Rob’s Megaphone

Simple stir stick prevents superheated explosion

by Dr. Jerry D. Wilson,
Emeritus Professor of Physics, Lander University

Question: I recently read a story about a boy being burned while trying to boil water in a cup in a microwave oven. When removed, the heated water in the cup was not boiling, but suddenly “blew up” into his [...]

Moon “phased” by changing positions
 

by Dr. Jerry D. Wilson,
Emeritus Professor of Physics, Lander University

A couple of questions, one technical and the other better-rounded.
Question: The moon goes through phases – new, first-quarter, full and third- (or last) quarter. Yet, when we see a first- or third-quarter moon, the face of the moon we see is one-half [...]