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Learn about the enlightening world of optics, where light bends to help us see the sights! This book features a... Read More >>
Did you know that Earth is a big magnet? Compasses use small magnets that can sense the Earth's magnetic field.... Read More >>
Did you know that there are three main kinds of magnets? Permanent magnets, temporary magnets, and electromagnets... Read More >>
Levers are one of the oldest machines used by humans. The first computer had thousands of levers. Learn more in... Read More >>
The ancient Greek scientist Archimedes invented the compound pulley. Today, cranes use pulleys to lift heavy loads.... Read More >>
Did you know that sound is made when something vibrates? A special... Read More >>
Quantum physics is the science of minute particles smaller than a nanometer (a billionth of a meter). This entertaining... Read More >>
The Big Bang theory describes the very beginnings of the universe, when it was infinitesimally small and infinitely... Read More >>
Even the most reluctant readers will be fascinated to read about how twin astronauts Scott and Mark Kelly are a... Read More >>
There's so much more to heat than hot and cold! How it moves, keeps us warm in the winter, and helps us cook our... Read More >>