Grade Levels: Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade,
Synopsis: Space solar power expert, John Mankins, explains the equation behind the physics of wireless power transmission.
Running Time: 02:59 minutes