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Rhett Allain
Contributor
Rhett Allain is an associate professor of physics at Southeastern Louisiana University. He enjoys teaching and talking about physics. Sometimes he takes things apart and can't put them back together.
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Dot Physics
What Is the Magnetic Constant, and Why Does It Matter?
Aug 24, 2025 6:30 AM
Dot Physics
What Is the Electric Constant and Why Should You Care?
Aug 17, 2025 7:00 AM
Dot Physics
AC or DC: Which Is Better?
Aug 1, 2025 8:30 AM
Dot Physics
Einstein Showed That Time Is Relative. But … Why Is It?
Jul 18, 2025 7:00 AM
Dot Physics
Space Elevators Could Totally Work—if Earth Days Were Much Shorter
Jun 27, 2025 9:00 AM
Dot Physics
Are Those Viral ‘Cooling Blankets’ for Real?
Jun 13, 2025 7:00 AM
Dot Physics
Is Using a Stair Machine the Same as Climbing Stairs?
May 30, 2025 9:00 AM
Dot Physics
The Phony Physics of Star Wars Are a Blast
May 4, 2025 6:00 AM
Dot Physics
This Famous Physics Experiment Shows Why the Government Should Support ‘Useless’ Science
Apr 11, 2025 9:00 AM
Dot Physics
Torpedo Bats and the Physics of the Sweet Spot
Apr 4, 2025 7:00 AM
Can’t Wrap Your Head Around Pi? Here’s a Cool Visual to Help
Mar 14, 2025 7:00 AM
Dot Physics
Is It Electric or Magnetic? Depends on Where You Stand
Mar 7, 2025 9:00 AM
Dot Physics
Did a Rock Hit Your Windshield, or Did Your Windshield Hit a Rock?
Feb 21, 2025 9:00 AM
Dot Physics
5 Physics Equations Everyone Should Know
Jan 24, 2025 8:00 AM
Dot Physics
Can You Get Rich Using a Raspberry Pi to Mine Cryptocurrency?
Jan 17, 2025 9:00 AM
Dot Physics
How Does a Movie Projector Show the Color Black?
Dec 27, 2024 9:00 AM
Dot Physics
Why Can’t You Switch Seats in an Empty Airplane?
Dec 20, 2024 12:17 PM
Dot Physics
The Physics of the Macy’s Thanksgiving Day Parade Balloons
Nov 27, 2024 11:00 AM
Dot Physics
Why Is It So Tricky to Show the Sun, Earth, and Moon in a Diagram?
Nov 22, 2024 9:00 AM
Dot Physics
How to Design a Real-Life Hot Wheels Loop
Nov 15, 2024 6:30 AM
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