WHAT DO MICROCHIPS DO? HOW ARE MICROCHIPS MADE? WHAT IS BINARY CODE? LOGIC GATESFIND OUT MOREA microchip is an electronic device built as a single unit from many miniature components—mainly…
WHAT IS THE DIFFERENCE BETWEEN A MIXTURE AND A COMPOUND? DO SOLIDS, LIQUIDS, AND GASES MIX? WHY IS IT EASIER TO MIX THAN TO SEPARATE? SOLUTIONDIFFUSIONFIND OUT MOREA mixture is a jumble of…
WHAT IS ACCELERATION? HOW IS SPEED MEASURED? FRICTIONFIND OUT MOREFrom molecules in this sheet of paper, to planets in orbits, the objects around us are in constant motion. The simplest motion is…
WHAT IS A NANOMACHINE? WHAT IS SELF-ASSEMBLY? ARE THERE ANY DANGERS ASSOCIATED WITH NANOTECHNOLOGY? CARBON COMPUTERFIND OUT MOREA nanometer is one billionth of a meter. This is about a million…
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…
