Can You See?

Bob: Can you see farther during the day or at night?
Joe: During the day of course.
Bob: Wrong! During the day you can only see the sun but at night you can see the stars.

Metric

This last weekend I was reminded at the pace we are converting to metric. I was on I-75 in Ohio when I saw a sign that said: All signs metric next 20 miles

An Academic Problem

In a high school gym class, all the girls are lined up against one wall, and all the boys against the opposite wall. Every ten seconds, they walk toward each other exactly half the remaining distance between them. A mathematician, a physicist, and an engineer are asked, "When will the girls and boys meet?" Mathematician: "Never." Physicist: "In an infinite amount of time." Engineer: "Well... in about two minutes, they'll be close enough for all practical purposes."