Archive for the 'Tidbits' Category

Survey of my students

Thursday, November 8th, 2012

Yesterday in class, we talked about science, math, and God. It was also the day after a presidential election. I did an informal, anonymous poll in my class and here were the results of the two questions “Who did you vote for” and “How old is the earth?”   I have about 340 students, and [...]

Calculating Tips in Restaurants in America

Sunday, February 12th, 2012

City taxes and restaurant tips. My rule of thumb: $3 for every $10 on the menu.

Best Lunar Eclipse

Saturday, December 10th, 2011

This morning I got up early to see a total lunar eclipse, and it was the best one I’ve ever seen. When I first heard about it last night, I was initially disappointed that I live in a part of the world where the moon would set in the middle of the eclipse. Here’s a [...]

Wrong Address by 10,000 kilometers

Saturday, September 17th, 2011

Yesterday we got this letter delivered to our house: We live on Sycamore Lane in Buena Park, California, this was addressed to Sycamore Drive in Sunnynook, Auckland, New Zealand. I looked it up: that’s off by 6517 miles (10,489 kilometers). I wonder what is the world record distance for incorrectly delivered mail? 6517 miles is [...]