Sticky prices

Or, if you prefer a more contemporary cover (an excellent cover in it's own right):
www.youtube.com/watch?v=XRD3...

I made a Trebuchet as a physics project in high school. Getting the sling release right is more challenging than you might think.

This Tweet brought to you by the political infighting sub-plot in Monty Python's Life of Brian:

My joke about how "People who don't want to pay for transmission should just buy an old grain truck so they can pick up their own electrons from the nearest generator." just got a little less funny... and it wasn't that funny to begin with.

Oh come on, we're a shoe-in, interdisciplinary and a topic dealing with the roots of post-war western cultural iconography!