths?) to find out.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>