A little bicycle history…
I started the meeting with a notice/wonder on some images from the history of the bicycle. Here are the images, with some of the things the group noticed and wondered, followed by some comments from me.
Pedaling a Bicycle
Bicycles are everywhere. Most of us know how to ride them. Many ride a few times a week. But have you thought about how the gears of a bike work? It’s stranger than you might think.
