This PSSC film made in 1960 is one of the finest physics films ever made. All students should see it at some point in their studies. See the article '"Frames of Reference" revisited' by Alistair Steyn ...
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The twin paradox in action!
We break down Einstein's famous twin paradox to illustrate time dilation in special relativity. Discover how acceleration, ...
Universal wonder Despite a society that told Chanda Prescod-Weinstein she didn’t look like a physicist, she still managed to fall in love with the subject as a child. (Courtesy: Shutterstock/Prazis ...
The methods of analyzing space, time and motion described in the previous several lectures are called kinematics. Galileo rightly deserves much of the credit for developing these methods. [Although ...
How do you know where anything is in space? Sure, you can say, “Oh, that star, it’s the one in the middle of the Big Dipper,” but that’s not very useful in an era of incredible telescopes peeping at ...
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