Before we were scared…

I wrote this poem in 1998. I think it still applies 18 years later. Before we were scared the streets were our own we'd wonder the town and call it our home; anyone we would...

Physics/Chemistry of Espresso Machines: Part 1

Here’s an activity based on observing espresso machines in action. Watch the following video showing the milk steaming container (with a short sidetrack to the espresso pot). What do you notice about the milk as...