dot physics
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Tech
Physics smashing spacecraft into an asteroid
There are a few things to note. First, after the collision, the DART is moving backwards, because it bounces. Since…
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Tech
Is There Optimum Driving Speed Saves Gas and Money?
I do not think anyone who really likes to fill up the gas tank. It feels like you’re just standing…
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Tech
Physics of N95 Face Mask
You have seen them a million times. You are probably wearing one right now. But do you know how they…
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Tech
What happens if a space elevator fails?
So what if instead of launching a chemical rocket to the top, your object could go up on a cable…
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Physics of the James Webb . Space Telescope
There’s actually another good reason to use infrared light for JWST: It’s very difficult to get an unobstructed view of…
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Physics of the 10 billion volt electromagnet by Wile E. Coyote
I love physical analysis of science fiction, and so I would argue that the cartoon Merrie Melodies “Compression Hare“It takes…
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Messy world. Idealization Makes Physics Simple
Sometimes the universe too complicated to analyze. Damn, if you take a tennis ball and throw it across the room,…
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Why Buzz Lightyear’s rocket launch looks better than it actually is
This graph says that the vertical position of the rocket increases by one (almost) constant from one frame to the…
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Tech
Will Nathan Drake Make This Leap In The Unaddicted Intro?
The time it takes Drake to move vertically is exactly the same time it takes Drake to move horizontally. This…
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