HS-PS2-1
Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.
- Physics
Raindrops break the speed limit
Raindrops shouldn't be able fall faster than what is known as their terminal velocity. But no one told the rain. Researchers have found droplets breaking that speed limit.
- 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
Baseball: From pitch to hits
Radar or cameras track the path of virtually every baseball in major league stadiums.
- Space
Wanted: Garbage collectors in space
Scientists say we should clean up the cosmos now to avoid crashes in the future.
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