Be a Scanning Probe Microscope This lesson explores how these microscopes gauge the surface of materials at the nano level. Students work in teams to learn...
When a dead star starts to collapse (what astronomers call a “supernova explosion”), it sucks in all the matter around it into a teeny tiny...
Matter is anything that takes up space. The smallest unit of matter, in which matter can no longer be divided, is called an “atom.” While...
