think found gmt greenwich mean time widely used th century known find latitude sea using stars longitude always problem  british government offered  pound prize technology could accurately determine ones longitudinal position sea  john harrison designed chronometer a portable timekeeping device set time greenwich england submitted government eventually prize carrying chronometer reading greenwich time them sailors could use local time compared greenwich time accurately determine longitude thanks coming ted talk yall
think found gmt greenwich mean time widely used th century known find latitude sea using stars longitude always problem british government offered pound prize technology could accurately determine ones longitudinal position sea john harrison designed chronometer a portable timekeeping device set time greenwich england submitted government eventually prize carrying chronometer reading greenwich time them sailors could use local time compared greenwich time accurately determine longitude thanks coming ted talk yall
greenwich medio tiempo ampliamente utilizado del siglo III conocido encontrar latitud mar usando estrellas longitud siempre problema gobierno británico ofrecido tecnología de premio libra podría determinar con precisión una posición longitudinal mar john harrison diseñado cronómetro un dispositivo de relojería portátil set tiempo Greenwich Inglaterra presentó el gobierno eventualmente premio portar cronómetro lectura verdewich tiempo que los marineros podrían utilizar hora local comparado verdewich tiempo determinar con precisión longitud gracias venir ted talk yall