
Physics
Scientists Say: Force
When an object experiences a force, its change in motion — or acceleration — depends on its mass.
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When an object experiences a force, its change in motion — or acceleration — depends on its mass.
An electron beam is the newest tool being developed to remove sticky and damaging lunar dust from surfaces.
Buoyancy’s upward force keeps objects afloat even in unusual conditions.
Researchers have designed a lab tool that moves liquids from one place to another by mimicking a plant called a liverwort.
How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.
Albert Einstein had predicted that large catastrophes, like colliding black holes, should produce tiny ripples in the fabric of space. In 2016, scientists reported finally detecting them
One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.