Home again, Home again, Jiggity-jig

As I mentioned in my last post, I was off to San Francisco last week for a big trade show. It's amazing how an empty hall can get transformed into a vibrant trade show over a couple of days. We started with this on Tuesday:

And ended with this by Wednesday afternoon:

While I was there, we got a visit from someone well known in the science education world.

 

 

Does he look familiar? He stops by every year to see what's new.