Category Archives: Just for Fun

Students Are Not Customers

The latest trend among college administrators is to say we need to be treating our students like customers. The idea is that educators need to improve “customer service” in order to give students a better educational experience. This model doesn’t … Continue reading

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Mystery Streak During Venus Transit

My colleague, Alan Scott, went out with a telescope yesterday to view the transit of Venus across the Sun. He caught a mysterious streak which appears to be passing near the Sun. ¬†This is an awesome (and serendipitous) video. ¬†Great … Continue reading

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Candle Burning Underwater

I can’t claim credit for this video, but my friend Matt caught this on high-speed and I think it is pretty incredible. Candle Burning Underwater from Matt Kuchta on Vimeo. The amazing thing is that the flame separates from the … Continue reading

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How Schlieren Imaging Works

If you’ve ever seen the wavering air above a hot road, or the heat shimmer over a hot kettle you’re already half-way to making a Schlieren image. In physics you very rarely ever directly measure the thing you are interested … Continue reading

Posted in Just for Fun, Learning Physics | Tagged | 6 Comments

Cool Video of the Day

I was playing around with the high speed camera dropping a ball into water, looking for cavitation. I noticed that sometimes the ball would enter the water without any air bubbles and other times the the ball would generate a … Continue reading

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Fluid Flow Around a Sphere

Matt Kuchta and I have been working on several projects involving our sparkly new high speed camera. One thing we are looking at is dropping objects into fluids and looking at the fluid dynamics involved. Here is an interesting video … Continue reading

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Schlieren Imaging

I’ve been playing around with a Schlieren setup lately and have a few videos to show for my effort. I plan on writing a series of posts explaining how Schlieren imaging works and describing how you can put a simple … Continue reading

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