Episode Title:
Science Wars
Episode Description:
Senku is revealed to have disguised a Rochelle salt sound transmitting crystal and a copper wire antenna as an earring, allowing him to send instructions from his wireless telephone into Kohaku's ear, though she can't send replies. As only Kirisame has been seen using the weapon, Senku plans to steal it when Kirisame throws it into the air to activate it. For that, he intends to recreate the radio-controlled drone by combining a bamboo frame with four plastic propellers and electromagnetically powered motors controlled by radio signals...
