A toggle switch was broken on the Eagle moon lander during the Apollo XI mission by Armstrong's backpack. The steel pen on exhibit here was used to close the circuit allowing the engines to fire. อ่านเพิ่มเติม
A toggle switch was broken on the Eagle moon lander during the Apollo XI mission by Armstrong's backpack. The steel pen on exhibit here was used to close the circuit allowing the engines to fire. อ่านเพิ่มเติม