5 Live In Short - Scientist: 'We have the physics to build a lightsaber' - 大象传媒 Sounds
5 Live In Short - Scientist: 'We have the physics to build a lightsaber' - 大象传媒 Sounds
Scientist: 'We have the physics to build a lightsaber'
Only a matter of time before we build a real lightsaber says scientist Star Wars fan.