Brownian motion is a phenomenon where fine particles suspended in a liquid or similar medium continue to move irregularly. It ...

A fluid is a substance that has the property of flowing. Water and air are not single, large masses. They are made of ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Vortices may conjure a mental image of whirlpools and tornadoes—spinning bodies of water and air—but they can also exist on much smaller scales. In a new study published in Science, researchers from ...

Paul Halpern’s The Great Atom Debate tells how physicists Ernst Mach and Ludwig Boltzmann battled over atoms, atomic theory, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) There are times when nature acts like a florist. Nature takes tiny building blocks ...

A team of researchers at Stanford University has developed a way to conduct the famous double-slit experiment at the molecular level. In their paper published in the journal Science, the group ...

A molecule is a group of atoms bonded together. Molecules make up nearly everything around you – your skin, your chair, even your food. They vary in size, but are extremely small. You can't see an ...

Researchers from the University of Chicago have reported a reaction to replace carbon with nitrogen in types of molecules ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...