Contents 1
Rivers in the Sea 1
Waves 3
Tides 6
The Space Shuttle 9
The Star Wars of the Future 12
Thomas Alva Edison 16
How Do Atoms Combine? 24
The Biggest Animal 26
Beginning of the Earth 29
How Was Oil Made? 32
Mathematics of the Space Age 35
Pollution-free Power Plant 37
Albert Einstein(Continued) 39