Mgbe ịchọrọ iwere egwuregwu gị gaa n'ọkwa ọzọ, ịkwesịrị ijikọ ihe nkesa olu dị ike sitere na Light Speed. Ọ na-enye ngwọta nnabata olu zuru oke nke otu gị kwesịrị iji weghara nzikọrịta ozi ya n'ọkwa ọzọ.
Dabere na sọftụwia olu ịchọrọ, LightSpeed ...