My kitchen has 7 recessed light bulbs in the ceiling. Since early 2000, I have been keeping track of how long the bulbs last. Here’s a graph of the results to date, showing bulb life in days. Click on the graph for a larger image. You can see that Phillips incandescent bulbs are the least […]
Entries from August 2006
Light Bulbs
August 29th, 2006 · 13 Comments
Tags: Computers, Tech & Science
Back to California
August 24th, 2006 · 3 Comments
Gisele flew to California today, to spend a few days with her brother’s family. On Sunday Devon and I are driving over with a Saturn full of his stuff. Then Gisele and I will fly home Sunday evening. Derek will probably be home for the weekend too, but he’s going to be on his own […]
Tags: Family Updates
Moving in to U of A
August 16th, 2006 · 9 Comments
We took Derek down to Tucson today with a van full of his stuff to get him moved into his dorm. He came back home with us this evening. We will make another trip Friday or Saturday with the rest of his stuff and he will stay. Devon is still here for another week, then […]
Tags: Family Updates
Theseus and the Minotaur
August 8th, 2006 · 10 Comments
A very challenging but intriguing set of puzzles based on the Greek myth of Theseus stuck in the maze with the Minotaur. There are other interesting puzzles here, but I seem to spend the most time on T and the M. I solved the full Minotaur set over a year ago, but keep coming back […]
Tags: Computers, Tech & Science
Another illusion
August 5th, 2006 · 4 Comments
Which face is angry and which calm? Move several feet away from the computer and look again.