The Scale of Things 108m 107m 1000km(106m) 100km(105m) 1m(100m) 10m(101m 100m(102m 1km(103m 10km(104m) From Prof.Zhou Zhen's lecture108 m 107 m 1000 km (106 m) 100 km (105 m) 10 km (10 1 km (10 4 m) 100 m (10 3 m) 10 m (10 2 m) 1 m (10 1 m) 0 m) From Prof. Zhou Zhen’s lecture The Scale of Things