Author Archive

Happy B-day

Tuesday, May 12th, 2009

In the longstanding family tradition, I present Mary's Birtday cake.

Venus Occultation

Wednesday, April 22nd, 2009

Winter must be over, because I got my first astrophotography session of the season. Early this morning, Venus passed behind the moon. The animation below shows 10 minutes of movement until Venus and the crescent moon 'touch' (called an "occultation" in geek-speak). Many more photos in my astrophotography gallery.

Discoveries in toddler cognition #742

Sunday, April 19th, 2009

An informal scientific study has found that at one year and 344 days the human brain cannot yet deduce that a neighbor kid swinging will suddenly reappear in the same space he was a few moments ago regardless of whether your head has now assumed that space. In other astonishing news, ...