Here you go Myron, I know teachers aren´t as happy with stuff like this
as engineers

but you might like it anyway;
http://www.cookingforengineers.com/
Here´s the timer to gp with it!
http://www.dinnertimer.com/Features.aspx
Not only an excellent time waster, ( and with the timer you know how
much you´ve wasted), but you can (usually!) eat the results.
TL
MC