Table of Contents
The Big Picture The smallest objects to the Universe
Announcements
Timeline
Timeline - Modern Physics
Objects in our universe Enormous range of sizes
How do we know the sizes of atoms? What they are made of?
Ratios of different forces Enormous range of magnitudes
Example of enormous range of sizes
Ratios of sizes
Quantum Effects Crucial for Small Objects
Quantum Mechanics: Particles Act Like Waves!
Search for the smallest particles
Important Quantum Effects in Our World I Lasers
Important Quantum Effects in Our World I Lasers
Important Quantum Effects in Our World
Important Quantum Effects in Our World
Important Quantum Effects in Our World
Demonstration
Important Quantum Effects in Our World
Quantum Effects in Our World
“Seeing” Quantum Effects in Our World
“Seeing” Quantum Effects in Our World
Observation of atoms, electron waves with Scanning Tunneling Microscope
Observation of atoms, electron waves with Scanning Tunneling Microscope
How do we know the universe is expanding? What galaxies are made of?
Summary
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Author: R. M. Martin
Email: rmartin@uiuc.edu
Home Page: http://online.physics.uiuc.edu/courses/phys150/fall03/index.html
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