WHAT IS THE TRAVELING SALESMAN PROBLEM? FIND OUT MOREA network is formed when people, places, or things are linked together. A rail network links towns and cities. A computer network links…
HOW ARE NEW MATERIALS MADE? WHAT PROPERTIES SHOULD NEW MATERIALS HAVE? WHY IS CARBON FIBER SO STRONG? SMART MATERIALSFIND OUT MOREMaterials scientists combine atoms in new ways to produce new…
WHAT ARE FUSION AND FISSION? HOW IS A NUCLEAR REACTION CONTROLLED? RADIOACTIVITYFIND OUT MOREThe energy that makes the stars shine and produces the heat inside a nuclear reactor is nuclear energy.…
WHAT DO PHYSICISTS STUDY? WHAT ARE PHYSICAL PROPERTIES? HOW DO PHYSICISTS WORK? BIOGRAPHY: SIR ISAAC NEWTON English, 1642–1727 EQUATIONS APPLIED PHYSICS FIND OUT MORE
Physics is the…
WHAT IS A QUANTUM? WHY IS QUANTUM THEORY SO STRANGE? HOW DO SCIENTISTS USE QUANTUM THEORY? BIOGRAPHY: MAX PLANCK German, 1858–1947 QUANTUM LEAPFIND OUT MOREQuantum theory grew from the ideas of Max…
WHAT CAN ROBOTS DO? HOW DO ROBOTS SENSE? ARTIFICIAL INTELLIGENCEFIND OUT MORERobots are automatic machines. Some robots can perform mechanical and repetitive jobs faster, more accurately, and more…
WHAT DO SCIENTISTS DO? WHAT IS SCIENTIFIC METHOD? WHY DO SCIENTISTS PERFORM EXPERIMENTS? FIND OUT MOREWhat makes the stars shine? Why is the sky blue? How did life start on Earth? Science explores…
HOW CAN SOLIDS BE SEPARATED? HOW DOES DISTILLATION WORK? HOW ARE GASES SEPARATED? FILTRATIONFIND OUT MOREHow do we extract salt from seawater? Methods for separating a mixture depend on differences…
HOW ARE SOUNDS MADE? HOW DO MUSICAL INSTRUMENTS MAKE MUSIC? WHY ARE SOUNDS DIFFERENT? WHAT IS RESONANCE? SOUND FREQUENCY SOUND WAVESDIGITAL SOUNDFIND OUT MOREOur world is full of sounds. Sound is…
COMMUNICATIONS SATELLITE HOW DOES A TELEPHONE WORK? HOW DOES A RADIO WORK? HOW DOES A TELEVISION WORK? HOW DOES A CELL PHONE WORK? BIOGRAPHY: GUGLIELMO MARCONI Italian, 1874-1937 ELECTROMAGNETIC…
