Quark lark
I was having a look at the OCC forum and a post by Sonia Castro caught my eye, a quark building game. You don't build quarks of course, they are fundamental, you build baryons and mesons. I haven't tried...
Sinusoidal rainbow
A nice slinky wave over the fjord. I wonder what the world record for the highest harmonic ever achieved in a slinky by hand is. If your students achieve a high number send me a photo, it will make my...
Sonometer recital(+ Shah)
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Lab Salsa and Gender Feedback
We have many different theme weeks at RCN and this week was no exception, in fact we had 2 themes. Gender week and feedback week. Important not to get them confused. I made sure that I told my students...
Love at first sight
Here two Marias are acting out a strong interaction. They liken it to the attraction between two individuals with very poor eyesight. Wandering round for ages without spotting each other until almost...
How does the virtual tutor work?
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New revision aid for students
It's a year since I had the idea to create a virtual tutor for teaching how to solve physics problems but now it's ready to be tested. We had to design a whole new way to make the pages but now have an...
Thankyou thermodynamics
It's been a very mild winter but not mild enough to halve our electricity bill, that´s due to the heat pump we had installed before Christmas. Our house is way warmer but costs less. OK, the heat pump...
You nit
My physics teacher was a Grimsby town supported, his name was Mr Cheetham. He wore a tweed jacket with elbow patches and was obsessed with units. If we got the units wrong on our homework he'd write "You...
Networking
The question looks quite straightforward A 1000 kg car travels up a 15° Hill at a constant speed of 80 kmh-1. Calculate the power of the engine (ignore resistive forces). But when broken down into a network...