
Dot Physics


How Energy-Generating Sidewalks Work | WIRED

What Is the Magnetic Constant and Why Does It Matter?
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What Is the Electric Constant and Why Should You Care?

AC or DC: Which Is Better?

Einstein Showed That Time Is Relative. But … Why Is It?
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Space Elevators Could Totally Work—If Earth Days Were Much Shorter

Are Those Viral ‘Cooling Blankets’ for Real?
