MS-PS2-2
Plan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object.
- Physics
Explainer: How lasers make ‘optical molasses’
Light can bump an atom. Bump it from several different directions at once and even a fast-moving atom will instantly freeze its motion — and chill it to a temperature of nearly absolute zero.
- Physics
Building a mirror with light
Scientists proved that lasers can be used to harness materials into a reflective surface. Some scientists ask: Can a space mirror be far away?
- Physics
Baseball: From pitch to hits
Radar or cameras track the path of virtually every baseball in major league stadiums.
